aws-sdk-budgets 0.6.0

// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
/// Paginator for [`DescribeBudgetActionHistories`](crate::operation::DescribeBudgetActionHistories)
pub struct DescribeBudgetActionHistoriesPaginator<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
> {
    handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
    builder: crate::input::describe_budget_action_histories_input::Builder,
}

impl<C, M, R> DescribeBudgetActionHistoriesPaginator<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
        builder: crate::input::describe_budget_action_histories_input::Builder,
    ) -> Self {
        Self { handle, builder }
    }

    /// Set the page size
    ///
    /// _Note: this method will override any previously set value for `max_results`_
    pub fn page_size(mut self, limit: i32) -> Self {
        self.builder.max_results = Some(limit);
        self
    }

    /// Create a flattened paginator
    ///
    /// This paginator automatically flattens results using `action_histories`. Queries to the underlying service
    /// are dispatched lazily.
    pub fn items(self) -> crate::paginator::DescribeBudgetActionHistoriesPaginatorItems<C, M, R> {
        crate::paginator::DescribeBudgetActionHistoriesPaginatorItems(self)
    }

    /// Create the pagination stream
    ///
    /// _Note:_ No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next)).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::output::DescribeBudgetActionHistoriesOutput,
            aws_smithy_http::result::SdkError<crate::error::DescribeBudgetActionHistoriesError>,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeBudgetActionHistoriesInputOperationOutputAlias,
            crate::output::DescribeBudgetActionHistoriesOutput,
            crate::error::DescribeBudgetActionHistoriesError,
            crate::input::DescribeBudgetActionHistoriesInputOperationRetryAlias,
        >,
    {
        // Move individual fields out of self for the borrow checker
        let builder = self.builder;
        let handle = self.handle;
        aws_smithy_async::future::fn_stream::FnStream::new(move |tx| {
            Box::pin(async move {
                // Build the input for the first time. If required fields are missing, this is where we'll produce an early error.
                let mut input = match builder.build().map_err(|err| {
                    aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                }) {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input.make_operation(&handle.conf).await.map_err(|err| {
                        aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                    }) {
                        Ok(op) => op,
                        Err(e) => {
                            let _ = tx.send(Err(e)).await;
                            return;
                        }
                    };
                    let resp = handle.client.call(op).await;
                    // If the input member is None or it was an error
                    let done = match resp {
                        Ok(ref resp) => {
                            let new_token = crate::lens::reflens_structure_crate_output_describe_budget_action_histories_output_next_token(resp);
                            let is_empty = new_token.map(|token| token.is_empty()).unwrap_or(true);
                            if !is_empty && new_token == input.next_token.as_ref() {
                                let _ = tx.send(Err(aws_smithy_http::result::SdkError::ConstructionFailure("next token did not change, aborting paginator. This indicates an SDK or AWS service bug.".into()))).await;
                                return;
                            }
                            input.next_token = new_token.cloned();
                            is_empty
                        }
                        Err(_) => true,
                    };
                    if tx.send(resp).await.is_err() {
                        // receiving end was dropped
                        return;
                    }
                    if done {
                        return;
                    }
                }
            })
        })
    }
}

/// Paginator for [`DescribeBudgetActionsForAccount`](crate::operation::DescribeBudgetActionsForAccount)
pub struct DescribeBudgetActionsForAccountPaginator<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
> {
    handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
    builder: crate::input::describe_budget_actions_for_account_input::Builder,
}

impl<C, M, R> DescribeBudgetActionsForAccountPaginator<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
        builder: crate::input::describe_budget_actions_for_account_input::Builder,
    ) -> Self {
        Self { handle, builder }
    }

    /// Set the page size
    ///
    /// _Note: this method will override any previously set value for `max_results`_
    pub fn page_size(mut self, limit: i32) -> Self {
        self.builder.max_results = Some(limit);
        self
    }

    /// Create a flattened paginator
    ///
    /// This paginator automatically flattens results using `actions`. Queries to the underlying service
    /// are dispatched lazily.
    pub fn items(self) -> crate::paginator::DescribeBudgetActionsForAccountPaginatorItems<C, M, R> {
        crate::paginator::DescribeBudgetActionsForAccountPaginatorItems(self)
    }

    /// Create the pagination stream
    ///
    /// _Note:_ No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next)).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::output::DescribeBudgetActionsForAccountOutput,
            aws_smithy_http::result::SdkError<crate::error::DescribeBudgetActionsForAccountError>,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeBudgetActionsForAccountInputOperationOutputAlias,
            crate::output::DescribeBudgetActionsForAccountOutput,
            crate::error::DescribeBudgetActionsForAccountError,
            crate::input::DescribeBudgetActionsForAccountInputOperationRetryAlias,
        >,
    {
        // Move individual fields out of self for the borrow checker
        let builder = self.builder;
        let handle = self.handle;
        aws_smithy_async::future::fn_stream::FnStream::new(move |tx| {
            Box::pin(async move {
                // Build the input for the first time. If required fields are missing, this is where we'll produce an early error.
                let mut input = match builder.build().map_err(|err| {
                    aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                }) {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input.make_operation(&handle.conf).await.map_err(|err| {
                        aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                    }) {
                        Ok(op) => op,
                        Err(e) => {
                            let _ = tx.send(Err(e)).await;
                            return;
                        }
                    };
                    let resp = handle.client.call(op).await;
                    // If the input member is None or it was an error
                    let done = match resp {
                        Ok(ref resp) => {
                            let new_token = crate::lens::reflens_structure_crate_output_describe_budget_actions_for_account_output_next_token(resp);
                            let is_empty = new_token.map(|token| token.is_empty()).unwrap_or(true);
                            if !is_empty && new_token == input.next_token.as_ref() {
                                let _ = tx.send(Err(aws_smithy_http::result::SdkError::ConstructionFailure("next token did not change, aborting paginator. This indicates an SDK or AWS service bug.".into()))).await;
                                return;
                            }
                            input.next_token = new_token.cloned();
                            is_empty
                        }
                        Err(_) => true,
                    };
                    if tx.send(resp).await.is_err() {
                        // receiving end was dropped
                        return;
                    }
                    if done {
                        return;
                    }
                }
            })
        })
    }
}

/// Paginator for [`DescribeBudgetActionsForBudget`](crate::operation::DescribeBudgetActionsForBudget)
pub struct DescribeBudgetActionsForBudgetPaginator<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
> {
    handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
    builder: crate::input::describe_budget_actions_for_budget_input::Builder,
}

impl<C, M, R> DescribeBudgetActionsForBudgetPaginator<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
        builder: crate::input::describe_budget_actions_for_budget_input::Builder,
    ) -> Self {
        Self { handle, builder }
    }

    /// Set the page size
    ///
    /// _Note: this method will override any previously set value for `max_results`_
    pub fn page_size(mut self, limit: i32) -> Self {
        self.builder.max_results = Some(limit);
        self
    }

    /// Create a flattened paginator
    ///
    /// This paginator automatically flattens results using `actions`. Queries to the underlying service
    /// are dispatched lazily.
    pub fn items(self) -> crate::paginator::DescribeBudgetActionsForBudgetPaginatorItems<C, M, R> {
        crate::paginator::DescribeBudgetActionsForBudgetPaginatorItems(self)
    }

    /// Create the pagination stream
    ///
    /// _Note:_ No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next)).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::output::DescribeBudgetActionsForBudgetOutput,
            aws_smithy_http::result::SdkError<crate::error::DescribeBudgetActionsForBudgetError>,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeBudgetActionsForBudgetInputOperationOutputAlias,
            crate::output::DescribeBudgetActionsForBudgetOutput,
            crate::error::DescribeBudgetActionsForBudgetError,
            crate::input::DescribeBudgetActionsForBudgetInputOperationRetryAlias,
        >,
    {
        // Move individual fields out of self for the borrow checker
        let builder = self.builder;
        let handle = self.handle;
        aws_smithy_async::future::fn_stream::FnStream::new(move |tx| {
            Box::pin(async move {
                // Build the input for the first time. If required fields are missing, this is where we'll produce an early error.
                let mut input = match builder.build().map_err(|err| {
                    aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                }) {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input.make_operation(&handle.conf).await.map_err(|err| {
                        aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                    }) {
                        Ok(op) => op,
                        Err(e) => {
                            let _ = tx.send(Err(e)).await;
                            return;
                        }
                    };
                    let resp = handle.client.call(op).await;
                    // If the input member is None or it was an error
                    let done = match resp {
                        Ok(ref resp) => {
                            let new_token = crate::lens::reflens_structure_crate_output_describe_budget_actions_for_budget_output_next_token(resp);
                            let is_empty = new_token.map(|token| token.is_empty()).unwrap_or(true);
                            if !is_empty && new_token == input.next_token.as_ref() {
                                let _ = tx.send(Err(aws_smithy_http::result::SdkError::ConstructionFailure("next token did not change, aborting paginator. This indicates an SDK or AWS service bug.".into()))).await;
                                return;
                            }
                            input.next_token = new_token.cloned();
                            is_empty
                        }
                        Err(_) => true,
                    };
                    if tx.send(resp).await.is_err() {
                        // receiving end was dropped
                        return;
                    }
                    if done {
                        return;
                    }
                }
            })
        })
    }
}

/// Paginator for [`DescribeBudgetPerformanceHistory`](crate::operation::DescribeBudgetPerformanceHistory)
pub struct DescribeBudgetPerformanceHistoryPaginator<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
> {
    handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
    builder: crate::input::describe_budget_performance_history_input::Builder,
}

impl<C, M, R> DescribeBudgetPerformanceHistoryPaginator<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
        builder: crate::input::describe_budget_performance_history_input::Builder,
    ) -> Self {
        Self { handle, builder }
    }

    /// Set the page size
    ///
    /// _Note: this method will override any previously set value for `max_results`_
    pub fn page_size(mut self, limit: i32) -> Self {
        self.builder.max_results = Some(limit);
        self
    }

    /// Create the pagination stream
    ///
    /// _Note:_ No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next)).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::output::DescribeBudgetPerformanceHistoryOutput,
            aws_smithy_http::result::SdkError<crate::error::DescribeBudgetPerformanceHistoryError>,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeBudgetPerformanceHistoryInputOperationOutputAlias,
            crate::output::DescribeBudgetPerformanceHistoryOutput,
            crate::error::DescribeBudgetPerformanceHistoryError,
            crate::input::DescribeBudgetPerformanceHistoryInputOperationRetryAlias,
        >,
    {
        // Move individual fields out of self for the borrow checker
        let builder = self.builder;
        let handle = self.handle;
        aws_smithy_async::future::fn_stream::FnStream::new(move |tx| {
            Box::pin(async move {
                // Build the input for the first time. If required fields are missing, this is where we'll produce an early error.
                let mut input = match builder.build().map_err(|err| {
                    aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                }) {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input.make_operation(&handle.conf).await.map_err(|err| {
                        aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                    }) {
                        Ok(op) => op,
                        Err(e) => {
                            let _ = tx.send(Err(e)).await;
                            return;
                        }
                    };
                    let resp = handle.client.call(op).await;
                    // If the input member is None or it was an error
                    let done = match resp {
                        Ok(ref resp) => {
                            let new_token = crate::lens::reflens_structure_crate_output_describe_budget_performance_history_output_next_token(resp);
                            let is_empty = new_token.map(|token| token.is_empty()).unwrap_or(true);
                            if !is_empty && new_token == input.next_token.as_ref() {
                                let _ = tx.send(Err(aws_smithy_http::result::SdkError::ConstructionFailure("next token did not change, aborting paginator. This indicates an SDK or AWS service bug.".into()))).await;
                                return;
                            }
                            input.next_token = new_token.cloned();
                            is_empty
                        }
                        Err(_) => true,
                    };
                    if tx.send(resp).await.is_err() {
                        // receiving end was dropped
                        return;
                    }
                    if done {
                        return;
                    }
                }
            })
        })
    }
}

/// Paginator for [`DescribeBudgets`](crate::operation::DescribeBudgets)
pub struct DescribeBudgetsPaginator<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
> {
    handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
    builder: crate::input::describe_budgets_input::Builder,
}

impl<C, M, R> DescribeBudgetsPaginator<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
        builder: crate::input::describe_budgets_input::Builder,
    ) -> Self {
        Self { handle, builder }
    }

    /// Set the page size
    ///
    /// _Note: this method will override any previously set value for `max_results`_
    pub fn page_size(mut self, limit: i32) -> Self {
        self.builder.max_results = Some(limit);
        self
    }

    /// Create a flattened paginator
    ///
    /// This paginator automatically flattens results using `budgets`. Queries to the underlying service
    /// are dispatched lazily.
    pub fn items(self) -> crate::paginator::DescribeBudgetsPaginatorItems<C, M, R> {
        crate::paginator::DescribeBudgetsPaginatorItems(self)
    }

    /// Create the pagination stream
    ///
    /// _Note:_ No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next)).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::output::DescribeBudgetsOutput,
            aws_smithy_http::result::SdkError<crate::error::DescribeBudgetsError>,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeBudgetsInputOperationOutputAlias,
            crate::output::DescribeBudgetsOutput,
            crate::error::DescribeBudgetsError,
            crate::input::DescribeBudgetsInputOperationRetryAlias,
        >,
    {
        // Move individual fields out of self for the borrow checker
        let builder = self.builder;
        let handle = self.handle;
        aws_smithy_async::future::fn_stream::FnStream::new(move |tx| {
            Box::pin(async move {
                // Build the input for the first time. If required fields are missing, this is where we'll produce an early error.
                let mut input = match builder.build().map_err(|err| {
                    aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                }) {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input.make_operation(&handle.conf).await.map_err(|err| {
                        aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                    }) {
                        Ok(op) => op,
                        Err(e) => {
                            let _ = tx.send(Err(e)).await;
                            return;
                        }
                    };
                    let resp = handle.client.call(op).await;
                    // If the input member is None or it was an error
                    let done = match resp {
                        Ok(ref resp) => {
                            let new_token = crate::lens::reflens_structure_crate_output_describe_budgets_output_next_token(resp);
                            let is_empty = new_token.map(|token| token.is_empty()).unwrap_or(true);
                            if !is_empty && new_token == input.next_token.as_ref() {
                                let _ = tx.send(Err(aws_smithy_http::result::SdkError::ConstructionFailure("next token did not change, aborting paginator. This indicates an SDK or AWS service bug.".into()))).await;
                                return;
                            }
                            input.next_token = new_token.cloned();
                            is_empty
                        }
                        Err(_) => true,
                    };
                    if tx.send(resp).await.is_err() {
                        // receiving end was dropped
                        return;
                    }
                    if done {
                        return;
                    }
                }
            })
        })
    }
}

/// Paginator for [`DescribeNotificationsForBudget`](crate::operation::DescribeNotificationsForBudget)
pub struct DescribeNotificationsForBudgetPaginator<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
> {
    handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
    builder: crate::input::describe_notifications_for_budget_input::Builder,
}

impl<C, M, R> DescribeNotificationsForBudgetPaginator<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
        builder: crate::input::describe_notifications_for_budget_input::Builder,
    ) -> Self {
        Self { handle, builder }
    }

    /// Set the page size
    ///
    /// _Note: this method will override any previously set value for `max_results`_
    pub fn page_size(mut self, limit: i32) -> Self {
        self.builder.max_results = Some(limit);
        self
    }

    /// Create a flattened paginator
    ///
    /// This paginator automatically flattens results using `notifications`. Queries to the underlying service
    /// are dispatched lazily.
    pub fn items(self) -> crate::paginator::DescribeNotificationsForBudgetPaginatorItems<C, M, R> {
        crate::paginator::DescribeNotificationsForBudgetPaginatorItems(self)
    }

    /// Create the pagination stream
    ///
    /// _Note:_ No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next)).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::output::DescribeNotificationsForBudgetOutput,
            aws_smithy_http::result::SdkError<crate::error::DescribeNotificationsForBudgetError>,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeNotificationsForBudgetInputOperationOutputAlias,
            crate::output::DescribeNotificationsForBudgetOutput,
            crate::error::DescribeNotificationsForBudgetError,
            crate::input::DescribeNotificationsForBudgetInputOperationRetryAlias,
        >,
    {
        // Move individual fields out of self for the borrow checker
        let builder = self.builder;
        let handle = self.handle;
        aws_smithy_async::future::fn_stream::FnStream::new(move |tx| {
            Box::pin(async move {
                // Build the input for the first time. If required fields are missing, this is where we'll produce an early error.
                let mut input = match builder.build().map_err(|err| {
                    aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                }) {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input.make_operation(&handle.conf).await.map_err(|err| {
                        aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                    }) {
                        Ok(op) => op,
                        Err(e) => {
                            let _ = tx.send(Err(e)).await;
                            return;
                        }
                    };
                    let resp = handle.client.call(op).await;
                    // If the input member is None or it was an error
                    let done = match resp {
                        Ok(ref resp) => {
                            let new_token = crate::lens::reflens_structure_crate_output_describe_notifications_for_budget_output_next_token(resp);
                            let is_empty = new_token.map(|token| token.is_empty()).unwrap_or(true);
                            if !is_empty && new_token == input.next_token.as_ref() {
                                let _ = tx.send(Err(aws_smithy_http::result::SdkError::ConstructionFailure("next token did not change, aborting paginator. This indicates an SDK or AWS service bug.".into()))).await;
                                return;
                            }
                            input.next_token = new_token.cloned();
                            is_empty
                        }
                        Err(_) => true,
                    };
                    if tx.send(resp).await.is_err() {
                        // receiving end was dropped
                        return;
                    }
                    if done {
                        return;
                    }
                }
            })
        })
    }
}

/// Paginator for [`DescribeSubscribersForNotification`](crate::operation::DescribeSubscribersForNotification)
pub struct DescribeSubscribersForNotificationPaginator<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
> {
    handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
    builder: crate::input::describe_subscribers_for_notification_input::Builder,
}

impl<C, M, R> DescribeSubscribersForNotificationPaginator<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle<C, M, R>>,
        builder: crate::input::describe_subscribers_for_notification_input::Builder,
    ) -> Self {
        Self { handle, builder }
    }

    /// Set the page size
    ///
    /// _Note: this method will override any previously set value for `max_results`_
    pub fn page_size(mut self, limit: i32) -> Self {
        self.builder.max_results = Some(limit);
        self
    }

    /// Create a flattened paginator
    ///
    /// This paginator automatically flattens results using `subscribers`. Queries to the underlying service
    /// are dispatched lazily.
    pub fn items(
        self,
    ) -> crate::paginator::DescribeSubscribersForNotificationPaginatorItems<C, M, R> {
        crate::paginator::DescribeSubscribersForNotificationPaginatorItems(self)
    }

    /// Create the pagination stream
    ///
    /// _Note:_ No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next)).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::output::DescribeSubscribersForNotificationOutput,
            aws_smithy_http::result::SdkError<
                crate::error::DescribeSubscribersForNotificationError,
            >,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeSubscribersForNotificationInputOperationOutputAlias,
            crate::output::DescribeSubscribersForNotificationOutput,
            crate::error::DescribeSubscribersForNotificationError,
            crate::input::DescribeSubscribersForNotificationInputOperationRetryAlias,
        >,
    {
        // Move individual fields out of self for the borrow checker
        let builder = self.builder;
        let handle = self.handle;
        aws_smithy_async::future::fn_stream::FnStream::new(move |tx| {
            Box::pin(async move {
                // Build the input for the first time. If required fields are missing, this is where we'll produce an early error.
                let mut input = match builder.build().map_err(|err| {
                    aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                }) {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input.make_operation(&handle.conf).await.map_err(|err| {
                        aws_smithy_http::result::SdkError::ConstructionFailure(err.into())
                    }) {
                        Ok(op) => op,
                        Err(e) => {
                            let _ = tx.send(Err(e)).await;
                            return;
                        }
                    };
                    let resp = handle.client.call(op).await;
                    // If the input member is None or it was an error
                    let done = match resp {
                        Ok(ref resp) => {
                            let new_token = crate::lens::reflens_structure_crate_output_describe_subscribers_for_notification_output_next_token(resp);
                            let is_empty = new_token.map(|token| token.is_empty()).unwrap_or(true);
                            if !is_empty && new_token == input.next_token.as_ref() {
                                let _ = tx.send(Err(aws_smithy_http::result::SdkError::ConstructionFailure("next token did not change, aborting paginator. This indicates an SDK or AWS service bug.".into()))).await;
                                return;
                            }
                            input.next_token = new_token.cloned();
                            is_empty
                        }
                        Err(_) => true,
                    };
                    if tx.send(resp).await.is_err() {
                        // receiving end was dropped
                        return;
                    }
                    if done {
                        return;
                    }
                }
            })
        })
    }
}

/// Flattened paginator for `DescribeBudgetActionHistoriesPaginator`
///
/// This is created with [`.items()`](DescribeBudgetActionHistoriesPaginator::items)
pub struct DescribeBudgetActionHistoriesPaginatorItems<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
>(DescribeBudgetActionHistoriesPaginator<C, M, R>);

impl<C, M, R> DescribeBudgetActionHistoriesPaginatorItems<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create the pagination stream
    ///
    /// _Note: No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next))._
    ///
    /// To read the entirety of the paginator, use [`.collect::<Result<Vec<_>, _>()`](tokio_stream::StreamExt::collect).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::model::ActionHistory,
            aws_smithy_http::result::SdkError<crate::error::DescribeBudgetActionHistoriesError>,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeBudgetActionHistoriesInputOperationOutputAlias,
            crate::output::DescribeBudgetActionHistoriesOutput,
            crate::error::DescribeBudgetActionHistoriesError,
            crate::input::DescribeBudgetActionHistoriesInputOperationRetryAlias,
        >,
    {
        aws_smithy_async::future::fn_stream::TryFlatMap::new(self.0.send()).flat_map(|page| crate::lens::lens_structure_crate_output_describe_budget_action_histories_output_action_histories(page).unwrap_or_default().into_iter())
    }
}

/// Flattened paginator for `DescribeBudgetActionsForAccountPaginator`
///
/// This is created with [`.items()`](DescribeBudgetActionsForAccountPaginator::items)
pub struct DescribeBudgetActionsForAccountPaginatorItems<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
>(DescribeBudgetActionsForAccountPaginator<C, M, R>);

impl<C, M, R> DescribeBudgetActionsForAccountPaginatorItems<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create the pagination stream
    ///
    /// _Note: No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next))._
    ///
    /// To read the entirety of the paginator, use [`.collect::<Result<Vec<_>, _>()`](tokio_stream::StreamExt::collect).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::model::Action,
            aws_smithy_http::result::SdkError<crate::error::DescribeBudgetActionsForAccountError>,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeBudgetActionsForAccountInputOperationOutputAlias,
            crate::output::DescribeBudgetActionsForAccountOutput,
            crate::error::DescribeBudgetActionsForAccountError,
            crate::input::DescribeBudgetActionsForAccountInputOperationRetryAlias,
        >,
    {
        aws_smithy_async::future::fn_stream::TryFlatMap::new(self.0.send()).flat_map(|page| crate::lens::lens_structure_crate_output_describe_budget_actions_for_account_output_actions(page).unwrap_or_default().into_iter())
    }
}

/// Flattened paginator for `DescribeBudgetActionsForBudgetPaginator`
///
/// This is created with [`.items()`](DescribeBudgetActionsForBudgetPaginator::items)
pub struct DescribeBudgetActionsForBudgetPaginatorItems<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
>(DescribeBudgetActionsForBudgetPaginator<C, M, R>);

impl<C, M, R> DescribeBudgetActionsForBudgetPaginatorItems<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create the pagination stream
    ///
    /// _Note: No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next))._
    ///
    /// To read the entirety of the paginator, use [`.collect::<Result<Vec<_>, _>()`](tokio_stream::StreamExt::collect).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::model::Action,
            aws_smithy_http::result::SdkError<crate::error::DescribeBudgetActionsForBudgetError>,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeBudgetActionsForBudgetInputOperationOutputAlias,
            crate::output::DescribeBudgetActionsForBudgetOutput,
            crate::error::DescribeBudgetActionsForBudgetError,
            crate::input::DescribeBudgetActionsForBudgetInputOperationRetryAlias,
        >,
    {
        aws_smithy_async::future::fn_stream::TryFlatMap::new(self.0.send()).flat_map(|page| crate::lens::lens_structure_crate_output_describe_budget_actions_for_budget_output_actions(page).unwrap_or_default().into_iter())
    }
}

/// Flattened paginator for `DescribeBudgetsPaginator`
///
/// This is created with [`.items()`](DescribeBudgetsPaginator::items)
pub struct DescribeBudgetsPaginatorItems<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
>(DescribeBudgetsPaginator<C, M, R>);

impl<C, M, R> DescribeBudgetsPaginatorItems<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create the pagination stream
    ///
    /// _Note: No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next))._
    ///
    /// To read the entirety of the paginator, use [`.collect::<Result<Vec<_>, _>()`](tokio_stream::StreamExt::collect).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::model::Budget,
            aws_smithy_http::result::SdkError<crate::error::DescribeBudgetsError>,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeBudgetsInputOperationOutputAlias,
            crate::output::DescribeBudgetsOutput,
            crate::error::DescribeBudgetsError,
            crate::input::DescribeBudgetsInputOperationRetryAlias,
        >,
    {
        aws_smithy_async::future::fn_stream::TryFlatMap::new(self.0.send()).flat_map(|page| {
            crate::lens::lens_structure_crate_output_describe_budgets_output_budgets(page)
                .unwrap_or_default()
                .into_iter()
        })
    }
}

/// Flattened paginator for `DescribeNotificationsForBudgetPaginator`
///
/// This is created with [`.items()`](DescribeNotificationsForBudgetPaginator::items)
pub struct DescribeNotificationsForBudgetPaginatorItems<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
>(DescribeNotificationsForBudgetPaginator<C, M, R>);

impl<C, M, R> DescribeNotificationsForBudgetPaginatorItems<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create the pagination stream
    ///
    /// _Note: No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next))._
    ///
    /// To read the entirety of the paginator, use [`.collect::<Result<Vec<_>, _>()`](tokio_stream::StreamExt::collect).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::model::Notification,
            aws_smithy_http::result::SdkError<crate::error::DescribeNotificationsForBudgetError>,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeNotificationsForBudgetInputOperationOutputAlias,
            crate::output::DescribeNotificationsForBudgetOutput,
            crate::error::DescribeNotificationsForBudgetError,
            crate::input::DescribeNotificationsForBudgetInputOperationRetryAlias,
        >,
    {
        aws_smithy_async::future::fn_stream::TryFlatMap::new(self.0.send()).flat_map(|page| crate::lens::lens_structure_crate_output_describe_notifications_for_budget_output_notifications(page).unwrap_or_default().into_iter())
    }
}

/// Flattened paginator for `DescribeSubscribersForNotificationPaginator`
///
/// This is created with [`.items()`](DescribeSubscribersForNotificationPaginator::items)
pub struct DescribeSubscribersForNotificationPaginatorItems<
    C = aws_smithy_client::erase::DynConnector,
    M = crate::middleware::DefaultMiddleware,
    R = aws_smithy_client::retry::Standard,
>(DescribeSubscribersForNotificationPaginator<C, M, R>);

impl<C, M, R> DescribeSubscribersForNotificationPaginatorItems<C, M, R>
where
    C: aws_smithy_client::bounds::SmithyConnector,
    M: aws_smithy_client::bounds::SmithyMiddleware<C>,
    R: aws_smithy_client::retry::NewRequestPolicy,
{
    /// Create the pagination stream
    ///
    /// _Note: No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next))._
    ///
    /// To read the entirety of the paginator, use [`.collect::<Result<Vec<_>, _>()`](tokio_stream::StreamExt::collect).
    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::model::Subscriber,
            aws_smithy_http::result::SdkError<
                crate::error::DescribeSubscribersForNotificationError,
            >,
        >,
    > + Unpin
    where
        R::Policy: aws_smithy_client::bounds::SmithyRetryPolicy<
            crate::input::DescribeSubscribersForNotificationInputOperationOutputAlias,
            crate::output::DescribeSubscribersForNotificationOutput,
            crate::error::DescribeSubscribersForNotificationError,
            crate::input::DescribeSubscribersForNotificationInputOperationRetryAlias,
        >,
    {
        aws_smithy_async::future::fn_stream::TryFlatMap::new(self.0.send()).flat_map(|page| crate::lens::lens_structure_crate_output_describe_subscribers_for_notification_output_subscribers(page).unwrap_or_default().into_iter())
    }
}