aws-sdk-appstream 0.24.0

AWS SDK for Amazon AppStream
Documentation
// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
pub fn parse_http_generic_error(
    response: &http::Response<bytes::Bytes>,
) -> Result<aws_smithy_types::Error, aws_smithy_json::deserialize::error::DeserializeError> {
    crate::json_errors::parse_generic_error(response.body(), response.headers())
}

pub(crate) fn deser_structure_crate_error_concurrent_modification_exception_json_err(
    value: &[u8],
    mut builder: crate::error::concurrent_modification_exception::Builder,
) -> Result<
    crate::error::concurrent_modification_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_invalid_parameter_combination_exception_json_err(
    value: &[u8],
    mut builder: crate::error::invalid_parameter_combination_exception::Builder,
) -> Result<
    crate::error::invalid_parameter_combination_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_limit_exceeded_exception_json_err(
    value: &[u8],
    mut builder: crate::error::limit_exceeded_exception::Builder,
) -> Result<
    crate::error::limit_exceeded_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_operation_not_permitted_exception_json_err(
    value: &[u8],
    mut builder: crate::error::operation_not_permitted_exception::Builder,
) -> Result<
    crate::error::operation_not_permitted_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_resource_not_found_exception_json_err(
    value: &[u8],
    mut builder: crate::error::resource_not_found_exception::Builder,
) -> Result<
    crate::error::resource_not_found_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_associate_application_fleet(
    value: &[u8],
    mut builder: crate::output::associate_application_fleet_output::Builder,
) -> Result<
    crate::output::associate_application_fleet_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ApplicationFleetAssociation" => {
                        builder = builder.set_application_fleet_association(
                            crate::json_deser::deser_structure_crate_model_application_fleet_association(tokens)?
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_entitlement_not_found_exception_json_err(
    value: &[u8],
    mut builder: crate::error::entitlement_not_found_exception::Builder,
) -> Result<
    crate::error::entitlement_not_found_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_incompatible_image_exception_json_err(
    value: &[u8],
    mut builder: crate::error::incompatible_image_exception::Builder,
) -> Result<
    crate::error::incompatible_image_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_invalid_account_status_exception_json_err(
    value: &[u8],
    mut builder: crate::error::invalid_account_status_exception::Builder,
) -> Result<
    crate::error::invalid_account_status_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_batch_associate_user_stack(
    value: &[u8],
    mut builder: crate::output::batch_associate_user_stack_output::Builder,
) -> Result<
    crate::output::batch_associate_user_stack_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "errors" => {
                        builder = builder.set_errors(
                            crate::json_deser::deser_list_com_amazonaws_appstream_user_stack_association_error_list(tokens)?
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_batch_disassociate_user_stack(
    value: &[u8],
    mut builder: crate::output::batch_disassociate_user_stack_output::Builder,
) -> Result<
    crate::output::batch_disassociate_user_stack_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "errors" => {
                        builder = builder.set_errors(
                            crate::json_deser::deser_list_com_amazonaws_appstream_user_stack_association_error_list(tokens)?
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_resource_already_exists_exception_json_err(
    value: &[u8],
    mut builder: crate::error::resource_already_exists_exception::Builder,
) -> Result<
    crate::error::resource_already_exists_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_resource_not_available_exception_json_err(
    value: &[u8],
    mut builder: crate::error::resource_not_available_exception::Builder,
) -> Result<
    crate::error::resource_not_available_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_copy_image(
    value: &[u8],
    mut builder: crate::output::copy_image_output::Builder,
) -> Result<
    crate::output::copy_image_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "DestinationImageName" => {
                        builder = builder.set_destination_image_name(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_create_app_block(
    value: &[u8],
    mut builder: crate::output::create_app_block_output::Builder,
) -> Result<
    crate::output::create_app_block_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "AppBlock" => {
                        builder = builder.set_app_block(
                            crate::json_deser::deser_structure_crate_model_app_block(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_create_application(
    value: &[u8],
    mut builder: crate::output::create_application_output::Builder,
) -> Result<
    crate::output::create_application_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Application" => {
                        builder = builder.set_application(
                            crate::json_deser::deser_structure_crate_model_application(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_invalid_role_exception_json_err(
    value: &[u8],
    mut builder: crate::error::invalid_role_exception::Builder,
) -> Result<
    crate::error::invalid_role_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_create_directory_config(
    value: &[u8],
    mut builder: crate::output::create_directory_config_output::Builder,
) -> Result<
    crate::output::create_directory_config_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "DirectoryConfig" => {
                        builder = builder.set_directory_config(
                            crate::json_deser::deser_structure_crate_model_directory_config(
                                tokens,
                            )?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_entitlement_already_exists_exception_json_err(
    value: &[u8],
    mut builder: crate::error::entitlement_already_exists_exception::Builder,
) -> Result<
    crate::error::entitlement_already_exists_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_create_entitlement(
    value: &[u8],
    mut builder: crate::output::create_entitlement_output::Builder,
) -> Result<
    crate::output::create_entitlement_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Entitlement" => {
                        builder = builder.set_entitlement(
                            crate::json_deser::deser_structure_crate_model_entitlement(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_request_limit_exceeded_exception_json_err(
    value: &[u8],
    mut builder: crate::error::request_limit_exceeded_exception::Builder,
) -> Result<
    crate::error::request_limit_exceeded_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_create_fleet(
    value: &[u8],
    mut builder: crate::output::create_fleet_output::Builder,
) -> Result<
    crate::output::create_fleet_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Fleet" => {
                        builder = builder.set_fleet(
                            crate::json_deser::deser_structure_crate_model_fleet(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_create_image_builder(
    value: &[u8],
    mut builder: crate::output::create_image_builder_output::Builder,
) -> Result<
    crate::output::create_image_builder_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ImageBuilder" => {
                        builder = builder.set_image_builder(
                            crate::json_deser::deser_structure_crate_model_image_builder(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_create_image_builder_streaming_url(
    value: &[u8],
    mut builder: crate::output::create_image_builder_streaming_url_output::Builder,
) -> Result<
    crate::output::create_image_builder_streaming_url_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "StreamingURL" => {
                        builder = builder.set_streaming_url(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    "Expires" => {
                        builder = builder.set_expires(
                            aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                tokens.next(),
                                aws_smithy_types::date_time::Format::EpochSeconds,
                            )?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_create_stack(
    value: &[u8],
    mut builder: crate::output::create_stack_output::Builder,
) -> Result<
    crate::output::create_stack_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Stack" => {
                        builder = builder.set_stack(
                            crate::json_deser::deser_structure_crate_model_stack(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_create_streaming_url(
    value: &[u8],
    mut builder: crate::output::create_streaming_url_output::Builder,
) -> Result<
    crate::output::create_streaming_url_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "StreamingURL" => {
                        builder = builder.set_streaming_url(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    "Expires" => {
                        builder = builder.set_expires(
                            aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                tokens.next(),
                                aws_smithy_types::date_time::Format::EpochSeconds,
                            )?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_create_updated_image(
    value: &[u8],
    mut builder: crate::output::create_updated_image_output::Builder,
) -> Result<
    crate::output::create_updated_image_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "image" => {
                        builder = builder.set_image(
                            crate::json_deser::deser_structure_crate_model_image(tokens)?,
                        );
                    }
                    "canUpdateImage" => {
                        builder = builder.set_can_update_image(
                            aws_smithy_json::deserialize::token::expect_bool_or_null(
                                tokens.next(),
                            )?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_create_usage_report_subscription(
    value: &[u8],
    mut builder: crate::output::create_usage_report_subscription_output::Builder,
) -> Result<
    crate::output::create_usage_report_subscription_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "S3BucketName" => {
                        builder = builder.set_s3_bucket_name(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    "Schedule" => {
                        builder = builder.set_schedule(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| {
                                s.to_unescaped()
                                    .map(|u| crate::model::UsageReportSchedule::from(u.as_ref()))
                            })
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_structure_crate_error_resource_in_use_exception_json_err(
    value: &[u8],
    mut builder: crate::error::resource_in_use_exception::Builder,
) -> Result<
    crate::error::resource_in_use_exception::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Message" => {
                        builder = builder.set_message(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_delete_image(
    value: &[u8],
    mut builder: crate::output::delete_image_output::Builder,
) -> Result<
    crate::output::delete_image_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Image" => {
                        builder = builder.set_image(
                            crate::json_deser::deser_structure_crate_model_image(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_delete_image_builder(
    value: &[u8],
    mut builder: crate::output::delete_image_builder_output::Builder,
) -> Result<
    crate::output::delete_image_builder_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ImageBuilder" => {
                        builder = builder.set_image_builder(
                            crate::json_deser::deser_structure_crate_model_image_builder(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_app_blocks(
    value: &[u8],
    mut builder: crate::output::describe_app_blocks_output::Builder,
) -> Result<
    crate::output::describe_app_blocks_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "AppBlocks" => {
                        builder = builder.set_app_blocks(
                            crate::json_deser::deser_list_com_amazonaws_appstream_app_blocks(
                                tokens,
                            )?,
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_application_fleet_associations(
    value: &[u8],
    mut builder: crate::output::describe_application_fleet_associations_output::Builder,
) -> Result<
    crate::output::describe_application_fleet_associations_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ApplicationFleetAssociations" => {
                        builder = builder.set_application_fleet_associations(
                            crate::json_deser::deser_list_com_amazonaws_appstream_application_fleet_association_list(tokens)?
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_applications(
    value: &[u8],
    mut builder: crate::output::describe_applications_output::Builder,
) -> Result<
    crate::output::describe_applications_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Applications" => {
                        builder = builder.set_applications(
                            crate::json_deser::deser_list_com_amazonaws_appstream_applications(
                                tokens,
                            )?,
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_directory_configs(
    value: &[u8],
    mut builder: crate::output::describe_directory_configs_output::Builder,
) -> Result<
    crate::output::describe_directory_configs_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "DirectoryConfigs" => {
                        builder = builder.set_directory_configs(
                            crate::json_deser::deser_list_com_amazonaws_appstream_directory_config_list(tokens)?
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_entitlements(
    value: &[u8],
    mut builder: crate::output::describe_entitlements_output::Builder,
) -> Result<
    crate::output::describe_entitlements_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Entitlements" => {
                        builder = builder.set_entitlements(
                            crate::json_deser::deser_list_com_amazonaws_appstream_entitlement_list(
                                tokens,
                            )?,
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_fleets(
    value: &[u8],
    mut builder: crate::output::describe_fleets_output::Builder,
) -> Result<
    crate::output::describe_fleets_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Fleets" => {
                        builder = builder.set_fleets(
                            crate::json_deser::deser_list_com_amazonaws_appstream_fleet_list(
                                tokens,
                            )?,
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_image_builders(
    value: &[u8],
    mut builder: crate::output::describe_image_builders_output::Builder,
) -> Result<
    crate::output::describe_image_builders_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ImageBuilders" => {
                        builder = builder.set_image_builders(
                            crate::json_deser::deser_list_com_amazonaws_appstream_image_builder_list(tokens)?
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_image_permissions(
    value: &[u8],
    mut builder: crate::output::describe_image_permissions_output::Builder,
) -> Result<
    crate::output::describe_image_permissions_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Name" => {
                        builder = builder.set_name(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    "SharedImagePermissionsList" => {
                        builder = builder.set_shared_image_permissions_list(
                            crate::json_deser::deser_list_com_amazonaws_appstream_shared_image_permissions_list(tokens)?
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_images(
    value: &[u8],
    mut builder: crate::output::describe_images_output::Builder,
) -> Result<
    crate::output::describe_images_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Images" => {
                        builder = builder.set_images(
                            crate::json_deser::deser_list_com_amazonaws_appstream_image_list(
                                tokens,
                            )?,
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_sessions(
    value: &[u8],
    mut builder: crate::output::describe_sessions_output::Builder,
) -> Result<
    crate::output::describe_sessions_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Sessions" => {
                        builder = builder.set_sessions(
                            crate::json_deser::deser_list_com_amazonaws_appstream_session_list(
                                tokens,
                            )?,
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_stacks(
    value: &[u8],
    mut builder: crate::output::describe_stacks_output::Builder,
) -> Result<
    crate::output::describe_stacks_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Stacks" => {
                        builder = builder.set_stacks(
                            crate::json_deser::deser_list_com_amazonaws_appstream_stack_list(
                                tokens,
                            )?,
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_usage_report_subscriptions(
    value: &[u8],
    mut builder: crate::output::describe_usage_report_subscriptions_output::Builder,
) -> Result<
    crate::output::describe_usage_report_subscriptions_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "UsageReportSubscriptions" => {
                        builder = builder.set_usage_report_subscriptions(
                            crate::json_deser::deser_list_com_amazonaws_appstream_usage_report_subscription_list(tokens)?
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_users(
    value: &[u8],
    mut builder: crate::output::describe_users_output::Builder,
) -> Result<
    crate::output::describe_users_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Users" => {
                        builder = builder.set_users(
                            crate::json_deser::deser_list_com_amazonaws_appstream_user_list(
                                tokens,
                            )?,
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_describe_user_stack_associations(
    value: &[u8],
    mut builder: crate::output::describe_user_stack_associations_output::Builder,
) -> Result<
    crate::output::describe_user_stack_associations_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "UserStackAssociations" => {
                        builder = builder.set_user_stack_associations(
                            crate::json_deser::deser_list_com_amazonaws_appstream_user_stack_association_list(tokens)?
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_list_associated_fleets(
    value: &[u8],
    mut builder: crate::output::list_associated_fleets_output::Builder,
) -> Result<
    crate::output::list_associated_fleets_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Names" => {
                        builder = builder.set_names(
                            crate::json_deser::deser_list_com_amazonaws_appstream_string_list(
                                tokens,
                            )?,
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_list_associated_stacks(
    value: &[u8],
    mut builder: crate::output::list_associated_stacks_output::Builder,
) -> Result<
    crate::output::list_associated_stacks_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Names" => {
                        builder = builder.set_names(
                            crate::json_deser::deser_list_com_amazonaws_appstream_string_list(
                                tokens,
                            )?,
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_list_entitled_applications(
    value: &[u8],
    mut builder: crate::output::list_entitled_applications_output::Builder,
) -> Result<
    crate::output::list_entitled_applications_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "EntitledApplications" => {
                        builder = builder.set_entitled_applications(
                            crate::json_deser::deser_list_com_amazonaws_appstream_entitled_application_list(tokens)?
                        );
                    }
                    "NextToken" => {
                        builder = builder.set_next_token(
                            aws_smithy_json::deserialize::token::expect_string_or_null(
                                tokens.next(),
                            )?
                            .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                            .transpose()?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_list_tags_for_resource(
    value: &[u8],
    mut builder: crate::output::list_tags_for_resource_output::Builder,
) -> Result<
    crate::output::list_tags_for_resource_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Tags" => {
                        builder = builder.set_tags(
                            crate::json_deser::deser_map_com_amazonaws_appstream_tags(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_start_image_builder(
    value: &[u8],
    mut builder: crate::output::start_image_builder_output::Builder,
) -> Result<
    crate::output::start_image_builder_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ImageBuilder" => {
                        builder = builder.set_image_builder(
                            crate::json_deser::deser_structure_crate_model_image_builder(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_stop_image_builder(
    value: &[u8],
    mut builder: crate::output::stop_image_builder_output::Builder,
) -> Result<
    crate::output::stop_image_builder_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ImageBuilder" => {
                        builder = builder.set_image_builder(
                            crate::json_deser::deser_structure_crate_model_image_builder(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_update_application(
    value: &[u8],
    mut builder: crate::output::update_application_output::Builder,
) -> Result<
    crate::output::update_application_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Application" => {
                        builder = builder.set_application(
                            crate::json_deser::deser_structure_crate_model_application(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_update_directory_config(
    value: &[u8],
    mut builder: crate::output::update_directory_config_output::Builder,
) -> Result<
    crate::output::update_directory_config_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "DirectoryConfig" => {
                        builder = builder.set_directory_config(
                            crate::json_deser::deser_structure_crate_model_directory_config(
                                tokens,
                            )?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_update_entitlement(
    value: &[u8],
    mut builder: crate::output::update_entitlement_output::Builder,
) -> Result<
    crate::output::update_entitlement_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Entitlement" => {
                        builder = builder.set_entitlement(
                            crate::json_deser::deser_structure_crate_model_entitlement(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_update_fleet(
    value: &[u8],
    mut builder: crate::output::update_fleet_output::Builder,
) -> Result<
    crate::output::update_fleet_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Fleet" => {
                        builder = builder.set_fleet(
                            crate::json_deser::deser_structure_crate_model_fleet(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn deser_operation_crate_operation_update_stack(
    value: &[u8],
    mut builder: crate::output::update_stack_output::Builder,
) -> Result<
    crate::output::update_stack_output::Builder,
    aws_smithy_json::deserialize::error::DeserializeError,
> {
    let mut tokens_owned =
        aws_smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(value))
            .peekable();
    let tokens = &mut tokens_owned;
    aws_smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Stack" => {
                        builder = builder.set_stack(
                            crate::json_deser::deser_structure_crate_model_stack(tokens)?,
                        );
                    }
                    _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            other => {
                return Err(
                    aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )),
                )
            }
        }
    }
    if tokens.next().is_some() {
        return Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "found more JSON tokens after completing parsing",
            ),
        );
    }
    Ok(builder)
}

pub(crate) fn or_empty_doc(data: &[u8]) -> &[u8] {
    if data.is_empty() {
        b"{}"
    } else {
        data
    }
}

pub(crate) fn deser_structure_crate_model_application_fleet_association<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ApplicationFleetAssociation>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::application_fleet_association::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "FleetName" => {
                                builder = builder.set_fleet_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ApplicationArn" => {
                                builder = builder.set_application_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_user_stack_association_error_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::UserStackAssociationError>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_user_stack_association_error(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_app_block<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::AppBlock>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::app_block::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Name" => {
                                builder = builder.set_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Arn" => {
                                builder = builder.set_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Description" => {
                                builder = builder.set_description(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DisplayName" => {
                                builder = builder.set_display_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SourceS3Location" => {
                                builder = builder.set_source_s3_location(
                                    crate::json_deser::deser_structure_crate_model_s3_location(
                                        tokens,
                                    )?,
                                );
                            }
                            "SetupScriptDetails" => {
                                builder = builder.set_setup_script_details(
                                    crate::json_deser::deser_structure_crate_model_script_details(
                                        tokens,
                                    )?,
                                );
                            }
                            "CreatedTime" => {
                                builder = builder.set_created_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_application<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Application>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::application::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Name" => {
                                builder = builder.set_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DisplayName" => {
                                builder = builder.set_display_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "IconURL" => {
                                builder = builder.set_icon_url(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "LaunchPath" => {
                                builder = builder.set_launch_path(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "LaunchParameters" => {
                                builder = builder.set_launch_parameters(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Enabled" => {
                                builder = builder.set_enabled(
                                    aws_smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "Metadata" => {
                                builder = builder.set_metadata(
                                    crate::json_deser::deser_map_com_amazonaws_appstream_metadata(
                                        tokens,
                                    )?,
                                );
                            }
                            "WorkingDirectory" => {
                                builder = builder.set_working_directory(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Description" => {
                                builder = builder.set_description(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Arn" => {
                                builder = builder.set_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AppBlockArn" => {
                                builder = builder.set_app_block_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "IconS3Location" => {
                                builder = builder.set_icon_s3_location(
                                    crate::json_deser::deser_structure_crate_model_s3_location(
                                        tokens,
                                    )?,
                                );
                            }
                            "Platforms" => {
                                builder = builder.set_platforms(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_platforms(tokens)?
                                );
                            }
                            "InstanceFamilies" => {
                                builder = builder.set_instance_families(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_string_list(tokens)?
                                );
                            }
                            "CreatedTime" => {
                                builder = builder.set_created_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_directory_config<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::DirectoryConfig>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::directory_config::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DirectoryName" => {
                                builder = builder.set_directory_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "OrganizationalUnitDistinguishedNames" => {
                                builder = builder.set_organizational_unit_distinguished_names(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_organizational_unit_distinguished_names_list(tokens)?
                                );
                            }
                            "ServiceAccountCredentials" => {
                                builder = builder.set_service_account_credentials(
                                    crate::json_deser::deser_structure_crate_model_service_account_credentials(tokens)?
                                );
                            }
                            "CreatedTime" => {
                                builder = builder.set_created_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "CertificateBasedAuthProperties" => {
                                builder = builder.set_certificate_based_auth_properties(
                                    crate::json_deser::deser_structure_crate_model_certificate_based_auth_properties(tokens)?
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_entitlement<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Entitlement>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::entitlement::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Name" => {
                                builder = builder.set_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "StackName" => {
                                builder = builder.set_stack_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Description" => {
                                builder = builder.set_description(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AppVisibility" => {
                                builder = builder.set_app_visibility(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::AppVisibility::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "Attributes" => {
                                builder = builder.set_attributes(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_entitlement_attribute_list(tokens)?
                                );
                            }
                            "CreatedTime" => {
                                builder = builder.set_created_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "LastModifiedTime" => {
                                builder = builder.set_last_modified_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_fleet<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Fleet>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::fleet::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Arn" => {
                                builder = builder.set_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Name" => {
                                builder = builder.set_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DisplayName" => {
                                builder = builder.set_display_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Description" => {
                                builder = builder.set_description(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ImageName" => {
                                builder = builder.set_image_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ImageArn" => {
                                builder = builder.set_image_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "InstanceType" => {
                                builder = builder.set_instance_type(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "FleetType" => {
                                builder = builder.set_fleet_type(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::FleetType::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "ComputeCapacityStatus" => {
                                builder = builder.set_compute_capacity_status(
                                    crate::json_deser::deser_structure_crate_model_compute_capacity_status(tokens)?
                                );
                            }
                            "MaxUserDurationInSeconds" => {
                                builder = builder.set_max_user_duration_in_seconds(
                                    aws_smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(i32::try_from)
                                    .transpose()?,
                                );
                            }
                            "DisconnectTimeoutInSeconds" => {
                                builder = builder.set_disconnect_timeout_in_seconds(
                                    aws_smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(i32::try_from)
                                    .transpose()?,
                                );
                            }
                            "State" => {
                                builder = builder.set_state(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::FleetState::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "VpcConfig" => {
                                builder = builder.set_vpc_config(
                                    crate::json_deser::deser_structure_crate_model_vpc_config(
                                        tokens,
                                    )?,
                                );
                            }
                            "CreatedTime" => {
                                builder = builder.set_created_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "FleetErrors" => {
                                builder = builder.set_fleet_errors(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_fleet_errors(tokens)?
                                );
                            }
                            "EnableDefaultInternetAccess" => {
                                builder = builder.set_enable_default_internet_access(
                                    aws_smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "DomainJoinInfo" => {
                                builder = builder.set_domain_join_info(
                                    crate::json_deser::deser_structure_crate_model_domain_join_info(tokens)?
                                );
                            }
                            "IdleDisconnectTimeoutInSeconds" => {
                                builder = builder.set_idle_disconnect_timeout_in_seconds(
                                    aws_smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(i32::try_from)
                                    .transpose()?,
                                );
                            }
                            "IamRoleArn" => {
                                builder = builder.set_iam_role_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "StreamView" => {
                                builder = builder.set_stream_view(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::StreamView::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "Platform" => {
                                builder = builder.set_platform(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::PlatformType::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "MaxConcurrentSessions" => {
                                builder = builder.set_max_concurrent_sessions(
                                    aws_smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(i32::try_from)
                                    .transpose()?,
                                );
                            }
                            "UsbDeviceFilterStrings" => {
                                builder = builder.set_usb_device_filter_strings(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_usb_device_filter_strings(tokens)?
                                );
                            }
                            "SessionScriptS3Location" => {
                                builder = builder.set_session_script_s3_location(
                                    crate::json_deser::deser_structure_crate_model_s3_location(
                                        tokens,
                                    )?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_image_builder<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ImageBuilder>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::image_builder::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Name" => {
                                builder = builder.set_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Arn" => {
                                builder = builder.set_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ImageArn" => {
                                builder = builder.set_image_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Description" => {
                                builder = builder.set_description(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DisplayName" => {
                                builder = builder.set_display_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "VpcConfig" => {
                                builder = builder.set_vpc_config(
                                    crate::json_deser::deser_structure_crate_model_vpc_config(
                                        tokens,
                                    )?,
                                );
                            }
                            "InstanceType" => {
                                builder = builder.set_instance_type(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Platform" => {
                                builder = builder.set_platform(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::PlatformType::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "IamRoleArn" => {
                                builder = builder.set_iam_role_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "State" => {
                                builder = builder.set_state(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ImageBuilderState::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "StateChangeReason" => {
                                builder = builder.set_state_change_reason(
                                    crate::json_deser::deser_structure_crate_model_image_builder_state_change_reason(tokens)?
                                );
                            }
                            "CreatedTime" => {
                                builder = builder.set_created_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "EnableDefaultInternetAccess" => {
                                builder = builder.set_enable_default_internet_access(
                                    aws_smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "DomainJoinInfo" => {
                                builder = builder.set_domain_join_info(
                                    crate::json_deser::deser_structure_crate_model_domain_join_info(tokens)?
                                );
                            }
                            "NetworkAccessConfiguration" => {
                                builder = builder.set_network_access_configuration(
                                    crate::json_deser::deser_structure_crate_model_network_access_configuration(tokens)?
                                );
                            }
                            "ImageBuilderErrors" => {
                                builder = builder.set_image_builder_errors(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_resource_errors(tokens)?
                                );
                            }
                            "AppstreamAgentVersion" => {
                                builder = builder.set_appstream_agent_version(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AccessEndpoints" => {
                                builder = builder.set_access_endpoints(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_access_endpoint_list(tokens)?
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_stack<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Stack>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::stack::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Arn" => {
                                builder = builder.set_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Name" => {
                                builder = builder.set_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Description" => {
                                builder = builder.set_description(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DisplayName" => {
                                builder = builder.set_display_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CreatedTime" => {
                                builder = builder.set_created_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "StorageConnectors" => {
                                builder = builder.set_storage_connectors(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_storage_connector_list(tokens)?
                                );
                            }
                            "RedirectURL" => {
                                builder = builder.set_redirect_url(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "FeedbackURL" => {
                                builder = builder.set_feedback_url(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "StackErrors" => {
                                builder = builder.set_stack_errors(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_stack_errors(tokens)?
                                );
                            }
                            "UserSettings" => {
                                builder = builder.set_user_settings(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_user_setting_list(tokens)?
                                );
                            }
                            "ApplicationSettings" => {
                                builder = builder.set_application_settings(
                                    crate::json_deser::deser_structure_crate_model_application_settings_response(tokens)?
                                );
                            }
                            "AccessEndpoints" => {
                                builder = builder.set_access_endpoints(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_access_endpoint_list(tokens)?
                                );
                            }
                            "EmbedHostDomains" => {
                                builder = builder.set_embed_host_domains(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_embed_host_domains(tokens)?
                                );
                            }
                            "StreamingExperienceSettings" => {
                                builder = builder.set_streaming_experience_settings(
                                    crate::json_deser::deser_structure_crate_model_streaming_experience_settings(tokens)?
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_image<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Image>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::image::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Name" => {
                                builder = builder.set_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Arn" => {
                                builder = builder.set_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "BaseImageArn" => {
                                builder = builder.set_base_image_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DisplayName" => {
                                builder = builder.set_display_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "State" => {
                                builder = builder.set_state(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::ImageState::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "Visibility" => {
                                builder = builder.set_visibility(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::VisibilityType::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "ImageBuilderSupported" => {
                                builder = builder.set_image_builder_supported(
                                    aws_smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "ImageBuilderName" => {
                                builder = builder.set_image_builder_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Platform" => {
                                builder = builder.set_platform(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::PlatformType::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "Description" => {
                                builder = builder.set_description(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "StateChangeReason" => {
                                builder = builder.set_state_change_reason(
                                    crate::json_deser::deser_structure_crate_model_image_state_change_reason(tokens)?
                                );
                            }
                            "Applications" => {
                                builder = builder.set_applications(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_applications(tokens)?
                                );
                            }
                            "CreatedTime" => {
                                builder = builder.set_created_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "PublicBaseImageReleasedDate" => {
                                builder = builder.set_public_base_image_released_date(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "AppstreamAgentVersion" => {
                                builder = builder.set_appstream_agent_version(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ImagePermissions" => {
                                builder = builder.set_image_permissions(
                                    crate::json_deser::deser_structure_crate_model_image_permissions(tokens)?
                                );
                            }
                            "ImageErrors" => {
                                builder = builder.set_image_errors(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_resource_errors(tokens)?
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_app_blocks<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::AppBlock>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_app_block(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_application_fleet_association_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::ApplicationFleetAssociation>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_application_fleet_association(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_applications<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::Application>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_application(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_directory_config_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::DirectoryConfig>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_directory_config(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_entitlement_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::Entitlement>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_entitlement(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_fleet_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::Fleet>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = crate::json_deser::deser_structure_crate_model_fleet(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_image_builder_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::ImageBuilder>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_image_builder(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_shared_image_permissions_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::SharedImagePermissions>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_shared_image_permissions(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_image_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::Image>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = crate::json_deser::deser_structure_crate_model_image(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_session_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::Session>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = crate::json_deser::deser_structure_crate_model_session(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_stack_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::Stack>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = crate::json_deser::deser_structure_crate_model_stack(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_usage_report_subscription_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::UsageReportSubscription>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_usage_report_subscription(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_user_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::User>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = crate::json_deser::deser_structure_crate_model_user(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_user_stack_association_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::UserStackAssociation>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_user_stack_association(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_string_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<std::string::String>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = aws_smithy_json::deserialize::token::expect_string_or_null(
                            tokens.next(),
                        )?
                        .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                        .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_entitled_application_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::EntitledApplication>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_entitled_application(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_map_com_amazonaws_appstream_tags<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::collections::HashMap<std::string::String, std::string::String>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            let mut map = std::collections::HashMap::new();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        let key = key.to_unescaped().map(|u| u.into_owned())?;
                        let value = aws_smithy_json::deserialize::token::expect_string_or_null(
                            tokens.next(),
                        )?
                        .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                        .transpose()?;
                        if let Some(value) = value {
                            map.insert(key, value);
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(map))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_user_stack_association_error<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::UserStackAssociationError>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::user_stack_association_error::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "UserStackAssociation" => {
                                builder = builder.set_user_stack_association(
                                    crate::json_deser::deser_structure_crate_model_user_stack_association(tokens)?
                                );
                            }
                            "ErrorCode" => {
                                builder = builder.set_error_code(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::UserStackAssociationErrorCode::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ErrorMessage" => {
                                builder = builder.set_error_message(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_s3_location<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::S3Location>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::s3_location::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "S3Bucket" => {
                                builder = builder.set_s3_bucket(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "S3Key" => {
                                builder = builder.set_s3_key(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_script_details<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ScriptDetails>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::script_details::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ScriptS3Location" => {
                                builder = builder.set_script_s3_location(
                                    crate::json_deser::deser_structure_crate_model_s3_location(
                                        tokens,
                                    )?,
                                );
                            }
                            "ExecutablePath" => {
                                builder = builder.set_executable_path(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ExecutableParameters" => {
                                builder = builder.set_executable_parameters(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "TimeoutInSeconds" => {
                                builder = builder.set_timeout_in_seconds(
                                    aws_smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(i32::try_from)
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_map_com_amazonaws_appstream_metadata<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::collections::HashMap<std::string::String, std::string::String>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            let mut map = std::collections::HashMap::new();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        let key = key.to_unescaped().map(|u| u.into_owned())?;
                        let value = aws_smithy_json::deserialize::token::expect_string_or_null(
                            tokens.next(),
                        )?
                        .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                        .transpose()?;
                        if let Some(value) = value {
                            map.insert(key, value);
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(map))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_platforms<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::PlatformType>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = aws_smithy_json::deserialize::token::expect_string_or_null(
                            tokens.next(),
                        )?
                        .map(|s| {
                            s.to_unescaped()
                                .map(|u| crate::model::PlatformType::from(u.as_ref()))
                        })
                        .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_organizational_unit_distinguished_names_list<
    'a,
    I,
>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<std::string::String>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = aws_smithy_json::deserialize::token::expect_string_or_null(
                            tokens.next(),
                        )?
                        .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                        .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_service_account_credentials<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ServiceAccountCredentials>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::service_account_credentials::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "AccountName" => {
                                builder = builder.set_account_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AccountPassword" => {
                                builder = builder.set_account_password(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_certificate_based_auth_properties<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::CertificateBasedAuthProperties>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::certificate_based_auth_properties::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Status" => {
                                builder = builder.set_status(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::CertificateBasedAuthStatus::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "CertificateAuthorityArn" => {
                                builder = builder.set_certificate_authority_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_entitlement_attribute_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::EntitlementAttribute>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_entitlement_attribute(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_compute_capacity_status<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ComputeCapacityStatus>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::compute_capacity_status::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Desired" => {
                                builder = builder.set_desired(
                                    aws_smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(i32::try_from)
                                    .transpose()?,
                                );
                            }
                            "Running" => {
                                builder = builder.set_running(
                                    aws_smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(i32::try_from)
                                    .transpose()?,
                                );
                            }
                            "InUse" => {
                                builder = builder.set_in_use(
                                    aws_smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(i32::try_from)
                                    .transpose()?,
                                );
                            }
                            "Available" => {
                                builder = builder.set_available(
                                    aws_smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(i32::try_from)
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_vpc_config<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::VpcConfig>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::vpc_config::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "SubnetIds" => {
                                builder = builder.set_subnet_ids(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_subnet_id_list(tokens)?
                                );
                            }
                            "SecurityGroupIds" => {
                                builder = builder.set_security_group_ids(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_security_group_id_list(tokens)?
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_fleet_errors<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::FleetError>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_fleet_error(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_domain_join_info<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::DomainJoinInfo>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::domain_join_info::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DirectoryName" => {
                                builder = builder.set_directory_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "OrganizationalUnitDistinguishedName" => {
                                builder = builder.set_organizational_unit_distinguished_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_usb_device_filter_strings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<std::string::String>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = aws_smithy_json::deserialize::token::expect_string_or_null(
                            tokens.next(),
                        )?
                        .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                        .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_image_builder_state_change_reason<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ImageBuilderStateChangeReason>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::image_builder_state_change_reason::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Code" => {
                                builder = builder.set_code(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ImageBuilderStateChangeReasonCode::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "Message" => {
                                builder = builder.set_message(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_network_access_configuration<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::NetworkAccessConfiguration>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::network_access_configuration::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "EniPrivateIpAddress" => {
                                builder = builder.set_eni_private_ip_address(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EniId" => {
                                builder = builder.set_eni_id(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_resource_errors<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::ResourceError>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_resource_error(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_access_endpoint_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::AccessEndpoint>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_access_endpoint(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_storage_connector_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::StorageConnector>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_storage_connector(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_stack_errors<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::StackError>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_stack_error(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_user_setting_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::UserSetting>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_user_setting(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_application_settings_response<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ApplicationSettingsResponse>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::application_settings_response::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Enabled" => {
                                builder = builder.set_enabled(
                                    aws_smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "SettingsGroup" => {
                                builder = builder.set_settings_group(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "S3BucketName" => {
                                builder = builder.set_s3_bucket_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_embed_host_domains<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<std::string::String>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = aws_smithy_json::deserialize::token::expect_string_or_null(
                            tokens.next(),
                        )?
                        .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                        .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_streaming_experience_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::StreamingExperienceSettings>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::streaming_experience_settings::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "PreferredProtocol" => {
                                builder = builder.set_preferred_protocol(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::PreferredProtocol::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_image_state_change_reason<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ImageStateChangeReason>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::image_state_change_reason::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Code" => {
                                builder = builder.set_code(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ImageStateChangeReasonCode::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "Message" => {
                                builder = builder.set_message(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_image_permissions<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ImagePermissions>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::image_permissions::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "allowFleet" => {
                                builder = builder.set_allow_fleet(
                                    aws_smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "allowImageBuilder" => {
                                builder = builder.set_allow_image_builder(
                                    aws_smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_shared_image_permissions<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::SharedImagePermissions>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::shared_image_permissions::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "sharedAccountId" => {
                                builder = builder.set_shared_account_id(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "imagePermissions" => {
                                builder = builder.set_image_permissions(
                                    crate::json_deser::deser_structure_crate_model_image_permissions(tokens)?
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_session<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Session>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::session::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Id" => {
                                builder = builder.set_id(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "UserId" => {
                                builder = builder.set_user_id(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "StackName" => {
                                builder = builder.set_stack_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "FleetName" => {
                                builder = builder.set_fleet_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "State" => {
                                builder = builder.set_state(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::SessionState::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "ConnectionState" => {
                                builder = builder.set_connection_state(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::SessionConnectionState::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "StartTime" => {
                                builder = builder.set_start_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "MaxExpirationTime" => {
                                builder = builder.set_max_expiration_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "AuthenticationType" => {
                                builder = builder.set_authentication_type(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::AuthenticationType::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "NetworkAccessConfiguration" => {
                                builder = builder.set_network_access_configuration(
                                    crate::json_deser::deser_structure_crate_model_network_access_configuration(tokens)?
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_usage_report_subscription<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::UsageReportSubscription>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::usage_report_subscription::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "S3BucketName" => {
                                builder = builder.set_s3_bucket_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Schedule" => {
                                builder = builder.set_schedule(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::UsageReportSchedule::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "LastGeneratedReportDate" => {
                                builder = builder.set_last_generated_report_date(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "SubscriptionErrors" => {
                                builder = builder.set_subscription_errors(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_last_report_generation_execution_errors(tokens)?
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_user<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::User>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::user::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Arn" => {
                                builder = builder.set_arn(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "UserName" => {
                                builder = builder.set_user_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Enabled" => {
                                builder = builder.set_enabled(
                                    aws_smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "Status" => {
                                builder = builder.set_status(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "FirstName" => {
                                builder = builder.set_first_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "LastName" => {
                                builder = builder.set_last_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CreatedTime" => {
                                builder = builder.set_created_time(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "AuthenticationType" => {
                                builder = builder.set_authentication_type(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::AuthenticationType::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_user_stack_association<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::UserStackAssociation>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::user_stack_association::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "StackName" => {
                                builder = builder.set_stack_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "UserName" => {
                                builder = builder.set_user_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AuthenticationType" => {
                                builder = builder.set_authentication_type(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::AuthenticationType::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "SendEmailNotification" => {
                                builder = builder.set_send_email_notification(
                                    aws_smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_entitled_application<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::EntitledApplication>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::entitled_application::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ApplicationIdentifier" => {
                                builder = builder.set_application_identifier(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_entitlement_attribute<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::EntitlementAttribute>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::entitlement_attribute::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Name" => {
                                builder = builder.set_name(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Value" => {
                                builder = builder.set_value(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_subnet_id_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<std::string::String>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = aws_smithy_json::deserialize::token::expect_string_or_null(
                            tokens.next(),
                        )?
                        .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                        .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_security_group_id_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<std::string::String>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = aws_smithy_json::deserialize::token::expect_string_or_null(
                            tokens.next(),
                        )?
                        .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                        .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_fleet_error<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::FleetError>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::fleet_error::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ErrorCode" => {
                                builder = builder.set_error_code(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::FleetErrorCode::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "ErrorMessage" => {
                                builder = builder.set_error_message(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_resource_error<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ResourceError>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::resource_error::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ErrorCode" => {
                                builder = builder.set_error_code(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::FleetErrorCode::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "ErrorMessage" => {
                                builder = builder.set_error_message(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ErrorTimestamp" => {
                                builder = builder.set_error_timestamp(
                                    aws_smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        aws_smithy_types::date_time::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_access_endpoint<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::AccessEndpoint>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::access_endpoint::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "EndpointType" => {
                                builder = builder.set_endpoint_type(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::AccessEndpointType::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "VpceId" => {
                                builder = builder.set_vpce_id(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_storage_connector<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::StorageConnector>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::storage_connector::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ConnectorType" => {
                                builder = builder.set_connector_type(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::StorageConnectorType::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ResourceIdentifier" => {
                                builder = builder.set_resource_identifier(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Domains" => {
                                builder = builder.set_domains(
                                    crate::json_deser::deser_list_com_amazonaws_appstream_domain_list(tokens)?
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_stack_error<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::StackError>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::stack_error::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ErrorCode" => {
                                builder = builder.set_error_code(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::StackErrorCode::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "ErrorMessage" => {
                                builder = builder.set_error_message(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_user_setting<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::UserSetting>, aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::user_setting::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Action" => {
                                builder = builder.set_action(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::Action::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "Permission" => {
                                builder = builder.set_permission(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::Permission::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_last_report_generation_execution_errors<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::LastReportGenerationExecutionError>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_last_report_generation_execution_error(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

#[allow(non_snake_case)]
pub(crate) fn deser_list_com_amazonaws_appstream_domain_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<std::string::String>>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(aws_smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = aws_smithy_json::deserialize::token::expect_string_or_null(
                            tokens.next(),
                        )?
                        .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                        .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start array or null",
            ),
        ),
    }
}

pub(crate) fn deser_structure_crate_model_last_report_generation_execution_error<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::LastReportGenerationExecutionError>,
    aws_smithy_json::deserialize::error::DeserializeError,
>
where
    I: Iterator<
        Item = Result<
            aws_smithy_json::deserialize::Token<'a>,
            aws_smithy_json::deserialize::error::DeserializeError,
        >,
    >,
{
    match tokens.next().transpose()? {
        Some(aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder =
                crate::model::last_report_generation_execution_error::Builder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ErrorCode" => {
                                builder = builder.set_error_code(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::UsageReportExecutionErrorCode::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ErrorMessage" => {
                                builder = builder.set_error_message(
                                    aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => aws_smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    other => {
                        return Err(
                            aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                                "expected object key or end object, found: {:?}",
                                other
                            )),
                        )
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(
            aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ),
        ),
    }
}