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// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
pub(crate) fn de_metric_attribution<'a, I>(
    tokens: &mut ::std::iter::Peekable<I>,
) -> Result<
    Option<crate::types::MetricAttribution>,
    ::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::MetricAttributionBuilder::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()?,
                                );
                            }
                            "metricAttributionArn" => {
                                builder = builder.set_metric_attribution_arn(
                                    ::aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "datasetGroupArn" => {
                                builder = builder.set_dataset_group_arn(
                                    ::aws_smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "metricsOutputConfig" => {
                                builder = builder.set_metrics_output_config(
                                    crate::protocol_serde::shape_metric_attribution_output::de_metric_attribution_output(tokens)?
                                );
                            }
                            "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()?,
                                );
                            }
                            "creationDateTime" => {
                                builder = builder.set_creation_date_time(
                                    ::aws_smithy_json::deserialize::token::expect_timestamp_or_null(tokens.next(), ::aws_smithy_types::date_time::Format::EpochSeconds)?
                                );
                            }
                            "lastUpdatedDateTime" => {
                                builder = builder.set_last_updated_date_time(
                                    ::aws_smithy_json::deserialize::token::expect_timestamp_or_null(tokens.next(), ::aws_smithy_types::date_time::Format::EpochSeconds)?
                                );
                            }
                            "failureReason" => {
                                builder = builder.set_failure_reason(
                                    ::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",
            ),
        ),
    }
}