json_deser.rs

// 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<smithy_types::Error, smithy_json::deserialize::Error> {
    crate::json_errors::parse_generic_error(response.body(), response.headers())
}

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

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

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

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

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

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

pub fn deser_operation_crate_operation_describe_delivery_stream(
    input: &[u8],
    mut builder: crate::output::describe_delivery_stream_output::Builder,
) -> Result<crate::output::describe_delivery_stream_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "DeliveryStreamDescription" => {
                        builder = builder.set_delivery_stream_description(
                            crate::json_deser::deser_structure_crate_model_delivery_stream_description(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_list_delivery_streams(
    input: &[u8],
    mut builder: crate::output::list_delivery_streams_output::Builder,
) -> Result<crate::output::list_delivery_streams_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "DeliveryStreamNames" => {
                        builder = builder.set_delivery_stream_names(
                            crate::json_deser::deser_list_com_amazonaws_firehose_delivery_stream_name_list(tokens)?
                        );
                    }
                    "HasMoreDeliveryStreams" => {
                        builder = builder.set_has_more_delivery_streams(
                            smithy_json::deserialize::token::expect_bool_or_null(tokens.next())?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_list_tags_for_delivery_stream(
    input: &[u8],
    mut builder: crate::output::list_tags_for_delivery_stream_output::Builder,
) -> Result<
    crate::output::list_tags_for_delivery_stream_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Tags" => {
                        builder = builder.set_tags(
                            crate::json_deser::deser_list_com_amazonaws_firehose_list_tags_for_delivery_stream_output_tag_list(tokens)?
                        );
                    }
                    "HasMoreTags" => {
                        builder = builder.set_has_more_tags(
                            smithy_json::deserialize::token::expect_bool_or_null(tokens.next())?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

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

pub fn deser_operation_crate_operation_put_record(
    input: &[u8],
    mut builder: crate::output::put_record_output::Builder,
) -> Result<crate::output::put_record_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "RecordId" => {
                        builder = builder.set_record_id(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "Encrypted" => {
                        builder = builder.set_encrypted(
                            smithy_json::deserialize::token::expect_bool_or_null(tokens.next())?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_put_record_batch(
    input: &[u8],
    mut builder: crate::output::put_record_batch_output::Builder,
) -> Result<crate::output::put_record_batch_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "FailedPutCount" => {
                        builder = builder.set_failed_put_count(
                            smithy_json::deserialize::token::expect_number_or_null(tokens.next())?
                                .map(|v| v.to_i32()),
                        );
                    }
                    "Encrypted" => {
                        builder = builder.set_encrypted(
                            smithy_json::deserialize::token::expect_bool_or_null(tokens.next())?,
                        );
                    }
                    "RequestResponses" => {
                        builder = builder.set_request_responses(
                            crate::json_deser::deser_list_com_amazonaws_firehose_put_record_batch_response_entry_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

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

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

pub fn deser_structure_crate_model_delivery_stream_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::DeliveryStreamDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::DeliveryStreamDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DeliveryStreamName" => {
                                builder = builder.set_delivery_stream_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DeliveryStreamARN" => {
                                builder = builder.set_delivery_stream_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DeliveryStreamStatus" => {
                                builder = builder.set_delivery_stream_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::DeliveryStreamStatus::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "FailureDescription" => {
                                builder = builder.set_failure_description(
                                    crate::json_deser::deser_structure_crate_model_failure_description(tokens)?
                                );
                            }
                            "DeliveryStreamEncryptionConfiguration" => {
                                builder = builder.set_delivery_stream_encryption_configuration(
                                    crate::json_deser::deser_structure_crate_model_delivery_stream_encryption_configuration(tokens)?
                                );
                            }
                            "DeliveryStreamType" => {
                                builder = builder.set_delivery_stream_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::DeliveryStreamType::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "VersionId" => {
                                builder = builder.set_version_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CreateTimestamp" => {
                                builder = builder.set_create_timestamp(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "LastUpdateTimestamp" => {
                                builder = builder.set_last_update_timestamp(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "Source" => {
                                builder = builder.set_source(
                                    crate::json_deser::deser_structure_crate_model_source_description(tokens)?
                                );
                            }
                            "Destinations" => {
                                builder = builder.set_destinations(
                                    crate::json_deser::deser_list_com_amazonaws_firehose_destination_description_list(tokens)?
                                );
                            }
                            "HasMoreDestinations" => {
                                builder = builder.set_has_more_destinations(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_firehose_delivery_stream_name_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            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(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

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

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

pub fn deser_structure_crate_model_failure_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::FailureDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::FailureDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Type" => {
                                builder = builder.set_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::DeliveryStreamFailureType::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "Details" => {
                                builder = builder.set_details(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_delivery_stream_encryption_configuration<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::DeliveryStreamEncryptionConfiguration>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::DeliveryStreamEncryptionConfiguration::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "KeyARN" => {
                                builder = builder.set_key_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "KeyType" => {
                                builder = builder.set_key_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::KeyType::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "Status" => {
                                builder = builder.set_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::DeliveryStreamEncryptionStatus::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "FailureDescription" => {
                                builder = builder.set_failure_description(
                                    crate::json_deser::deser_structure_crate_model_failure_description(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_source_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::SourceDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::SourceDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "KinesisStreamSourceDescription" => {
                                builder = builder.set_kinesis_stream_source_description(
                                    crate::json_deser::deser_structure_crate_model_kinesis_stream_source_description(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

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

pub fn deser_structure_crate_model_tag<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Tag>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::Tag::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Key" => {
                                builder = builder.set_key(
                                    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(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_put_record_batch_response_entry<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::PutRecordBatchResponseEntry>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::PutRecordBatchResponseEntry::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "RecordId" => {
                                builder = builder.set_record_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ErrorCode" => {
                                builder = builder.set_error_code(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ErrorMessage" => {
                                builder = builder.set_error_message(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_kinesis_stream_source_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::KinesisStreamSourceDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::KinesisStreamSourceDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "KinesisStreamARN" => {
                                builder = builder.set_kinesis_stream_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "RoleARN" => {
                                builder = builder.set_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DeliveryStartTimestamp" => {
                                builder = builder.set_delivery_start_timestamp(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_destination_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::DestinationDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::DestinationDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DestinationId" => {
                                builder = builder.set_destination_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "S3DestinationDescription" => {
                                builder = builder.set_s3_destination_description(
                                    crate::json_deser::deser_structure_crate_model_s3_destination_description(tokens)?
                                );
                            }
                            "ExtendedS3DestinationDescription" => {
                                builder = builder.set_extended_s3_destination_description(
                                    crate::json_deser::deser_structure_crate_model_extended_s3_destination_description(tokens)?
                                );
                            }
                            "RedshiftDestinationDescription" => {
                                builder = builder.set_redshift_destination_description(
                                    crate::json_deser::deser_structure_crate_model_redshift_destination_description(tokens)?
                                );
                            }
                            "ElasticsearchDestinationDescription" => {
                                builder = builder.set_elasticsearch_destination_description(
                                    crate::json_deser::deser_structure_crate_model_elasticsearch_destination_description(tokens)?
                                );
                            }
                            "AmazonopensearchserviceDestinationDescription" => {
                                builder = builder.set_amazonopensearchservice_destination_description(
                                    crate::json_deser::deser_structure_crate_model_amazonopensearchservice_destination_description(tokens)?
                                );
                            }
                            "SplunkDestinationDescription" => {
                                builder = builder.set_splunk_destination_description(
                                    crate::json_deser::deser_structure_crate_model_splunk_destination_description(tokens)?
                                );
                            }
                            "HttpEndpointDestinationDescription" => {
                                builder = builder.set_http_endpoint_destination_description(
                                    crate::json_deser::deser_structure_crate_model_http_endpoint_destination_description(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_s3_destination_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::S3DestinationDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::S3DestinationDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "RoleARN" => {
                                builder = builder.set_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "BucketARN" => {
                                builder = builder.set_bucket_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Prefix" => {
                                builder = builder.set_prefix(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ErrorOutputPrefix" => {
                                builder = builder.set_error_output_prefix(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "BufferingHints" => {
                                builder = builder.set_buffering_hints(
                                    crate::json_deser::deser_structure_crate_model_buffering_hints(
                                        tokens,
                                    )?,
                                );
                            }
                            "CompressionFormat" => {
                                builder = builder.set_compression_format(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::CompressionFormat::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "EncryptionConfiguration" => {
                                builder = builder.set_encryption_configuration(
                                    crate::json_deser::deser_structure_crate_model_encryption_configuration(tokens)?
                                );
                            }
                            "CloudWatchLoggingOptions" => {
                                builder = builder.set_cloud_watch_logging_options(
                                    crate::json_deser::deser_structure_crate_model_cloud_watch_logging_options(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_extended_s3_destination_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ExtendedS3DestinationDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ExtendedS3DestinationDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "RoleARN" => {
                                builder = builder.set_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "BucketARN" => {
                                builder = builder.set_bucket_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Prefix" => {
                                builder = builder.set_prefix(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ErrorOutputPrefix" => {
                                builder = builder.set_error_output_prefix(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "BufferingHints" => {
                                builder = builder.set_buffering_hints(
                                    crate::json_deser::deser_structure_crate_model_buffering_hints(
                                        tokens,
                                    )?,
                                );
                            }
                            "CompressionFormat" => {
                                builder = builder.set_compression_format(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::CompressionFormat::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "EncryptionConfiguration" => {
                                builder = builder.set_encryption_configuration(
                                    crate::json_deser::deser_structure_crate_model_encryption_configuration(tokens)?
                                );
                            }
                            "CloudWatchLoggingOptions" => {
                                builder = builder.set_cloud_watch_logging_options(
                                    crate::json_deser::deser_structure_crate_model_cloud_watch_logging_options(tokens)?
                                );
                            }
                            "ProcessingConfiguration" => {
                                builder = builder.set_processing_configuration(
                                    crate::json_deser::deser_structure_crate_model_processing_configuration(tokens)?
                                );
                            }
                            "S3BackupMode" => {
                                builder = builder.set_s3_backup_mode(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::S3BackupMode::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "S3BackupDescription" => {
                                builder = builder.set_s3_backup_description(
                                    crate::json_deser::deser_structure_crate_model_s3_destination_description(tokens)?
                                );
                            }
                            "DataFormatConversionConfiguration" => {
                                builder = builder.set_data_format_conversion_configuration(
                                    crate::json_deser::deser_structure_crate_model_data_format_conversion_configuration(tokens)?
                                );
                            }
                            "DynamicPartitioningConfiguration" => {
                                builder = builder.set_dynamic_partitioning_configuration(
                                    crate::json_deser::deser_structure_crate_model_dynamic_partitioning_configuration(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_redshift_destination_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::RedshiftDestinationDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::RedshiftDestinationDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "RoleARN" => {
                                builder = builder.set_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ClusterJDBCURL" => {
                                builder = builder.set_cluster_jdbcurl(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CopyCommand" => {
                                builder = builder.set_copy_command(
                                    crate::json_deser::deser_structure_crate_model_copy_command(
                                        tokens,
                                    )?,
                                );
                            }
                            "Username" => {
                                builder = builder.set_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "RetryOptions" => {
                                builder = builder.set_retry_options(
                                    crate::json_deser::deser_structure_crate_model_redshift_retry_options(tokens)?
                                );
                            }
                            "S3DestinationDescription" => {
                                builder = builder.set_s3_destination_description(
                                    crate::json_deser::deser_structure_crate_model_s3_destination_description(tokens)?
                                );
                            }
                            "ProcessingConfiguration" => {
                                builder = builder.set_processing_configuration(
                                    crate::json_deser::deser_structure_crate_model_processing_configuration(tokens)?
                                );
                            }
                            "S3BackupMode" => {
                                builder = builder.set_s3_backup_mode(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::RedshiftS3BackupMode::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "S3BackupDescription" => {
                                builder = builder.set_s3_backup_description(
                                    crate::json_deser::deser_structure_crate_model_s3_destination_description(tokens)?
                                );
                            }
                            "CloudWatchLoggingOptions" => {
                                builder = builder.set_cloud_watch_logging_options(
                                    crate::json_deser::deser_structure_crate_model_cloud_watch_logging_options(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_elasticsearch_destination_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ElasticsearchDestinationDescription>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ElasticsearchDestinationDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "RoleARN" => {
                                builder = builder.set_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DomainARN" => {
                                builder = builder.set_domain_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ClusterEndpoint" => {
                                builder = builder.set_cluster_endpoint(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "IndexName" => {
                                builder = builder.set_index_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "TypeName" => {
                                builder = builder.set_type_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "IndexRotationPeriod" => {
                                builder = builder.set_index_rotation_period(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ElasticsearchIndexRotationPeriod::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "BufferingHints" => {
                                builder = builder.set_buffering_hints(
                                    crate::json_deser::deser_structure_crate_model_elasticsearch_buffering_hints(tokens)?
                                );
                            }
                            "RetryOptions" => {
                                builder = builder.set_retry_options(
                                    crate::json_deser::deser_structure_crate_model_elasticsearch_retry_options(tokens)?
                                );
                            }
                            "S3BackupMode" => {
                                builder = builder.set_s3_backup_mode(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ElasticsearchS3BackupMode::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "S3DestinationDescription" => {
                                builder = builder.set_s3_destination_description(
                                    crate::json_deser::deser_structure_crate_model_s3_destination_description(tokens)?
                                );
                            }
                            "ProcessingConfiguration" => {
                                builder = builder.set_processing_configuration(
                                    crate::json_deser::deser_structure_crate_model_processing_configuration(tokens)?
                                );
                            }
                            "CloudWatchLoggingOptions" => {
                                builder = builder.set_cloud_watch_logging_options(
                                    crate::json_deser::deser_structure_crate_model_cloud_watch_logging_options(tokens)?
                                );
                            }
                            "VpcConfigurationDescription" => {
                                builder = builder.set_vpc_configuration_description(
                                    crate::json_deser::deser_structure_crate_model_vpc_configuration_description(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_amazonopensearchservice_destination_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::AmazonopensearchserviceDestinationDescription>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder =
                crate::model::AmazonopensearchserviceDestinationDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "RoleARN" => {
                                builder = builder.set_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DomainARN" => {
                                builder = builder.set_domain_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ClusterEndpoint" => {
                                builder = builder.set_cluster_endpoint(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "IndexName" => {
                                builder = builder.set_index_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "TypeName" => {
                                builder = builder.set_type_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "IndexRotationPeriod" => {
                                builder = builder.set_index_rotation_period(
                                    smithy_json::deserialize::token::expect_string_or_null(tokens.next())?.map(|s|
                                        s.to_unescaped().map(|u|
                                            crate::model::AmazonopensearchserviceIndexRotationPeriod::from(u.as_ref())
                                        )
                                    ).transpose()?
                                );
                            }
                            "BufferingHints" => {
                                builder = builder.set_buffering_hints(
                                    crate::json_deser::deser_structure_crate_model_amazonopensearchservice_buffering_hints(tokens)?
                                );
                            }
                            "RetryOptions" => {
                                builder = builder.set_retry_options(
                                    crate::json_deser::deser_structure_crate_model_amazonopensearchservice_retry_options(tokens)?
                                );
                            }
                            "S3BackupMode" => {
                                builder = builder.set_s3_backup_mode(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::AmazonopensearchserviceS3BackupMode::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "S3DestinationDescription" => {
                                builder = builder.set_s3_destination_description(
                                    crate::json_deser::deser_structure_crate_model_s3_destination_description(tokens)?
                                );
                            }
                            "ProcessingConfiguration" => {
                                builder = builder.set_processing_configuration(
                                    crate::json_deser::deser_structure_crate_model_processing_configuration(tokens)?
                                );
                            }
                            "CloudWatchLoggingOptions" => {
                                builder = builder.set_cloud_watch_logging_options(
                                    crate::json_deser::deser_structure_crate_model_cloud_watch_logging_options(tokens)?
                                );
                            }
                            "VpcConfigurationDescription" => {
                                builder = builder.set_vpc_configuration_description(
                                    crate::json_deser::deser_structure_crate_model_vpc_configuration_description(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_splunk_destination_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::SplunkDestinationDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::SplunkDestinationDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "HECEndpoint" => {
                                builder = builder.set_hec_endpoint(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "HECEndpointType" => {
                                builder = builder.set_hec_endpoint_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::HecEndpointType::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "HECToken" => {
                                builder = builder.set_hec_token(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "HECAcknowledgmentTimeoutInSeconds" => {
                                builder = builder.set_hec_acknowledgment_timeout_in_seconds(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "RetryOptions" => {
                                builder = builder.set_retry_options(
                                    crate::json_deser::deser_structure_crate_model_splunk_retry_options(tokens)?
                                );
                            }
                            "S3BackupMode" => {
                                builder = builder.set_s3_backup_mode(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::SplunkS3BackupMode::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "S3DestinationDescription" => {
                                builder = builder.set_s3_destination_description(
                                    crate::json_deser::deser_structure_crate_model_s3_destination_description(tokens)?
                                );
                            }
                            "ProcessingConfiguration" => {
                                builder = builder.set_processing_configuration(
                                    crate::json_deser::deser_structure_crate_model_processing_configuration(tokens)?
                                );
                            }
                            "CloudWatchLoggingOptions" => {
                                builder = builder.set_cloud_watch_logging_options(
                                    crate::json_deser::deser_structure_crate_model_cloud_watch_logging_options(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_http_endpoint_destination_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::HttpEndpointDestinationDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::HttpEndpointDestinationDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "EndpointConfiguration" => {
                                builder = builder.set_endpoint_configuration(
                                    crate::json_deser::deser_structure_crate_model_http_endpoint_description(tokens)?
                                );
                            }
                            "BufferingHints" => {
                                builder = builder.set_buffering_hints(
                                    crate::json_deser::deser_structure_crate_model_http_endpoint_buffering_hints(tokens)?
                                );
                            }
                            "CloudWatchLoggingOptions" => {
                                builder = builder.set_cloud_watch_logging_options(
                                    crate::json_deser::deser_structure_crate_model_cloud_watch_logging_options(tokens)?
                                );
                            }
                            "RequestConfiguration" => {
                                builder = builder.set_request_configuration(
                                    crate::json_deser::deser_structure_crate_model_http_endpoint_request_configuration(tokens)?
                                );
                            }
                            "ProcessingConfiguration" => {
                                builder = builder.set_processing_configuration(
                                    crate::json_deser::deser_structure_crate_model_processing_configuration(tokens)?
                                );
                            }
                            "RoleARN" => {
                                builder = builder.set_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "RetryOptions" => {
                                builder = builder.set_retry_options(
                                    crate::json_deser::deser_structure_crate_model_http_endpoint_retry_options(tokens)?
                                );
                            }
                            "S3BackupMode" => {
                                builder = builder.set_s3_backup_mode(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::HttpEndpointS3BackupMode::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "S3DestinationDescription" => {
                                builder = builder.set_s3_destination_description(
                                    crate::json_deser::deser_structure_crate_model_s3_destination_description(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_buffering_hints<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::BufferingHints>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::BufferingHints::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "SizeInMBs" => {
                                builder = builder.set_size_in_m_bs(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "IntervalInSeconds" => {
                                builder = builder.set_interval_in_seconds(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_encryption_configuration<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::EncryptionConfiguration>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::EncryptionConfiguration::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "NoEncryptionConfig" => {
                                builder = builder.set_no_encryption_config(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::NoEncryptionConfig::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "KMSEncryptionConfig" => {
                                builder = builder.set_kms_encryption_config(
                                    crate::json_deser::deser_structure_crate_model_kms_encryption_config(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_cloud_watch_logging_options<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::CloudWatchLoggingOptions>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::CloudWatchLoggingOptions::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Enabled" => {
                                builder = builder.set_enabled(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "LogGroupName" => {
                                builder = builder.set_log_group_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "LogStreamName" => {
                                builder = builder.set_log_stream_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_processing_configuration<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ProcessingConfiguration>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ProcessingConfiguration::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Enabled" => {
                                builder = builder.set_enabled(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "Processors" => {
                                builder = builder.set_processors(
                                    crate::json_deser::deser_list_com_amazonaws_firehose_processor_list(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_data_format_conversion_configuration<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::DataFormatConversionConfiguration>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::DataFormatConversionConfiguration::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "SchemaConfiguration" => {
                                builder = builder.set_schema_configuration(
                                    crate::json_deser::deser_structure_crate_model_schema_configuration(tokens)?
                                );
                            }
                            "InputFormatConfiguration" => {
                                builder = builder.set_input_format_configuration(
                                    crate::json_deser::deser_structure_crate_model_input_format_configuration(tokens)?
                                );
                            }
                            "OutputFormatConfiguration" => {
                                builder = builder.set_output_format_configuration(
                                    crate::json_deser::deser_structure_crate_model_output_format_configuration(tokens)?
                                );
                            }
                            "Enabled" => {
                                builder = builder.set_enabled(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_dynamic_partitioning_configuration<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::DynamicPartitioningConfiguration>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::DynamicPartitioningConfiguration::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "RetryOptions" => {
                                builder = builder.set_retry_options(
                                    crate::json_deser::deser_structure_crate_model_retry_options(
                                        tokens,
                                    )?,
                                );
                            }
                            "Enabled" => {
                                builder = builder.set_enabled(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_copy_command<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::CopyCommand>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::CopyCommand::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DataTableName" => {
                                builder = builder.set_data_table_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DataTableColumns" => {
                                builder = builder.set_data_table_columns(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CopyOptions" => {
                                builder = builder.set_copy_options(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_redshift_retry_options<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::RedshiftRetryOptions>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::RedshiftRetryOptions::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DurationInSeconds" => {
                                builder = builder.set_duration_in_seconds(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_elasticsearch_buffering_hints<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ElasticsearchBufferingHints>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ElasticsearchBufferingHints::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "IntervalInSeconds" => {
                                builder = builder.set_interval_in_seconds(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "SizeInMBs" => {
                                builder = builder.set_size_in_m_bs(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_elasticsearch_retry_options<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ElasticsearchRetryOptions>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ElasticsearchRetryOptions::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DurationInSeconds" => {
                                builder = builder.set_duration_in_seconds(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_vpc_configuration_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::VpcConfigurationDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::VpcConfigurationDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(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_firehose_subnet_id_list(tokens)?
                                );
                            }
                            "RoleARN" => {
                                builder = builder.set_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecurityGroupIds" => {
                                builder = builder.set_security_group_ids(
                                    crate::json_deser::deser_list_com_amazonaws_firehose_security_group_id_list(tokens)?
                                );
                            }
                            "VpcId" => {
                                builder = builder.set_vpc_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_amazonopensearchservice_buffering_hints<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::AmazonopensearchserviceBufferingHints>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::AmazonopensearchserviceBufferingHints::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "IntervalInSeconds" => {
                                builder = builder.set_interval_in_seconds(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "SizeInMBs" => {
                                builder = builder.set_size_in_m_bs(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_amazonopensearchservice_retry_options<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::AmazonopensearchserviceRetryOptions>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::AmazonopensearchserviceRetryOptions::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DurationInSeconds" => {
                                builder = builder.set_duration_in_seconds(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_splunk_retry_options<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::SplunkRetryOptions>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::SplunkRetryOptions::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DurationInSeconds" => {
                                builder = builder.set_duration_in_seconds(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_http_endpoint_description<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::HttpEndpointDescription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::HttpEndpointDescription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Url" => {
                                builder = builder.set_url(
                                    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(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_http_endpoint_buffering_hints<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::HttpEndpointBufferingHints>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::HttpEndpointBufferingHints::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "SizeInMBs" => {
                                builder = builder.set_size_in_m_bs(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "IntervalInSeconds" => {
                                builder = builder.set_interval_in_seconds(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_http_endpoint_request_configuration<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::HttpEndpointRequestConfiguration>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::HttpEndpointRequestConfiguration::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ContentEncoding" => {
                                builder = builder.set_content_encoding(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ContentEncoding::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "CommonAttributes" => {
                                builder = builder.set_common_attributes(
                                    crate::json_deser::deser_list_com_amazonaws_firehose_http_endpoint_common_attributes_list(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_http_endpoint_retry_options<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::HttpEndpointRetryOptions>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::HttpEndpointRetryOptions::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DurationInSeconds" => {
                                builder = builder.set_duration_in_seconds(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_kms_encryption_config<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::KmsEncryptionConfig>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::KmsEncryptionConfig::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "AWSKMSKeyARN" => {
                                builder = builder.set_awskms_key_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

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

pub fn deser_structure_crate_model_schema_configuration<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::SchemaConfiguration>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::SchemaConfiguration::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "RoleARN" => {
                                builder = builder.set_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CatalogId" => {
                                builder = builder.set_catalog_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DatabaseName" => {
                                builder = builder.set_database_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "TableName" => {
                                builder = builder.set_table_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Region" => {
                                builder = builder.set_region(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "VersionId" => {
                                builder = builder.set_version_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_input_format_configuration<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::InputFormatConfiguration>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::InputFormatConfiguration::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Deserializer" => {
                                builder = builder.set_deserializer(
                                    crate::json_deser::deser_structure_crate_model_deserializer(
                                        tokens,
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_output_format_configuration<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::OutputFormatConfiguration>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::OutputFormatConfiguration::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Serializer" => {
                                builder = builder.set_serializer(
                                    crate::json_deser::deser_structure_crate_model_serializer(
                                        tokens,
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_retry_options<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::RetryOptions>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::RetryOptions::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DurationInSeconds" => {
                                builder = builder.set_duration_in_seconds(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_firehose_subnet_id_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            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(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_firehose_security_group_id_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            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(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

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

pub fn deser_structure_crate_model_processor<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Processor>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::Processor::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Type" => {
                                builder = builder.set_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::ProcessorType::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "Parameters" => {
                                builder = builder.set_parameters(
                                    crate::json_deser::deser_list_com_amazonaws_firehose_processor_parameter_list(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_deserializer<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Deserializer>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::Deserializer::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "OpenXJsonSerDe" => {
                                builder = builder.set_open_x_json_ser_de(
                                    crate::json_deser::deser_structure_crate_model_open_x_json_ser_de(tokens)?
                                );
                            }
                            "HiveJsonSerDe" => {
                                builder = builder.set_hive_json_ser_de(
                                    crate::json_deser::deser_structure_crate_model_hive_json_ser_de(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_serializer<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Serializer>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::Serializer::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ParquetSerDe" => {
                                builder = builder.set_parquet_ser_de(
                                    crate::json_deser::deser_structure_crate_model_parquet_ser_de(
                                        tokens,
                                    )?,
                                );
                            }
                            "OrcSerDe" => {
                                builder = builder.set_orc_ser_de(
                                    crate::json_deser::deser_structure_crate_model_orc_ser_de(
                                        tokens,
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_http_endpoint_common_attribute<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::HttpEndpointCommonAttribute>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::HttpEndpointCommonAttribute::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "AttributeName" => {
                                builder = builder.set_attribute_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AttributeValue" => {
                                builder = builder.set_attribute_value(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

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

pub fn deser_structure_crate_model_open_x_json_ser_de<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::OpenXJsonSerDe>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::OpenXJsonSerDe::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ConvertDotsInJsonKeysToUnderscores" => {
                                builder = builder.set_convert_dots_in_json_keys_to_underscores(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "CaseInsensitive" => {
                                builder = builder.set_case_insensitive(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "ColumnToJsonKeyMappings" => {
                                builder = builder.set_column_to_json_key_mappings(
                                    crate::json_deser::deser_map_com_amazonaws_firehose_column_to_json_key_mappings(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_hive_json_ser_de<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::HiveJsonSerDe>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::HiveJsonSerDe::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "TimestampFormats" => {
                                builder = builder.set_timestamp_formats(
                                    crate::json_deser::deser_list_com_amazonaws_firehose_list_of_non_empty_strings(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_parquet_ser_de<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ParquetSerDe>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ParquetSerDe::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "BlockSizeBytes" => {
                                builder = builder.set_block_size_bytes(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "PageSizeBytes" => {
                                builder = builder.set_page_size_bytes(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "Compression" => {
                                builder = builder.set_compression(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ParquetCompression::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "EnableDictionaryCompression" => {
                                builder = builder.set_enable_dictionary_compression(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "MaxPaddingBytes" => {
                                builder = builder.set_max_padding_bytes(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "WriterVersion" => {
                                builder = builder.set_writer_version(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ParquetWriterVersion::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_orc_ser_de<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::OrcSerDe>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::OrcSerDe::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "StripeSizeBytes" => {
                                builder = builder.set_stripe_size_bytes(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "BlockSizeBytes" => {
                                builder = builder.set_block_size_bytes(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "RowIndexStride" => {
                                builder = builder.set_row_index_stride(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "EnablePadding" => {
                                builder = builder.set_enable_padding(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "PaddingTolerance" => {
                                builder = builder.set_padding_tolerance(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_f64()),
                                );
                            }
                            "Compression" => {
                                builder = builder.set_compression(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::OrcCompression::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "BloomFilterColumns" => {
                                builder = builder.set_bloom_filter_columns(
                                    crate::json_deser::deser_list_com_amazonaws_firehose_list_of_non_empty_strings_without_whitespace(tokens)?
                                );
                            }
                            "BloomFilterFalsePositiveProbability" => {
                                builder = builder.set_bloom_filter_false_positive_probability(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_f64()),
                                );
                            }
                            "DictionaryKeyThreshold" => {
                                builder = builder.set_dictionary_key_threshold(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_f64()),
                                );
                            }
                            "FormatVersion" => {
                                builder = builder.set_format_version(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::OrcFormatVersion::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_processor_parameter<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ProcessorParameter>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ProcessorParameter::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ParameterName" => {
                                builder = builder.set_parameter_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ProcessorParameterName::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ParameterValue" => {
                                builder = builder.set_parameter_value(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_map_com_amazonaws_firehose_column_to_json_key_mappings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::collections::HashMap<std::string::String, std::string::String>>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            let mut map = std::collections::HashMap::new();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        let key = key.to_unescaped().map(|u| u.into_owned())?;
                        let value =
                            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);
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(map))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_firehose_list_of_non_empty_strings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            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(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_firehose_list_of_non_empty_strings_without_whitespace<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            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(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}