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// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
pub(crate) fn de_ec2_instance_attributes<'a, I>(
    tokens: &mut ::std::iter::Peekable<I>,
) -> Result<Option<crate::types::Ec2InstanceAttributes>, ::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::types::builders::Ec2InstanceAttributesBuilder::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() {
                        "Ec2KeyName" => {
                            builder = builder.set_ec2_key_name(
                                ::aws_smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                            );
                        }
                        "Ec2SubnetId" => {
                            builder = builder.set_ec2_subnet_id(
                                ::aws_smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                            );
                        }
                        "RequestedEc2SubnetIds" => {
                            builder = builder.set_requested_ec2_subnet_ids(
                                crate::protocol_serde::shape_xml_string_max_len256_list::de_xml_string_max_len256_list(tokens)?,
                            );
                        }
                        "Ec2AvailabilityZone" => {
                            builder = builder.set_ec2_availability_zone(
                                ::aws_smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                            );
                        }
                        "RequestedEc2AvailabilityZones" => {
                            builder = builder.set_requested_ec2_availability_zones(
                                crate::protocol_serde::shape_xml_string_max_len256_list::de_xml_string_max_len256_list(tokens)?,
                            );
                        }
                        "IamInstanceProfile" => {
                            builder = builder.set_iam_instance_profile(
                                ::aws_smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                            );
                        }
                        "EmrManagedMasterSecurityGroup" => {
                            builder = builder.set_emr_managed_master_security_group(
                                ::aws_smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                            );
                        }
                        "EmrManagedSlaveSecurityGroup" => {
                            builder = builder.set_emr_managed_slave_security_group(
                                ::aws_smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                            );
                        }
                        "ServiceAccessSecurityGroup" => {
                            builder = builder.set_service_access_security_group(
                                ::aws_smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                            );
                        }
                        "AdditionalMasterSecurityGroups" => {
                            builder =
                                builder.set_additional_master_security_groups(crate::protocol_serde::shape_string_list::de_string_list(tokens)?);
                        }
                        "AdditionalSlaveSecurityGroups" => {
                            builder = builder.set_additional_slave_security_groups(crate::protocol_serde::shape_string_list::de_string_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",
        )),
    }
}