aws-sdk-lexmodelsv2 0.24.0

AWS SDK for Amazon Lex Model Building V2
Documentation
// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
/// Paginator for [`ListAggregatedUtterances`](crate::operation::ListAggregatedUtterances)
pub struct ListAggregatedUtterancesPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_aggregated_utterances_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListAggregatedUtterancesPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_aggregated_utterances_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListAggregatedUtterancesOutput,
            aws_smithy_http::result::SdkError<crate::error::ListAggregatedUtterancesError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_aggregated_utterances_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListBotAliases`](crate::operation::ListBotAliases)
pub struct ListBotAliasesPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_bot_aliases_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListBotAliasesPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_bot_aliases_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListBotAliasesOutput,
            aws_smithy_http::result::SdkError<crate::error::ListBotAliasesError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_bot_aliases_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListBotLocales`](crate::operation::ListBotLocales)
pub struct ListBotLocalesPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_bot_locales_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListBotLocalesPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_bot_locales_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListBotLocalesOutput,
            aws_smithy_http::result::SdkError<crate::error::ListBotLocalesError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_bot_locales_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListBotRecommendations`](crate::operation::ListBotRecommendations)
pub struct ListBotRecommendationsPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_bot_recommendations_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListBotRecommendationsPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_bot_recommendations_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListBotRecommendationsOutput,
            aws_smithy_http::result::SdkError<crate::error::ListBotRecommendationsError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_bot_recommendations_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListBots`](crate::operation::ListBots)
pub struct ListBotsPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_bots_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListBotsPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_bots_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListBotsOutput,
            aws_smithy_http::result::SdkError<crate::error::ListBotsError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_bots_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListBotVersions`](crate::operation::ListBotVersions)
pub struct ListBotVersionsPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_bot_versions_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListBotVersionsPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_bot_versions_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListBotVersionsOutput,
            aws_smithy_http::result::SdkError<crate::error::ListBotVersionsError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_bot_versions_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListBuiltInIntents`](crate::operation::ListBuiltInIntents)
pub struct ListBuiltInIntentsPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_built_in_intents_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListBuiltInIntentsPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_built_in_intents_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListBuiltInIntentsOutput,
            aws_smithy_http::result::SdkError<crate::error::ListBuiltInIntentsError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_built_in_intents_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListBuiltInSlotTypes`](crate::operation::ListBuiltInSlotTypes)
pub struct ListBuiltInSlotTypesPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_built_in_slot_types_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListBuiltInSlotTypesPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_built_in_slot_types_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListBuiltInSlotTypesOutput,
            aws_smithy_http::result::SdkError<crate::error::ListBuiltInSlotTypesError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_built_in_slot_types_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListCustomVocabularyItems`](crate::operation::ListCustomVocabularyItems)
pub struct ListCustomVocabularyItemsPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_custom_vocabulary_items_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListCustomVocabularyItemsPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_custom_vocabulary_items_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListCustomVocabularyItemsOutput,
            aws_smithy_http::result::SdkError<crate::error::ListCustomVocabularyItemsError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_custom_vocabulary_items_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListExports`](crate::operation::ListExports)
pub struct ListExportsPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_exports_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListExportsPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_exports_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListExportsOutput,
            aws_smithy_http::result::SdkError<crate::error::ListExportsError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_exports_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListImports`](crate::operation::ListImports)
pub struct ListImportsPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_imports_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListImportsPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_imports_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListImportsOutput,
            aws_smithy_http::result::SdkError<crate::error::ListImportsError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_imports_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListIntents`](crate::operation::ListIntents)
pub struct ListIntentsPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_intents_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListIntentsPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_intents_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListIntentsOutput,
            aws_smithy_http::result::SdkError<crate::error::ListIntentsError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_intents_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListRecommendedIntents`](crate::operation::ListRecommendedIntents)
pub struct ListRecommendedIntentsPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_recommended_intents_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListRecommendedIntentsPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_recommended_intents_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListRecommendedIntentsOutput,
            aws_smithy_http::result::SdkError<crate::error::ListRecommendedIntentsError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_recommended_intents_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListSlots`](crate::operation::ListSlots)
pub struct ListSlotsPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_slots_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListSlotsPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_slots_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListSlotsOutput,
            aws_smithy_http::result::SdkError<crate::error::ListSlotsError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_slots_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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 [`ListSlotTypes`](crate::operation::ListSlotTypes)
pub struct ListSlotTypesPaginator {
    handle: std::sync::Arc<crate::client::Handle>,
    builder: crate::input::list_slot_types_input::Builder,
    stop_on_duplicate_token: bool,
}

impl ListSlotTypesPaginator {
    /// Create a new paginator-wrapper
    pub(crate) fn new(
        handle: std::sync::Arc<crate::client::Handle>,
        builder: crate::input::list_slot_types_input::Builder,
    ) -> Self {
        Self {
            handle,
            builder,
            stop_on_duplicate_token: true,
        }
    }

    /// 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
    }

    /// Stop paginating when the service returns the same pagination token twice in a row.
    ///
    /// Defaults to true.
    ///
    /// For certain operations, it may be useful to continue on duplicate token. For example,
    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
    /// This option can be set to `false` to accommodate these use cases.
    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
        self.stop_on_duplicate_token = stop_on_duplicate_token;
        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::ListSlotTypesOutput,
            aws_smithy_http::result::SdkError<crate::error::ListSlotTypesError>,
        >,
    > + Unpin {
        // 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(aws_smithy_http::result::SdkError::construction_failure)
                {
                    Ok(input) => input,
                    Err(e) => {
                        let _ = tx.send(Err(e)).await;
                        return;
                    }
                };
                loop {
                    let op = match input
                        .make_operation(&handle.conf)
                        .await
                        .map_err(aws_smithy_http::result::SdkError::construction_failure)
                    {
                        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_list_slot_types_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()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                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;
                    }
                }
            })
        })
    }
}