google_cloud_datastream_v1/

builder.rs

// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Code generated by sidekick. DO NOT EDIT.

pub mod datastream {
    use crate::Result;

    /// A builder for [Datastream][crate::client::Datastream].
    ///
    /// ```
    /// # tokio_test::block_on(async {
    /// # use google_cloud_datastream_v1::*;
    /// # use builder::datastream::ClientBuilder;
    /// # use client::Datastream;
    /// let builder : ClientBuilder = Datastream::builder();
    /// let client = builder
    ///     .with_endpoint("https://datastream.googleapis.com")
    ///     .build().await?;
    /// # gax::client_builder::Result::<()>::Ok(()) });
    /// ```
    pub type ClientBuilder =
        gax::client_builder::ClientBuilder<client::Factory, gaxi::options::Credentials>;

    pub(crate) mod client {
        use super::super::super::client::Datastream;
        pub struct Factory;
        impl gax::client_builder::internal::ClientFactory for Factory {
            type Client = Datastream;
            type Credentials = gaxi::options::Credentials;
            async fn build(
                self,
                config: gaxi::options::ClientConfig,
            ) -> gax::client_builder::Result<Self::Client> {
                Self::Client::new(config).await
            }
        }
    }

    /// Common implementation for [crate::client::Datastream] request builders.
    #[derive(Clone, Debug)]
    pub(crate) struct RequestBuilder<R: std::default::Default> {
        stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        request: R,
        options: gax::options::RequestOptions,
    }

    impl<R> RequestBuilder<R>
    where
        R: std::default::Default,
    {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self {
                stub,
                request: R::default(),
                options: gax::options::RequestOptions::default(),
            }
        }
    }

    /// The request builder for [Datastream::list_connection_profiles][crate::client::Datastream::list_connection_profiles] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::ListConnectionProfiles;
    /// # tokio_test::block_on(async {
    /// use gax::paginator::ItemPaginator;
    ///
    /// let builder = prepare_request_builder();
    /// let mut items = builder.by_item();
    /// while let Some(result) = items.next().await {
    ///   let item = result?;
    /// }
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> ListConnectionProfiles {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListConnectionProfiles(RequestBuilder<crate::model::ListConnectionProfilesRequest>);

    impl ListConnectionProfiles {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::ListConnectionProfilesRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::ListConnectionProfilesResponse> {
            (*self.0.stub)
                .list_connection_profiles(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Streams each page in the collection.
        pub fn by_page(
            self,
        ) -> impl gax::paginator::Paginator<
            crate::model::ListConnectionProfilesResponse,
            gax::error::Error,
        > {
            use std::clone::Clone;
            let token = self.0.request.page_token.clone();
            let execute = move |token: String| {
                let mut builder = self.clone();
                builder.0.request = builder.0.request.set_page_token(token);
                builder.send()
            };
            gax::paginator::internal::new_paginator(token, execute)
        }

        /// Streams each item in the collection.
        pub fn by_item(
            self,
        ) -> impl gax::paginator::ItemPaginator<
            crate::model::ListConnectionProfilesResponse,
            gax::error::Error,
        > {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

        /// Sets the value of [parent][crate::model::ListConnectionProfilesRequest::parent].
        ///
        /// This is a **required** field for requests.
        pub fn set_parent<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.parent = v.into();
            self
        }

        /// Sets the value of [page_size][crate::model::ListConnectionProfilesRequest::page_size].
        pub fn set_page_size<T: Into<i32>>(mut self, v: T) -> Self {
            self.0.request.page_size = v.into();
            self
        }

        /// Sets the value of [page_token][crate::model::ListConnectionProfilesRequest::page_token].
        pub fn set_page_token<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.page_token = v.into();
            self
        }

        /// Sets the value of [filter][crate::model::ListConnectionProfilesRequest::filter].
        pub fn set_filter<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.filter = v.into();
            self
        }

        /// Sets the value of [order_by][crate::model::ListConnectionProfilesRequest::order_by].
        pub fn set_order_by<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.order_by = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for ListConnectionProfiles {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::get_connection_profile][crate::client::Datastream::get_connection_profile] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::GetConnectionProfile;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> GetConnectionProfile {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct GetConnectionProfile(RequestBuilder<crate::model::GetConnectionProfileRequest>);

    impl GetConnectionProfile {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::GetConnectionProfileRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::ConnectionProfile> {
            (*self.0.stub)
                .get_connection_profile(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][crate::model::GetConnectionProfileRequest::name].
        ///
        /// This is a **required** field for requests.
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for GetConnectionProfile {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::create_connection_profile][crate::client::Datastream::create_connection_profile] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::CreateConnectionProfile;
    /// # tokio_test::block_on(async {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> CreateConnectionProfile {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct CreateConnectionProfile(
        RequestBuilder<crate::model::CreateConnectionProfileRequest>,
    );

    impl CreateConnectionProfile {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::CreateConnectionProfileRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        ///
        /// # Long running operations
        ///
        /// This starts, but does not poll, a longrunning operation. More information
        /// on [create_connection_profile][crate::client::Datastream::create_connection_profile].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .create_connection_profile(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `create_connection_profile`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::ConnectionProfile, crate::model::OperationMetadata>
        {
            type Operation = lro::internal::Operation<
                crate::model::ConnectionProfile,
                crate::model::OperationMetadata,
            >;
            let polling_error_policy = self.0.stub.get_polling_error_policy(&self.0.options);
            let polling_backoff_policy = self.0.stub.get_polling_backoff_policy(&self.0.options);

            let stub = self.0.stub.clone();
            let mut options = self.0.options.clone();
            options.set_retry_policy(gax::retry_policy::NeverRetry);
            let query = move |name| {
                let stub = stub.clone();
                let options = options.clone();
                async {
                    let op = GetOperation::new(stub)
                        .set_name(name)
                        .with_options(options)
                        .send()
                        .await?;
                    Ok(Operation::new(op))
                }
            };

            let start = move || async {
                let op = self.send().await?;
                Ok(Operation::new(op))
            };

            lro::internal::new_poller(polling_error_policy, polling_backoff_policy, start, query)
        }

        /// Sets the value of [parent][crate::model::CreateConnectionProfileRequest::parent].
        ///
        /// This is a **required** field for requests.
        pub fn set_parent<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.parent = v.into();
            self
        }

        /// Sets the value of [connection_profile_id][crate::model::CreateConnectionProfileRequest::connection_profile_id].
        ///
        /// This is a **required** field for requests.
        pub fn set_connection_profile_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.connection_profile_id = v.into();
            self
        }

        /// Sets the value of [connection_profile][crate::model::CreateConnectionProfileRequest::connection_profile].
        ///
        /// This is a **required** field for requests.
        pub fn set_connection_profile<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<crate::model::ConnectionProfile>,
        {
            self.0.request.connection_profile = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [connection_profile][crate::model::CreateConnectionProfileRequest::connection_profile].
        ///
        /// This is a **required** field for requests.
        pub fn set_or_clear_connection_profile<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<crate::model::ConnectionProfile>,
        {
            self.0.request.connection_profile = v.map(|x| x.into());
            self
        }

        /// Sets the value of [request_id][crate::model::CreateConnectionProfileRequest::request_id].
        pub fn set_request_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.request_id = v.into();
            self
        }

        /// Sets the value of [validate_only][crate::model::CreateConnectionProfileRequest::validate_only].
        pub fn set_validate_only<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.validate_only = v.into();
            self
        }

        /// Sets the value of [force][crate::model::CreateConnectionProfileRequest::force].
        pub fn set_force<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.force = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for CreateConnectionProfile {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::update_connection_profile][crate::client::Datastream::update_connection_profile] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::UpdateConnectionProfile;
    /// # tokio_test::block_on(async {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> UpdateConnectionProfile {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct UpdateConnectionProfile(
        RequestBuilder<crate::model::UpdateConnectionProfileRequest>,
    );

    impl UpdateConnectionProfile {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::UpdateConnectionProfileRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        ///
        /// # Long running operations
        ///
        /// This starts, but does not poll, a longrunning operation. More information
        /// on [update_connection_profile][crate::client::Datastream::update_connection_profile].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .update_connection_profile(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `update_connection_profile`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::ConnectionProfile, crate::model::OperationMetadata>
        {
            type Operation = lro::internal::Operation<
                crate::model::ConnectionProfile,
                crate::model::OperationMetadata,
            >;
            let polling_error_policy = self.0.stub.get_polling_error_policy(&self.0.options);
            let polling_backoff_policy = self.0.stub.get_polling_backoff_policy(&self.0.options);

            let stub = self.0.stub.clone();
            let mut options = self.0.options.clone();
            options.set_retry_policy(gax::retry_policy::NeverRetry);
            let query = move |name| {
                let stub = stub.clone();
                let options = options.clone();
                async {
                    let op = GetOperation::new(stub)
                        .set_name(name)
                        .with_options(options)
                        .send()
                        .await?;
                    Ok(Operation::new(op))
                }
            };

            let start = move || async {
                let op = self.send().await?;
                Ok(Operation::new(op))
            };

            lro::internal::new_poller(polling_error_policy, polling_backoff_policy, start, query)
        }

        /// Sets the value of [update_mask][crate::model::UpdateConnectionProfileRequest::update_mask].
        pub fn set_update_mask<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<wkt::FieldMask>,
        {
            self.0.request.update_mask = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [update_mask][crate::model::UpdateConnectionProfileRequest::update_mask].
        pub fn set_or_clear_update_mask<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<wkt::FieldMask>,
        {
            self.0.request.update_mask = v.map(|x| x.into());
            self
        }

        /// Sets the value of [connection_profile][crate::model::UpdateConnectionProfileRequest::connection_profile].
        ///
        /// This is a **required** field for requests.
        pub fn set_connection_profile<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<crate::model::ConnectionProfile>,
        {
            self.0.request.connection_profile = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [connection_profile][crate::model::UpdateConnectionProfileRequest::connection_profile].
        ///
        /// This is a **required** field for requests.
        pub fn set_or_clear_connection_profile<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<crate::model::ConnectionProfile>,
        {
            self.0.request.connection_profile = v.map(|x| x.into());
            self
        }

        /// Sets the value of [request_id][crate::model::UpdateConnectionProfileRequest::request_id].
        pub fn set_request_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.request_id = v.into();
            self
        }

        /// Sets the value of [validate_only][crate::model::UpdateConnectionProfileRequest::validate_only].
        pub fn set_validate_only<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.validate_only = v.into();
            self
        }

        /// Sets the value of [force][crate::model::UpdateConnectionProfileRequest::force].
        pub fn set_force<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.force = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for UpdateConnectionProfile {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::delete_connection_profile][crate::client::Datastream::delete_connection_profile] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::DeleteConnectionProfile;
    /// # tokio_test::block_on(async {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> DeleteConnectionProfile {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct DeleteConnectionProfile(
        RequestBuilder<crate::model::DeleteConnectionProfileRequest>,
    );

    impl DeleteConnectionProfile {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::DeleteConnectionProfileRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        ///
        /// # Long running operations
        ///
        /// This starts, but does not poll, a longrunning operation. More information
        /// on [delete_connection_profile][crate::client::Datastream::delete_connection_profile].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .delete_connection_profile(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `delete_connection_profile`.
        pub fn poller(self) -> impl lro::Poller<(), crate::model::OperationMetadata> {
            type Operation = lro::internal::Operation<wkt::Empty, crate::model::OperationMetadata>;
            let polling_error_policy = self.0.stub.get_polling_error_policy(&self.0.options);
            let polling_backoff_policy = self.0.stub.get_polling_backoff_policy(&self.0.options);

            let stub = self.0.stub.clone();
            let mut options = self.0.options.clone();
            options.set_retry_policy(gax::retry_policy::NeverRetry);
            let query = move |name| {
                let stub = stub.clone();
                let options = options.clone();
                async {
                    let op = GetOperation::new(stub)
                        .set_name(name)
                        .with_options(options)
                        .send()
                        .await?;
                    Ok(Operation::new(op))
                }
            };

            let start = move || async {
                let op = self.send().await?;
                Ok(Operation::new(op))
            };

            lro::internal::new_unit_response_poller(
                polling_error_policy,
                polling_backoff_policy,
                start,
                query,
            )
        }

        /// Sets the value of [name][crate::model::DeleteConnectionProfileRequest::name].
        ///
        /// This is a **required** field for requests.
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }

        /// Sets the value of [request_id][crate::model::DeleteConnectionProfileRequest::request_id].
        pub fn set_request_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.request_id = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for DeleteConnectionProfile {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::discover_connection_profile][crate::client::Datastream::discover_connection_profile] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::DiscoverConnectionProfile;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> DiscoverConnectionProfile {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct DiscoverConnectionProfile(
        RequestBuilder<crate::model::DiscoverConnectionProfileRequest>,
    );

    impl DiscoverConnectionProfile {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::DiscoverConnectionProfileRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::DiscoverConnectionProfileResponse> {
            (*self.0.stub)
                .discover_connection_profile(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [parent][crate::model::DiscoverConnectionProfileRequest::parent].
        ///
        /// This is a **required** field for requests.
        pub fn set_parent<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.parent = v.into();
            self
        }

        /// Sets the value of [target][crate::model::DiscoverConnectionProfileRequest::target].
        ///
        /// Note that all the setters affecting `target` are
        /// mutually exclusive.
        pub fn set_target<
            T: Into<Option<crate::model::discover_connection_profile_request::Target>>,
        >(
            mut self,
            v: T,
        ) -> Self {
            self.0.request.target = v.into();
            self
        }

        /// Sets the value of [target][crate::model::DiscoverConnectionProfileRequest::target]
        /// to hold a `ConnectionProfile`.
        ///
        /// Note that all the setters affecting `target` are
        /// mutually exclusive.
        pub fn set_connection_profile<
            T: std::convert::Into<std::boxed::Box<crate::model::ConnectionProfile>>,
        >(
            mut self,
            v: T,
        ) -> Self {
            self.0.request = self.0.request.set_connection_profile(v);
            self
        }

        /// Sets the value of [target][crate::model::DiscoverConnectionProfileRequest::target]
        /// to hold a `ConnectionProfileName`.
        ///
        /// Note that all the setters affecting `target` are
        /// mutually exclusive.
        pub fn set_connection_profile_name<T: std::convert::Into<std::string::String>>(
            mut self,
            v: T,
        ) -> Self {
            self.0.request = self.0.request.set_connection_profile_name(v);
            self
        }

        /// Sets the value of [hierarchy][crate::model::DiscoverConnectionProfileRequest::hierarchy].
        ///
        /// Note that all the setters affecting `hierarchy` are
        /// mutually exclusive.
        pub fn set_hierarchy<
            T: Into<Option<crate::model::discover_connection_profile_request::Hierarchy>>,
        >(
            mut self,
            v: T,
        ) -> Self {
            self.0.request.hierarchy = v.into();
            self
        }

        /// Sets the value of [hierarchy][crate::model::DiscoverConnectionProfileRequest::hierarchy]
        /// to hold a `FullHierarchy`.
        ///
        /// Note that all the setters affecting `hierarchy` are
        /// mutually exclusive.
        pub fn set_full_hierarchy<T: std::convert::Into<bool>>(mut self, v: T) -> Self {
            self.0.request = self.0.request.set_full_hierarchy(v);
            self
        }

        /// Sets the value of [hierarchy][crate::model::DiscoverConnectionProfileRequest::hierarchy]
        /// to hold a `HierarchyDepth`.
        ///
        /// Note that all the setters affecting `hierarchy` are
        /// mutually exclusive.
        pub fn set_hierarchy_depth<T: std::convert::Into<i32>>(mut self, v: T) -> Self {
            self.0.request = self.0.request.set_hierarchy_depth(v);
            self
        }

        /// Sets the value of [data_object][crate::model::DiscoverConnectionProfileRequest::data_object].
        ///
        /// Note that all the setters affecting `data_object` are
        /// mutually exclusive.
        pub fn set_data_object<
            T: Into<Option<crate::model::discover_connection_profile_request::DataObject>>,
        >(
            mut self,
            v: T,
        ) -> Self {
            self.0.request.data_object = v.into();
            self
        }

        /// Sets the value of [data_object][crate::model::DiscoverConnectionProfileRequest::data_object]
        /// to hold a `OracleRdbms`.
        ///
        /// Note that all the setters affecting `data_object` are
        /// mutually exclusive.
        pub fn set_oracle_rdbms<
            T: std::convert::Into<std::boxed::Box<crate::model::OracleRdbms>>,
        >(
            mut self,
            v: T,
        ) -> Self {
            self.0.request = self.0.request.set_oracle_rdbms(v);
            self
        }

        /// Sets the value of [data_object][crate::model::DiscoverConnectionProfileRequest::data_object]
        /// to hold a `MysqlRdbms`.
        ///
        /// Note that all the setters affecting `data_object` are
        /// mutually exclusive.
        pub fn set_mysql_rdbms<T: std::convert::Into<std::boxed::Box<crate::model::MysqlRdbms>>>(
            mut self,
            v: T,
        ) -> Self {
            self.0.request = self.0.request.set_mysql_rdbms(v);
            self
        }

        /// Sets the value of [data_object][crate::model::DiscoverConnectionProfileRequest::data_object]
        /// to hold a `PostgresqlRdbms`.
        ///
        /// Note that all the setters affecting `data_object` are
        /// mutually exclusive.
        pub fn set_postgresql_rdbms<
            T: std::convert::Into<std::boxed::Box<crate::model::PostgresqlRdbms>>,
        >(
            mut self,
            v: T,
        ) -> Self {
            self.0.request = self.0.request.set_postgresql_rdbms(v);
            self
        }

        /// Sets the value of [data_object][crate::model::DiscoverConnectionProfileRequest::data_object]
        /// to hold a `SqlServerRdbms`.
        ///
        /// Note that all the setters affecting `data_object` are
        /// mutually exclusive.
        pub fn set_sql_server_rdbms<
            T: std::convert::Into<std::boxed::Box<crate::model::SqlServerRdbms>>,
        >(
            mut self,
            v: T,
        ) -> Self {
            self.0.request = self.0.request.set_sql_server_rdbms(v);
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for DiscoverConnectionProfile {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::list_streams][crate::client::Datastream::list_streams] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::ListStreams;
    /// # tokio_test::block_on(async {
    /// use gax::paginator::ItemPaginator;
    ///
    /// let builder = prepare_request_builder();
    /// let mut items = builder.by_item();
    /// while let Some(result) = items.next().await {
    ///   let item = result?;
    /// }
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> ListStreams {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListStreams(RequestBuilder<crate::model::ListStreamsRequest>);

    impl ListStreams {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::ListStreamsRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::ListStreamsResponse> {
            (*self.0.stub)
                .list_streams(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Streams each page in the collection.
        pub fn by_page(
            self,
        ) -> impl gax::paginator::Paginator<crate::model::ListStreamsResponse, gax::error::Error>
        {
            use std::clone::Clone;
            let token = self.0.request.page_token.clone();
            let execute = move |token: String| {
                let mut builder = self.clone();
                builder.0.request = builder.0.request.set_page_token(token);
                builder.send()
            };
            gax::paginator::internal::new_paginator(token, execute)
        }

        /// Streams each item in the collection.
        pub fn by_item(
            self,
        ) -> impl gax::paginator::ItemPaginator<crate::model::ListStreamsResponse, gax::error::Error>
        {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

        /// Sets the value of [parent][crate::model::ListStreamsRequest::parent].
        ///
        /// This is a **required** field for requests.
        pub fn set_parent<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.parent = v.into();
            self
        }

        /// Sets the value of [page_size][crate::model::ListStreamsRequest::page_size].
        pub fn set_page_size<T: Into<i32>>(mut self, v: T) -> Self {
            self.0.request.page_size = v.into();
            self
        }

        /// Sets the value of [page_token][crate::model::ListStreamsRequest::page_token].
        pub fn set_page_token<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.page_token = v.into();
            self
        }

        /// Sets the value of [filter][crate::model::ListStreamsRequest::filter].
        pub fn set_filter<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.filter = v.into();
            self
        }

        /// Sets the value of [order_by][crate::model::ListStreamsRequest::order_by].
        pub fn set_order_by<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.order_by = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for ListStreams {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::get_stream][crate::client::Datastream::get_stream] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::GetStream;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> GetStream {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct GetStream(RequestBuilder<crate::model::GetStreamRequest>);

    impl GetStream {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::GetStreamRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::Stream> {
            (*self.0.stub)
                .get_stream(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][crate::model::GetStreamRequest::name].
        ///
        /// This is a **required** field for requests.
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for GetStream {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::create_stream][crate::client::Datastream::create_stream] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::CreateStream;
    /// # tokio_test::block_on(async {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> CreateStream {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct CreateStream(RequestBuilder<crate::model::CreateStreamRequest>);

    impl CreateStream {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::CreateStreamRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        ///
        /// # Long running operations
        ///
        /// This starts, but does not poll, a longrunning operation. More information
        /// on [create_stream][crate::client::Datastream::create_stream].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .create_stream(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `create_stream`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::Stream, crate::model::OperationMetadata> {
            type Operation =
                lro::internal::Operation<crate::model::Stream, crate::model::OperationMetadata>;
            let polling_error_policy = self.0.stub.get_polling_error_policy(&self.0.options);
            let polling_backoff_policy = self.0.stub.get_polling_backoff_policy(&self.0.options);

            let stub = self.0.stub.clone();
            let mut options = self.0.options.clone();
            options.set_retry_policy(gax::retry_policy::NeverRetry);
            let query = move |name| {
                let stub = stub.clone();
                let options = options.clone();
                async {
                    let op = GetOperation::new(stub)
                        .set_name(name)
                        .with_options(options)
                        .send()
                        .await?;
                    Ok(Operation::new(op))
                }
            };

            let start = move || async {
                let op = self.send().await?;
                Ok(Operation::new(op))
            };

            lro::internal::new_poller(polling_error_policy, polling_backoff_policy, start, query)
        }

        /// Sets the value of [parent][crate::model::CreateStreamRequest::parent].
        ///
        /// This is a **required** field for requests.
        pub fn set_parent<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.parent = v.into();
            self
        }

        /// Sets the value of [stream_id][crate::model::CreateStreamRequest::stream_id].
        ///
        /// This is a **required** field for requests.
        pub fn set_stream_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.stream_id = v.into();
            self
        }

        /// Sets the value of [stream][crate::model::CreateStreamRequest::stream].
        ///
        /// This is a **required** field for requests.
        pub fn set_stream<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<crate::model::Stream>,
        {
            self.0.request.stream = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [stream][crate::model::CreateStreamRequest::stream].
        ///
        /// This is a **required** field for requests.
        pub fn set_or_clear_stream<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<crate::model::Stream>,
        {
            self.0.request.stream = v.map(|x| x.into());
            self
        }

        /// Sets the value of [request_id][crate::model::CreateStreamRequest::request_id].
        pub fn set_request_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.request_id = v.into();
            self
        }

        /// Sets the value of [validate_only][crate::model::CreateStreamRequest::validate_only].
        pub fn set_validate_only<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.validate_only = v.into();
            self
        }

        /// Sets the value of [force][crate::model::CreateStreamRequest::force].
        pub fn set_force<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.force = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for CreateStream {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::update_stream][crate::client::Datastream::update_stream] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::UpdateStream;
    /// # tokio_test::block_on(async {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> UpdateStream {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct UpdateStream(RequestBuilder<crate::model::UpdateStreamRequest>);

    impl UpdateStream {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::UpdateStreamRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        ///
        /// # Long running operations
        ///
        /// This starts, but does not poll, a longrunning operation. More information
        /// on [update_stream][crate::client::Datastream::update_stream].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .update_stream(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `update_stream`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::Stream, crate::model::OperationMetadata> {
            type Operation =
                lro::internal::Operation<crate::model::Stream, crate::model::OperationMetadata>;
            let polling_error_policy = self.0.stub.get_polling_error_policy(&self.0.options);
            let polling_backoff_policy = self.0.stub.get_polling_backoff_policy(&self.0.options);

            let stub = self.0.stub.clone();
            let mut options = self.0.options.clone();
            options.set_retry_policy(gax::retry_policy::NeverRetry);
            let query = move |name| {
                let stub = stub.clone();
                let options = options.clone();
                async {
                    let op = GetOperation::new(stub)
                        .set_name(name)
                        .with_options(options)
                        .send()
                        .await?;
                    Ok(Operation::new(op))
                }
            };

            let start = move || async {
                let op = self.send().await?;
                Ok(Operation::new(op))
            };

            lro::internal::new_poller(polling_error_policy, polling_backoff_policy, start, query)
        }

        /// Sets the value of [update_mask][crate::model::UpdateStreamRequest::update_mask].
        pub fn set_update_mask<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<wkt::FieldMask>,
        {
            self.0.request.update_mask = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [update_mask][crate::model::UpdateStreamRequest::update_mask].
        pub fn set_or_clear_update_mask<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<wkt::FieldMask>,
        {
            self.0.request.update_mask = v.map(|x| x.into());
            self
        }

        /// Sets the value of [stream][crate::model::UpdateStreamRequest::stream].
        ///
        /// This is a **required** field for requests.
        pub fn set_stream<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<crate::model::Stream>,
        {
            self.0.request.stream = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [stream][crate::model::UpdateStreamRequest::stream].
        ///
        /// This is a **required** field for requests.
        pub fn set_or_clear_stream<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<crate::model::Stream>,
        {
            self.0.request.stream = v.map(|x| x.into());
            self
        }

        /// Sets the value of [request_id][crate::model::UpdateStreamRequest::request_id].
        pub fn set_request_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.request_id = v.into();
            self
        }

        /// Sets the value of [validate_only][crate::model::UpdateStreamRequest::validate_only].
        pub fn set_validate_only<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.validate_only = v.into();
            self
        }

        /// Sets the value of [force][crate::model::UpdateStreamRequest::force].
        pub fn set_force<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.force = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for UpdateStream {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::delete_stream][crate::client::Datastream::delete_stream] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::DeleteStream;
    /// # tokio_test::block_on(async {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> DeleteStream {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct DeleteStream(RequestBuilder<crate::model::DeleteStreamRequest>);

    impl DeleteStream {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::DeleteStreamRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        ///
        /// # Long running operations
        ///
        /// This starts, but does not poll, a longrunning operation. More information
        /// on [delete_stream][crate::client::Datastream::delete_stream].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .delete_stream(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `delete_stream`.
        pub fn poller(self) -> impl lro::Poller<(), crate::model::OperationMetadata> {
            type Operation = lro::internal::Operation<wkt::Empty, crate::model::OperationMetadata>;
            let polling_error_policy = self.0.stub.get_polling_error_policy(&self.0.options);
            let polling_backoff_policy = self.0.stub.get_polling_backoff_policy(&self.0.options);

            let stub = self.0.stub.clone();
            let mut options = self.0.options.clone();
            options.set_retry_policy(gax::retry_policy::NeverRetry);
            let query = move |name| {
                let stub = stub.clone();
                let options = options.clone();
                async {
                    let op = GetOperation::new(stub)
                        .set_name(name)
                        .with_options(options)
                        .send()
                        .await?;
                    Ok(Operation::new(op))
                }
            };

            let start = move || async {
                let op = self.send().await?;
                Ok(Operation::new(op))
            };

            lro::internal::new_unit_response_poller(
                polling_error_policy,
                polling_backoff_policy,
                start,
                query,
            )
        }

        /// Sets the value of [name][crate::model::DeleteStreamRequest::name].
        ///
        /// This is a **required** field for requests.
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }

        /// Sets the value of [request_id][crate::model::DeleteStreamRequest::request_id].
        pub fn set_request_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.request_id = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for DeleteStream {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::run_stream][crate::client::Datastream::run_stream] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::RunStream;
    /// # tokio_test::block_on(async {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> RunStream {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct RunStream(RequestBuilder<crate::model::RunStreamRequest>);

    impl RunStream {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::RunStreamRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        ///
        /// # Long running operations
        ///
        /// This starts, but does not poll, a longrunning operation. More information
        /// on [run_stream][crate::client::Datastream::run_stream].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .run_stream(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `run_stream`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::Stream, crate::model::OperationMetadata> {
            type Operation =
                lro::internal::Operation<crate::model::Stream, crate::model::OperationMetadata>;
            let polling_error_policy = self.0.stub.get_polling_error_policy(&self.0.options);
            let polling_backoff_policy = self.0.stub.get_polling_backoff_policy(&self.0.options);

            let stub = self.0.stub.clone();
            let mut options = self.0.options.clone();
            options.set_retry_policy(gax::retry_policy::NeverRetry);
            let query = move |name| {
                let stub = stub.clone();
                let options = options.clone();
                async {
                    let op = GetOperation::new(stub)
                        .set_name(name)
                        .with_options(options)
                        .send()
                        .await?;
                    Ok(Operation::new(op))
                }
            };

            let start = move || async {
                let op = self.send().await?;
                Ok(Operation::new(op))
            };

            lro::internal::new_poller(polling_error_policy, polling_backoff_policy, start, query)
        }

        /// Sets the value of [name][crate::model::RunStreamRequest::name].
        ///
        /// This is a **required** field for requests.
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }

        /// Sets the value of [cdc_strategy][crate::model::RunStreamRequest::cdc_strategy].
        pub fn set_cdc_strategy<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<crate::model::CdcStrategy>,
        {
            self.0.request.cdc_strategy = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [cdc_strategy][crate::model::RunStreamRequest::cdc_strategy].
        pub fn set_or_clear_cdc_strategy<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<crate::model::CdcStrategy>,
        {
            self.0.request.cdc_strategy = v.map(|x| x.into());
            self
        }

        /// Sets the value of [force][crate::model::RunStreamRequest::force].
        pub fn set_force<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.force = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for RunStream {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::get_stream_object][crate::client::Datastream::get_stream_object] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::GetStreamObject;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> GetStreamObject {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct GetStreamObject(RequestBuilder<crate::model::GetStreamObjectRequest>);

    impl GetStreamObject {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::GetStreamObjectRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::StreamObject> {
            (*self.0.stub)
                .get_stream_object(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][crate::model::GetStreamObjectRequest::name].
        ///
        /// This is a **required** field for requests.
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for GetStreamObject {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::lookup_stream_object][crate::client::Datastream::lookup_stream_object] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::LookupStreamObject;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> LookupStreamObject {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct LookupStreamObject(RequestBuilder<crate::model::LookupStreamObjectRequest>);

    impl LookupStreamObject {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::LookupStreamObjectRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::StreamObject> {
            (*self.0.stub)
                .lookup_stream_object(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [parent][crate::model::LookupStreamObjectRequest::parent].
        ///
        /// This is a **required** field for requests.
        pub fn set_parent<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.parent = v.into();
            self
        }

        /// Sets the value of [source_object_identifier][crate::model::LookupStreamObjectRequest::source_object_identifier].
        ///
        /// This is a **required** field for requests.
        pub fn set_source_object_identifier<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<crate::model::SourceObjectIdentifier>,
        {
            self.0.request.source_object_identifier = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [source_object_identifier][crate::model::LookupStreamObjectRequest::source_object_identifier].
        ///
        /// This is a **required** field for requests.
        pub fn set_or_clear_source_object_identifier<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<crate::model::SourceObjectIdentifier>,
        {
            self.0.request.source_object_identifier = v.map(|x| x.into());
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for LookupStreamObject {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::list_stream_objects][crate::client::Datastream::list_stream_objects] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::ListStreamObjects;
    /// # tokio_test::block_on(async {
    /// use gax::paginator::ItemPaginator;
    ///
    /// let builder = prepare_request_builder();
    /// let mut items = builder.by_item();
    /// while let Some(result) = items.next().await {
    ///   let item = result?;
    /// }
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> ListStreamObjects {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListStreamObjects(RequestBuilder<crate::model::ListStreamObjectsRequest>);

    impl ListStreamObjects {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::ListStreamObjectsRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::ListStreamObjectsResponse> {
            (*self.0.stub)
                .list_stream_objects(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Streams each page in the collection.
        pub fn by_page(
            self,
        ) -> impl gax::paginator::Paginator<crate::model::ListStreamObjectsResponse, gax::error::Error>
        {
            use std::clone::Clone;
            let token = self.0.request.page_token.clone();
            let execute = move |token: String| {
                let mut builder = self.clone();
                builder.0.request = builder.0.request.set_page_token(token);
                builder.send()
            };
            gax::paginator::internal::new_paginator(token, execute)
        }

        /// Streams each item in the collection.
        pub fn by_item(
            self,
        ) -> impl gax::paginator::ItemPaginator<crate::model::ListStreamObjectsResponse, gax::error::Error>
        {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

        /// Sets the value of [parent][crate::model::ListStreamObjectsRequest::parent].
        ///
        /// This is a **required** field for requests.
        pub fn set_parent<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.parent = v.into();
            self
        }

        /// Sets the value of [page_size][crate::model::ListStreamObjectsRequest::page_size].
        pub fn set_page_size<T: Into<i32>>(mut self, v: T) -> Self {
            self.0.request.page_size = v.into();
            self
        }

        /// Sets the value of [page_token][crate::model::ListStreamObjectsRequest::page_token].
        pub fn set_page_token<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.page_token = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for ListStreamObjects {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::start_backfill_job][crate::client::Datastream::start_backfill_job] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::StartBackfillJob;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> StartBackfillJob {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct StartBackfillJob(RequestBuilder<crate::model::StartBackfillJobRequest>);

    impl StartBackfillJob {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::StartBackfillJobRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::StartBackfillJobResponse> {
            (*self.0.stub)
                .start_backfill_job(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [object][crate::model::StartBackfillJobRequest::object].
        ///
        /// This is a **required** field for requests.
        pub fn set_object<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.object = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for StartBackfillJob {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::stop_backfill_job][crate::client::Datastream::stop_backfill_job] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::StopBackfillJob;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> StopBackfillJob {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct StopBackfillJob(RequestBuilder<crate::model::StopBackfillJobRequest>);

    impl StopBackfillJob {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::StopBackfillJobRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::StopBackfillJobResponse> {
            (*self.0.stub)
                .stop_backfill_job(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [object][crate::model::StopBackfillJobRequest::object].
        ///
        /// This is a **required** field for requests.
        pub fn set_object<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.object = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for StopBackfillJob {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::fetch_static_ips][crate::client::Datastream::fetch_static_ips] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::FetchStaticIps;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> FetchStaticIps {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct FetchStaticIps(RequestBuilder<crate::model::FetchStaticIpsRequest>);

    impl FetchStaticIps {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::FetchStaticIpsRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::FetchStaticIpsResponse> {
            (*self.0.stub)
                .fetch_static_ips(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][crate::model::FetchStaticIpsRequest::name].
        ///
        /// This is a **required** field for requests.
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }

        /// Sets the value of [page_size][crate::model::FetchStaticIpsRequest::page_size].
        pub fn set_page_size<T: Into<i32>>(mut self, v: T) -> Self {
            self.0.request.page_size = v.into();
            self
        }

        /// Sets the value of [page_token][crate::model::FetchStaticIpsRequest::page_token].
        pub fn set_page_token<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.page_token = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for FetchStaticIps {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::create_private_connection][crate::client::Datastream::create_private_connection] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::CreatePrivateConnection;
    /// # tokio_test::block_on(async {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> CreatePrivateConnection {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct CreatePrivateConnection(
        RequestBuilder<crate::model::CreatePrivateConnectionRequest>,
    );

    impl CreatePrivateConnection {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::CreatePrivateConnectionRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        ///
        /// # Long running operations
        ///
        /// This starts, but does not poll, a longrunning operation. More information
        /// on [create_private_connection][crate::client::Datastream::create_private_connection].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .create_private_connection(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `create_private_connection`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::PrivateConnection, crate::model::OperationMetadata>
        {
            type Operation = lro::internal::Operation<
                crate::model::PrivateConnection,
                crate::model::OperationMetadata,
            >;
            let polling_error_policy = self.0.stub.get_polling_error_policy(&self.0.options);
            let polling_backoff_policy = self.0.stub.get_polling_backoff_policy(&self.0.options);

            let stub = self.0.stub.clone();
            let mut options = self.0.options.clone();
            options.set_retry_policy(gax::retry_policy::NeverRetry);
            let query = move |name| {
                let stub = stub.clone();
                let options = options.clone();
                async {
                    let op = GetOperation::new(stub)
                        .set_name(name)
                        .with_options(options)
                        .send()
                        .await?;
                    Ok(Operation::new(op))
                }
            };

            let start = move || async {
                let op = self.send().await?;
                Ok(Operation::new(op))
            };

            lro::internal::new_poller(polling_error_policy, polling_backoff_policy, start, query)
        }

        /// Sets the value of [parent][crate::model::CreatePrivateConnectionRequest::parent].
        ///
        /// This is a **required** field for requests.
        pub fn set_parent<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.parent = v.into();
            self
        }

        /// Sets the value of [private_connection_id][crate::model::CreatePrivateConnectionRequest::private_connection_id].
        ///
        /// This is a **required** field for requests.
        pub fn set_private_connection_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.private_connection_id = v.into();
            self
        }

        /// Sets the value of [private_connection][crate::model::CreatePrivateConnectionRequest::private_connection].
        ///
        /// This is a **required** field for requests.
        pub fn set_private_connection<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<crate::model::PrivateConnection>,
        {
            self.0.request.private_connection = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [private_connection][crate::model::CreatePrivateConnectionRequest::private_connection].
        ///
        /// This is a **required** field for requests.
        pub fn set_or_clear_private_connection<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<crate::model::PrivateConnection>,
        {
            self.0.request.private_connection = v.map(|x| x.into());
            self
        }

        /// Sets the value of [request_id][crate::model::CreatePrivateConnectionRequest::request_id].
        pub fn set_request_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.request_id = v.into();
            self
        }

        /// Sets the value of [force][crate::model::CreatePrivateConnectionRequest::force].
        pub fn set_force<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.force = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for CreatePrivateConnection {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::get_private_connection][crate::client::Datastream::get_private_connection] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::GetPrivateConnection;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> GetPrivateConnection {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct GetPrivateConnection(RequestBuilder<crate::model::GetPrivateConnectionRequest>);

    impl GetPrivateConnection {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::GetPrivateConnectionRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::PrivateConnection> {
            (*self.0.stub)
                .get_private_connection(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][crate::model::GetPrivateConnectionRequest::name].
        ///
        /// This is a **required** field for requests.
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for GetPrivateConnection {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::list_private_connections][crate::client::Datastream::list_private_connections] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::ListPrivateConnections;
    /// # tokio_test::block_on(async {
    /// use gax::paginator::ItemPaginator;
    ///
    /// let builder = prepare_request_builder();
    /// let mut items = builder.by_item();
    /// while let Some(result) = items.next().await {
    ///   let item = result?;
    /// }
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> ListPrivateConnections {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListPrivateConnections(RequestBuilder<crate::model::ListPrivateConnectionsRequest>);

    impl ListPrivateConnections {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::ListPrivateConnectionsRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::ListPrivateConnectionsResponse> {
            (*self.0.stub)
                .list_private_connections(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Streams each page in the collection.
        pub fn by_page(
            self,
        ) -> impl gax::paginator::Paginator<
            crate::model::ListPrivateConnectionsResponse,
            gax::error::Error,
        > {
            use std::clone::Clone;
            let token = self.0.request.page_token.clone();
            let execute = move |token: String| {
                let mut builder = self.clone();
                builder.0.request = builder.0.request.set_page_token(token);
                builder.send()
            };
            gax::paginator::internal::new_paginator(token, execute)
        }

        /// Streams each item in the collection.
        pub fn by_item(
            self,
        ) -> impl gax::paginator::ItemPaginator<
            crate::model::ListPrivateConnectionsResponse,
            gax::error::Error,
        > {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

        /// Sets the value of [parent][crate::model::ListPrivateConnectionsRequest::parent].
        ///
        /// This is a **required** field for requests.
        pub fn set_parent<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.parent = v.into();
            self
        }

        /// Sets the value of [page_size][crate::model::ListPrivateConnectionsRequest::page_size].
        pub fn set_page_size<T: Into<i32>>(mut self, v: T) -> Self {
            self.0.request.page_size = v.into();
            self
        }

        /// Sets the value of [page_token][crate::model::ListPrivateConnectionsRequest::page_token].
        pub fn set_page_token<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.page_token = v.into();
            self
        }

        /// Sets the value of [filter][crate::model::ListPrivateConnectionsRequest::filter].
        pub fn set_filter<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.filter = v.into();
            self
        }

        /// Sets the value of [order_by][crate::model::ListPrivateConnectionsRequest::order_by].
        pub fn set_order_by<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.order_by = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for ListPrivateConnections {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::delete_private_connection][crate::client::Datastream::delete_private_connection] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::DeletePrivateConnection;
    /// # tokio_test::block_on(async {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> DeletePrivateConnection {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct DeletePrivateConnection(
        RequestBuilder<crate::model::DeletePrivateConnectionRequest>,
    );

    impl DeletePrivateConnection {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::DeletePrivateConnectionRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        ///
        /// # Long running operations
        ///
        /// This starts, but does not poll, a longrunning operation. More information
        /// on [delete_private_connection][crate::client::Datastream::delete_private_connection].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .delete_private_connection(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `delete_private_connection`.
        pub fn poller(self) -> impl lro::Poller<(), crate::model::OperationMetadata> {
            type Operation = lro::internal::Operation<wkt::Empty, crate::model::OperationMetadata>;
            let polling_error_policy = self.0.stub.get_polling_error_policy(&self.0.options);
            let polling_backoff_policy = self.0.stub.get_polling_backoff_policy(&self.0.options);

            let stub = self.0.stub.clone();
            let mut options = self.0.options.clone();
            options.set_retry_policy(gax::retry_policy::NeverRetry);
            let query = move |name| {
                let stub = stub.clone();
                let options = options.clone();
                async {
                    let op = GetOperation::new(stub)
                        .set_name(name)
                        .with_options(options)
                        .send()
                        .await?;
                    Ok(Operation::new(op))
                }
            };

            let start = move || async {
                let op = self.send().await?;
                Ok(Operation::new(op))
            };

            lro::internal::new_unit_response_poller(
                polling_error_policy,
                polling_backoff_policy,
                start,
                query,
            )
        }

        /// Sets the value of [name][crate::model::DeletePrivateConnectionRequest::name].
        ///
        /// This is a **required** field for requests.
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }

        /// Sets the value of [request_id][crate::model::DeletePrivateConnectionRequest::request_id].
        pub fn set_request_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.request_id = v.into();
            self
        }

        /// Sets the value of [force][crate::model::DeletePrivateConnectionRequest::force].
        pub fn set_force<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.force = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for DeletePrivateConnection {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::create_route][crate::client::Datastream::create_route] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::CreateRoute;
    /// # tokio_test::block_on(async {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> CreateRoute {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct CreateRoute(RequestBuilder<crate::model::CreateRouteRequest>);

    impl CreateRoute {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::CreateRouteRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        ///
        /// # Long running operations
        ///
        /// This starts, but does not poll, a longrunning operation. More information
        /// on [create_route][crate::client::Datastream::create_route].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .create_route(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `create_route`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::Route, crate::model::OperationMetadata> {
            type Operation =
                lro::internal::Operation<crate::model::Route, crate::model::OperationMetadata>;
            let polling_error_policy = self.0.stub.get_polling_error_policy(&self.0.options);
            let polling_backoff_policy = self.0.stub.get_polling_backoff_policy(&self.0.options);

            let stub = self.0.stub.clone();
            let mut options = self.0.options.clone();
            options.set_retry_policy(gax::retry_policy::NeverRetry);
            let query = move |name| {
                let stub = stub.clone();
                let options = options.clone();
                async {
                    let op = GetOperation::new(stub)
                        .set_name(name)
                        .with_options(options)
                        .send()
                        .await?;
                    Ok(Operation::new(op))
                }
            };

            let start = move || async {
                let op = self.send().await?;
                Ok(Operation::new(op))
            };

            lro::internal::new_poller(polling_error_policy, polling_backoff_policy, start, query)
        }

        /// Sets the value of [parent][crate::model::CreateRouteRequest::parent].
        ///
        /// This is a **required** field for requests.
        pub fn set_parent<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.parent = v.into();
            self
        }

        /// Sets the value of [route_id][crate::model::CreateRouteRequest::route_id].
        ///
        /// This is a **required** field for requests.
        pub fn set_route_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.route_id = v.into();
            self
        }

        /// Sets the value of [route][crate::model::CreateRouteRequest::route].
        ///
        /// This is a **required** field for requests.
        pub fn set_route<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<crate::model::Route>,
        {
            self.0.request.route = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [route][crate::model::CreateRouteRequest::route].
        ///
        /// This is a **required** field for requests.
        pub fn set_or_clear_route<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<crate::model::Route>,
        {
            self.0.request.route = v.map(|x| x.into());
            self
        }

        /// Sets the value of [request_id][crate::model::CreateRouteRequest::request_id].
        pub fn set_request_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.request_id = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for CreateRoute {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::get_route][crate::client::Datastream::get_route] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::GetRoute;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> GetRoute {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct GetRoute(RequestBuilder<crate::model::GetRouteRequest>);

    impl GetRoute {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::GetRouteRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::Route> {
            (*self.0.stub)
                .get_route(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][crate::model::GetRouteRequest::name].
        ///
        /// This is a **required** field for requests.
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for GetRoute {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::list_routes][crate::client::Datastream::list_routes] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::ListRoutes;
    /// # tokio_test::block_on(async {
    /// use gax::paginator::ItemPaginator;
    ///
    /// let builder = prepare_request_builder();
    /// let mut items = builder.by_item();
    /// while let Some(result) = items.next().await {
    ///   let item = result?;
    /// }
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> ListRoutes {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListRoutes(RequestBuilder<crate::model::ListRoutesRequest>);

    impl ListRoutes {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::ListRoutesRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<crate::model::ListRoutesResponse> {
            (*self.0.stub)
                .list_routes(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Streams each page in the collection.
        pub fn by_page(
            self,
        ) -> impl gax::paginator::Paginator<crate::model::ListRoutesResponse, gax::error::Error>
        {
            use std::clone::Clone;
            let token = self.0.request.page_token.clone();
            let execute = move |token: String| {
                let mut builder = self.clone();
                builder.0.request = builder.0.request.set_page_token(token);
                builder.send()
            };
            gax::paginator::internal::new_paginator(token, execute)
        }

        /// Streams each item in the collection.
        pub fn by_item(
            self,
        ) -> impl gax::paginator::ItemPaginator<crate::model::ListRoutesResponse, gax::error::Error>
        {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

        /// Sets the value of [parent][crate::model::ListRoutesRequest::parent].
        ///
        /// This is a **required** field for requests.
        pub fn set_parent<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.parent = v.into();
            self
        }

        /// Sets the value of [page_size][crate::model::ListRoutesRequest::page_size].
        pub fn set_page_size<T: Into<i32>>(mut self, v: T) -> Self {
            self.0.request.page_size = v.into();
            self
        }

        /// Sets the value of [page_token][crate::model::ListRoutesRequest::page_token].
        pub fn set_page_token<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.page_token = v.into();
            self
        }

        /// Sets the value of [filter][crate::model::ListRoutesRequest::filter].
        pub fn set_filter<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.filter = v.into();
            self
        }

        /// Sets the value of [order_by][crate::model::ListRoutesRequest::order_by].
        pub fn set_order_by<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.order_by = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for ListRoutes {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::delete_route][crate::client::Datastream::delete_route] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::DeleteRoute;
    /// # tokio_test::block_on(async {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> DeleteRoute {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct DeleteRoute(RequestBuilder<crate::model::DeleteRouteRequest>);

    impl DeleteRoute {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::DeleteRouteRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        ///
        /// # Long running operations
        ///
        /// This starts, but does not poll, a longrunning operation. More information
        /// on [delete_route][crate::client::Datastream::delete_route].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .delete_route(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `delete_route`.
        pub fn poller(self) -> impl lro::Poller<(), crate::model::OperationMetadata> {
            type Operation = lro::internal::Operation<wkt::Empty, crate::model::OperationMetadata>;
            let polling_error_policy = self.0.stub.get_polling_error_policy(&self.0.options);
            let polling_backoff_policy = self.0.stub.get_polling_backoff_policy(&self.0.options);

            let stub = self.0.stub.clone();
            let mut options = self.0.options.clone();
            options.set_retry_policy(gax::retry_policy::NeverRetry);
            let query = move |name| {
                let stub = stub.clone();
                let options = options.clone();
                async {
                    let op = GetOperation::new(stub)
                        .set_name(name)
                        .with_options(options)
                        .send()
                        .await?;
                    Ok(Operation::new(op))
                }
            };

            let start = move || async {
                let op = self.send().await?;
                Ok(Operation::new(op))
            };

            lro::internal::new_unit_response_poller(
                polling_error_policy,
                polling_backoff_policy,
                start,
                query,
            )
        }

        /// Sets the value of [name][crate::model::DeleteRouteRequest::name].
        ///
        /// This is a **required** field for requests.
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }

        /// Sets the value of [request_id][crate::model::DeleteRouteRequest::request_id].
        pub fn set_request_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.request_id = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for DeleteRoute {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::list_locations][crate::client::Datastream::list_locations] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::ListLocations;
    /// # tokio_test::block_on(async {
    /// use gax::paginator::ItemPaginator;
    ///
    /// let builder = prepare_request_builder();
    /// let mut items = builder.by_item();
    /// while let Some(result) = items.next().await {
    ///   let item = result?;
    /// }
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> ListLocations {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListLocations(RequestBuilder<location::model::ListLocationsRequest>);

    impl ListLocations {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<location::model::ListLocationsRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<location::model::ListLocationsResponse> {
            (*self.0.stub)
                .list_locations(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Streams each page in the collection.
        pub fn by_page(
            self,
        ) -> impl gax::paginator::Paginator<location::model::ListLocationsResponse, gax::error::Error>
        {
            use std::clone::Clone;
            let token = self.0.request.page_token.clone();
            let execute = move |token: String| {
                let mut builder = self.clone();
                builder.0.request = builder.0.request.set_page_token(token);
                builder.send()
            };
            gax::paginator::internal::new_paginator(token, execute)
        }

        /// Streams each item in the collection.
        pub fn by_item(
            self,
        ) -> impl gax::paginator::ItemPaginator<location::model::ListLocationsResponse, gax::error::Error>
        {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

        /// Sets the value of [name][location::model::ListLocationsRequest::name].
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }

        /// Sets the value of [filter][location::model::ListLocationsRequest::filter].
        pub fn set_filter<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.filter = v.into();
            self
        }

        /// Sets the value of [page_size][location::model::ListLocationsRequest::page_size].
        pub fn set_page_size<T: Into<i32>>(mut self, v: T) -> Self {
            self.0.request.page_size = v.into();
            self
        }

        /// Sets the value of [page_token][location::model::ListLocationsRequest::page_token].
        pub fn set_page_token<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.page_token = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for ListLocations {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::get_location][crate::client::Datastream::get_location] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::GetLocation;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> GetLocation {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct GetLocation(RequestBuilder<location::model::GetLocationRequest>);

    impl GetLocation {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<location::model::GetLocationRequest>>(mut self, v: V) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<location::model::Location> {
            (*self.0.stub)
                .get_location(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][location::model::GetLocationRequest::name].
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for GetLocation {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::list_operations][crate::client::Datastream::list_operations] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::ListOperations;
    /// # tokio_test::block_on(async {
    /// use gax::paginator::ItemPaginator;
    ///
    /// let builder = prepare_request_builder();
    /// let mut items = builder.by_item();
    /// while let Some(result) = items.next().await {
    ///   let item = result?;
    /// }
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> ListOperations {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListOperations(RequestBuilder<longrunning::model::ListOperationsRequest>);

    impl ListOperations {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<longrunning::model::ListOperationsRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<longrunning::model::ListOperationsResponse> {
            (*self.0.stub)
                .list_operations(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Streams each page in the collection.
        pub fn by_page(
            self,
        ) -> impl gax::paginator::Paginator<longrunning::model::ListOperationsResponse, gax::error::Error>
        {
            use std::clone::Clone;
            let token = self.0.request.page_token.clone();
            let execute = move |token: String| {
                let mut builder = self.clone();
                builder.0.request = builder.0.request.set_page_token(token);
                builder.send()
            };
            gax::paginator::internal::new_paginator(token, execute)
        }

        /// Streams each item in the collection.
        pub fn by_item(
            self,
        ) -> impl gax::paginator::ItemPaginator<
            longrunning::model::ListOperationsResponse,
            gax::error::Error,
        > {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

        /// Sets the value of [name][longrunning::model::ListOperationsRequest::name].
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }

        /// Sets the value of [filter][longrunning::model::ListOperationsRequest::filter].
        pub fn set_filter<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.filter = v.into();
            self
        }

        /// Sets the value of [page_size][longrunning::model::ListOperationsRequest::page_size].
        pub fn set_page_size<T: Into<i32>>(mut self, v: T) -> Self {
            self.0.request.page_size = v.into();
            self
        }

        /// Sets the value of [page_token][longrunning::model::ListOperationsRequest::page_token].
        pub fn set_page_token<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.page_token = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for ListOperations {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::get_operation][crate::client::Datastream::get_operation] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::GetOperation;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> GetOperation {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct GetOperation(RequestBuilder<longrunning::model::GetOperationRequest>);

    impl GetOperation {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<longrunning::model::GetOperationRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .get_operation(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][longrunning::model::GetOperationRequest::name].
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for GetOperation {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::delete_operation][crate::client::Datastream::delete_operation] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::DeleteOperation;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> DeleteOperation {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct DeleteOperation(RequestBuilder<longrunning::model::DeleteOperationRequest>);

    impl DeleteOperation {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<longrunning::model::DeleteOperationRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<()> {
            (*self.0.stub)
                .delete_operation(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][longrunning::model::DeleteOperationRequest::name].
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for DeleteOperation {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [Datastream::cancel_operation][crate::client::Datastream::cancel_operation] calls.
    ///
    /// # Example
    /// ```no_run
    /// # use google_cloud_datastream_v1::builder;
    /// use builder::datastream::CancelOperation;
    /// # tokio_test::block_on(async {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # gax::Result::<()>::Ok(()) });
    ///
    /// fn prepare_request_builder() -> CancelOperation {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct CancelOperation(RequestBuilder<longrunning::model::CancelOperationRequest>);

    impl CancelOperation {
        pub(crate) fn new(
            stub: std::sync::Arc<dyn super::super::stub::dynamic::Datastream>,
        ) -> Self {
            Self(RequestBuilder::new(stub))
        }

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<longrunning::model::CancelOperationRequest>>(
            mut self,
            v: V,
        ) -> Self {
            self.0.request = v.into();
            self
        }

        /// Sets all the options, replacing any prior values.
        pub fn with_options<V: Into<gax::options::RequestOptions>>(mut self, v: V) -> Self {
            self.0.options = v.into();
            self
        }

        /// Sends the request.
        pub async fn send(self) -> Result<()> {
            (*self.0.stub)
                .cancel_operation(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][longrunning::model::CancelOperationRequest::name].
        pub fn set_name<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.name = v.into();
            self
        }
    }

    #[doc(hidden)]
    impl gax::options::internal::RequestBuilder for CancelOperation {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }
}