google_cloud_spanner_admin_instance_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 instance_admin {
    use crate::Result;

    /// A builder for [InstanceAdmin][crate::client::InstanceAdmin].
    ///
    /// ```
    /// # async fn sample() -> gax::client_builder::Result<()> {
    /// # use google_cloud_spanner_admin_instance_v1::*;
    /// # use builder::instance_admin::ClientBuilder;
    /// # use client::InstanceAdmin;
    /// let builder : ClientBuilder = InstanceAdmin::builder();
    /// let client = builder
    ///     .with_endpoint("https://spanner.googleapis.com")
    ///     .build().await?;
    /// # Ok(()) }
    /// ```
    pub type ClientBuilder =
        gax::client_builder::ClientBuilder<client::Factory, gaxi::options::Credentials>;

    pub(crate) mod client {
        use super::super::super::client::InstanceAdmin;
        pub struct Factory;
        impl gax::client_builder::internal::ClientFactory for Factory {
            type Client = InstanceAdmin;
            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::InstanceAdmin] request builders.
    #[derive(Clone, Debug)]
    pub(crate) struct RequestBuilder<R: std::default::Default> {
        stub: std::sync::Arc<dyn super::super::stub::dynamic::InstanceAdmin>,
        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::InstanceAdmin>,
        ) -> Self {
            Self {
                stub,
                request: R::default(),
                options: gax::options::RequestOptions::default(),
            }
        }
    }

    /// The request builder for [InstanceAdmin::list_instance_configs][crate::client::InstanceAdmin::list_instance_configs] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::ListInstanceConfigs;
    /// # async fn sample() -> gax::Result<()> {
    /// 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?;
    /// }
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> ListInstanceConfigs {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListInstanceConfigs(RequestBuilder<crate::model::ListInstanceConfigsRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::ListInstanceConfigsRequest>>(
            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::ListInstanceConfigsResponse> {
            (*self.0.stub)
                .list_instance_configs(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::ListInstanceConfigsResponse, 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::ListInstanceConfigsResponse,
            gax::error::Error,
        > {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

        /// Sets the value of [parent][crate::model::ListInstanceConfigsRequest::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::ListInstanceConfigsRequest::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::ListInstanceConfigsRequest::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 ListInstanceConfigs {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [InstanceAdmin::get_instance_config][crate::client::InstanceAdmin::get_instance_config] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::GetInstanceConfig;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> GetInstanceConfig {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct GetInstanceConfig(RequestBuilder<crate::model::GetInstanceConfigRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::GetInstanceConfigRequest>>(
            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::InstanceConfig> {
            (*self.0.stub)
                .get_instance_config(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][crate::model::GetInstanceConfigRequest::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 GetInstanceConfig {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [InstanceAdmin::create_instance_config][crate::client::InstanceAdmin::create_instance_config] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::CreateInstanceConfig;
    /// # async fn sample() -> gax::Result<()> {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> CreateInstanceConfig {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct CreateInstanceConfig(RequestBuilder<crate::model::CreateInstanceConfigRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::CreateInstanceConfigRequest>>(
            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_instance_config][crate::client::InstanceAdmin::create_instance_config].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .create_instance_config(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `create_instance_config`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::InstanceConfig, crate::model::CreateInstanceConfigMetadata>
        {
            type Operation = lro::internal::Operation<
                crate::model::InstanceConfig,
                crate::model::CreateInstanceConfigMetadata,
            >;
            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::CreateInstanceConfigRequest::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 [instance_config_id][crate::model::CreateInstanceConfigRequest::instance_config_id].
        ///
        /// This is a **required** field for requests.
        pub fn set_instance_config_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.instance_config_id = v.into();
            self
        }

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

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

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

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

    /// The request builder for [InstanceAdmin::update_instance_config][crate::client::InstanceAdmin::update_instance_config] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::UpdateInstanceConfig;
    /// # async fn sample() -> gax::Result<()> {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> UpdateInstanceConfig {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct UpdateInstanceConfig(RequestBuilder<crate::model::UpdateInstanceConfigRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::UpdateInstanceConfigRequest>>(
            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_instance_config][crate::client::InstanceAdmin::update_instance_config].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .update_instance_config(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `update_instance_config`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::InstanceConfig, crate::model::UpdateInstanceConfigMetadata>
        {
            type Operation = lro::internal::Operation<
                crate::model::InstanceConfig,
                crate::model::UpdateInstanceConfigMetadata,
            >;
            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 [instance_config][crate::model::UpdateInstanceConfigRequest::instance_config].
        ///
        /// This is a **required** field for requests.
        pub fn set_instance_config<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<crate::model::InstanceConfig>,
        {
            self.0.request.instance_config = std::option::Option::Some(v.into());
            self
        }

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

        /// Sets the value of [update_mask][crate::model::UpdateInstanceConfigRequest::update_mask].
        ///
        /// This is a **required** field for requests.
        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::UpdateInstanceConfigRequest::update_mask].
        ///
        /// This is a **required** field for requests.
        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 [validate_only][crate::model::UpdateInstanceConfigRequest::validate_only].
        pub fn set_validate_only<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.validate_only = v.into();
            self
        }
    }

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

    /// The request builder for [InstanceAdmin::delete_instance_config][crate::client::InstanceAdmin::delete_instance_config] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::DeleteInstanceConfig;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> DeleteInstanceConfig {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct DeleteInstanceConfig(RequestBuilder<crate::model::DeleteInstanceConfigRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::DeleteInstanceConfigRequest>>(
            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_instance_config(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

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

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

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

    /// The request builder for [InstanceAdmin::list_instance_config_operations][crate::client::InstanceAdmin::list_instance_config_operations] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::ListInstanceConfigOperations;
    /// # async fn sample() -> gax::Result<()> {
    /// 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?;
    /// }
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> ListInstanceConfigOperations {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListInstanceConfigOperations(
        RequestBuilder<crate::model::ListInstanceConfigOperationsRequest>,
    );

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::ListInstanceConfigOperationsRequest>>(
            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::ListInstanceConfigOperationsResponse> {
            (*self.0.stub)
                .list_instance_config_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<
            crate::model::ListInstanceConfigOperationsResponse,
            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::ListInstanceConfigOperationsResponse,
            gax::error::Error,
        > {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

        /// Sets the value of [parent][crate::model::ListInstanceConfigOperationsRequest::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 [filter][crate::model::ListInstanceConfigOperationsRequest::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][crate::model::ListInstanceConfigOperationsRequest::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::ListInstanceConfigOperationsRequest::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 ListInstanceConfigOperations {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [InstanceAdmin::list_instances][crate::client::InstanceAdmin::list_instances] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::ListInstances;
    /// # async fn sample() -> gax::Result<()> {
    /// 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?;
    /// }
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> ListInstances {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListInstances(RequestBuilder<crate::model::ListInstancesRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::ListInstancesRequest>>(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::ListInstancesResponse> {
            (*self.0.stub)
                .list_instances(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::ListInstancesResponse, 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::ListInstancesResponse, gax::error::Error>
        {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

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

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

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

    /// The request builder for [InstanceAdmin::list_instance_partitions][crate::client::InstanceAdmin::list_instance_partitions] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::ListInstancePartitions;
    /// # async fn sample() -> gax::Result<()> {
    /// 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?;
    /// }
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> ListInstancePartitions {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListInstancePartitions(RequestBuilder<crate::model::ListInstancePartitionsRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::ListInstancePartitionsRequest>>(
            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::ListInstancePartitionsResponse> {
            (*self.0.stub)
                .list_instance_partitions(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::ListInstancePartitionsResponse,
            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::ListInstancePartitionsResponse,
            gax::error::Error,
        > {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

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

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

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

    /// The request builder for [InstanceAdmin::get_instance][crate::client::InstanceAdmin::get_instance] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::GetInstance;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> GetInstance {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct GetInstance(RequestBuilder<crate::model::GetInstanceRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::GetInstanceRequest>>(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::Instance> {
            (*self.0.stub)
                .get_instance(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

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

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

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

    /// The request builder for [InstanceAdmin::create_instance][crate::client::InstanceAdmin::create_instance] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::CreateInstance;
    /// # async fn sample() -> gax::Result<()> {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> CreateInstance {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct CreateInstance(RequestBuilder<crate::model::CreateInstanceRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::CreateInstanceRequest>>(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_instance][crate::client::InstanceAdmin::create_instance].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .create_instance(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `create_instance`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::Instance, crate::model::CreateInstanceMetadata>
        {
            type Operation = lro::internal::Operation<
                crate::model::Instance,
                crate::model::CreateInstanceMetadata,
            >;
            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::CreateInstanceRequest::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 [instance_id][crate::model::CreateInstanceRequest::instance_id].
        ///
        /// This is a **required** field for requests.
        pub fn set_instance_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.instance_id = v.into();
            self
        }

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

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

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

    /// The request builder for [InstanceAdmin::update_instance][crate::client::InstanceAdmin::update_instance] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::UpdateInstance;
    /// # async fn sample() -> gax::Result<()> {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> UpdateInstance {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct UpdateInstance(RequestBuilder<crate::model::UpdateInstanceRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::UpdateInstanceRequest>>(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_instance][crate::client::InstanceAdmin::update_instance].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .update_instance(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `update_instance`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::Instance, crate::model::UpdateInstanceMetadata>
        {
            type Operation = lro::internal::Operation<
                crate::model::Instance,
                crate::model::UpdateInstanceMetadata,
            >;
            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 [instance][crate::model::UpdateInstanceRequest::instance].
        ///
        /// This is a **required** field for requests.
        pub fn set_instance<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<crate::model::Instance>,
        {
            self.0.request.instance = std::option::Option::Some(v.into());
            self
        }

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

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

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

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

    /// The request builder for [InstanceAdmin::delete_instance][crate::client::InstanceAdmin::delete_instance] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::DeleteInstance;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> DeleteInstance {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct DeleteInstance(RequestBuilder<crate::model::DeleteInstanceRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::DeleteInstanceRequest>>(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_instance(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][crate::model::DeleteInstanceRequest::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 DeleteInstance {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [InstanceAdmin::set_iam_policy][crate::client::InstanceAdmin::set_iam_policy] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::SetIamPolicy;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> SetIamPolicy {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct SetIamPolicy(RequestBuilder<iam_v1::model::SetIamPolicyRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<iam_v1::model::SetIamPolicyRequest>>(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<iam_v1::model::Policy> {
            (*self.0.stub)
                .set_iam_policy(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [resource][iam_v1::model::SetIamPolicyRequest::resource].
        ///
        /// This is a **required** field for requests.
        pub fn set_resource<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.resource = v.into();
            self
        }

        /// Sets the value of [policy][iam_v1::model::SetIamPolicyRequest::policy].
        ///
        /// This is a **required** field for requests.
        pub fn set_policy<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<iam_v1::model::Policy>,
        {
            self.0.request.policy = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [policy][iam_v1::model::SetIamPolicyRequest::policy].
        ///
        /// This is a **required** field for requests.
        pub fn set_or_clear_policy<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<iam_v1::model::Policy>,
        {
            self.0.request.policy = v.map(|x| x.into());
            self
        }

        /// Sets the value of [update_mask][iam_v1::model::SetIamPolicyRequest::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][iam_v1::model::SetIamPolicyRequest::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
        }
    }

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

    /// The request builder for [InstanceAdmin::get_iam_policy][crate::client::InstanceAdmin::get_iam_policy] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::GetIamPolicy;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> GetIamPolicy {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct GetIamPolicy(RequestBuilder<iam_v1::model::GetIamPolicyRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<iam_v1::model::GetIamPolicyRequest>>(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<iam_v1::model::Policy> {
            (*self.0.stub)
                .get_iam_policy(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [resource][iam_v1::model::GetIamPolicyRequest::resource].
        ///
        /// This is a **required** field for requests.
        pub fn set_resource<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.resource = v.into();
            self
        }

        /// Sets the value of [options][iam_v1::model::GetIamPolicyRequest::options].
        pub fn set_options<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<iam_v1::model::GetPolicyOptions>,
        {
            self.0.request.options = std::option::Option::Some(v.into());
            self
        }

        /// Sets or clears the value of [options][iam_v1::model::GetIamPolicyRequest::options].
        pub fn set_or_clear_options<T>(mut self, v: std::option::Option<T>) -> Self
        where
            T: std::convert::Into<iam_v1::model::GetPolicyOptions>,
        {
            self.0.request.options = v.map(|x| x.into());
            self
        }
    }

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

    /// The request builder for [InstanceAdmin::test_iam_permissions][crate::client::InstanceAdmin::test_iam_permissions] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::TestIamPermissions;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> TestIamPermissions {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct TestIamPermissions(RequestBuilder<iam_v1::model::TestIamPermissionsRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<iam_v1::model::TestIamPermissionsRequest>>(
            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<iam_v1::model::TestIamPermissionsResponse> {
            (*self.0.stub)
                .test_iam_permissions(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [resource][iam_v1::model::TestIamPermissionsRequest::resource].
        ///
        /// This is a **required** field for requests.
        pub fn set_resource<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.resource = v.into();
            self
        }

        /// Sets the value of [permissions][iam_v1::model::TestIamPermissionsRequest::permissions].
        ///
        /// This is a **required** field for requests.
        pub fn set_permissions<T, V>(mut self, v: T) -> Self
        where
            T: std::iter::IntoIterator<Item = V>,
            V: std::convert::Into<std::string::String>,
        {
            use std::iter::Iterator;
            self.0.request.permissions = v.into_iter().map(|i| i.into()).collect();
            self
        }
    }

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

    /// The request builder for [InstanceAdmin::get_instance_partition][crate::client::InstanceAdmin::get_instance_partition] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::GetInstancePartition;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> GetInstancePartition {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct GetInstancePartition(RequestBuilder<crate::model::GetInstancePartitionRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::GetInstancePartitionRequest>>(
            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::InstancePartition> {
            (*self.0.stub)
                .get_instance_partition(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Sets the value of [name][crate::model::GetInstancePartitionRequest::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 GetInstancePartition {
        fn request_options(&mut self) -> &mut gax::options::RequestOptions {
            &mut self.0.options
        }
    }

    /// The request builder for [InstanceAdmin::create_instance_partition][crate::client::InstanceAdmin::create_instance_partition] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::CreateInstancePartition;
    /// # async fn sample() -> gax::Result<()> {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> CreateInstancePartition {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct CreateInstancePartition(
        RequestBuilder<crate::model::CreateInstancePartitionRequest>,
    );

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::CreateInstancePartitionRequest>>(
            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_instance_partition][crate::client::InstanceAdmin::create_instance_partition].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .create_instance_partition(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `create_instance_partition`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<
            crate::model::InstancePartition,
            crate::model::CreateInstancePartitionMetadata,
        > {
            type Operation = lro::internal::Operation<
                crate::model::InstancePartition,
                crate::model::CreateInstancePartitionMetadata,
            >;
            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::CreateInstancePartitionRequest::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 [instance_partition_id][crate::model::CreateInstancePartitionRequest::instance_partition_id].
        ///
        /// This is a **required** field for requests.
        pub fn set_instance_partition_id<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.instance_partition_id = v.into();
            self
        }

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

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

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

    /// The request builder for [InstanceAdmin::delete_instance_partition][crate::client::InstanceAdmin::delete_instance_partition] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::DeleteInstancePartition;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> DeleteInstancePartition {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct DeleteInstancePartition(
        RequestBuilder<crate::model::DeleteInstancePartitionRequest>,
    );

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::DeleteInstancePartitionRequest>>(
            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_instance_partition(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

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

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

    /// The request builder for [InstanceAdmin::update_instance_partition][crate::client::InstanceAdmin::update_instance_partition] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::UpdateInstancePartition;
    /// # async fn sample() -> gax::Result<()> {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> UpdateInstancePartition {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct UpdateInstancePartition(
        RequestBuilder<crate::model::UpdateInstancePartitionRequest>,
    );

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::UpdateInstancePartitionRequest>>(
            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_instance_partition][crate::client::InstanceAdmin::update_instance_partition].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .update_instance_partition(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `update_instance_partition`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<
            crate::model::InstancePartition,
            crate::model::UpdateInstancePartitionMetadata,
        > {
            type Operation = lro::internal::Operation<
                crate::model::InstancePartition,
                crate::model::UpdateInstancePartitionMetadata,
            >;
            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 [instance_partition][crate::model::UpdateInstancePartitionRequest::instance_partition].
        ///
        /// This is a **required** field for requests.
        pub fn set_instance_partition<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<crate::model::InstancePartition>,
        {
            self.0.request.instance_partition = std::option::Option::Some(v.into());
            self
        }

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

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

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

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

    /// The request builder for [InstanceAdmin::list_instance_partition_operations][crate::client::InstanceAdmin::list_instance_partition_operations] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::ListInstancePartitionOperations;
    /// # async fn sample() -> gax::Result<()> {
    /// 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?;
    /// }
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> ListInstancePartitionOperations {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct ListInstancePartitionOperations(
        RequestBuilder<crate::model::ListInstancePartitionOperationsRequest>,
    );

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::ListInstancePartitionOperationsRequest>>(
            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::ListInstancePartitionOperationsResponse> {
            (*self.0.stub)
                .list_instance_partition_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<
            crate::model::ListInstancePartitionOperationsResponse,
            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::ListInstancePartitionOperationsResponse,
            gax::error::Error,
        > {
            use gax::paginator::Paginator;
            self.by_page().items()
        }

        /// Sets the value of [parent][crate::model::ListInstancePartitionOperationsRequest::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 [filter][crate::model::ListInstancePartitionOperationsRequest::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][crate::model::ListInstancePartitionOperationsRequest::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::ListInstancePartitionOperationsRequest::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 [instance_partition_deadline][crate::model::ListInstancePartitionOperationsRequest::instance_partition_deadline].
        pub fn set_instance_partition_deadline<T>(mut self, v: T) -> Self
        where
            T: std::convert::Into<wkt::Timestamp>,
        {
            self.0.request.instance_partition_deadline = std::option::Option::Some(v.into());
            self
        }

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

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

    /// The request builder for [InstanceAdmin::move_instance][crate::client::InstanceAdmin::move_instance] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::MoveInstance;
    /// # async fn sample() -> gax::Result<()> {
    /// use lro::Poller;
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.poller().until_done().await?;
    /// # Ok(()) }
    ///
    /// fn prepare_request_builder() -> MoveInstance {
    ///   # panic!();
    ///   // ... details omitted ...
    /// }
    /// ```
    #[derive(Clone, Debug)]
    pub struct MoveInstance(RequestBuilder<crate::model::MoveInstanceRequest>);

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

        /// Sets the full request, replacing any prior values.
        pub fn with_request<V: Into<crate::model::MoveInstanceRequest>>(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 [move_instance][crate::client::InstanceAdmin::move_instance].
        pub async fn send(self) -> Result<longrunning::model::Operation> {
            (*self.0.stub)
                .move_instance(self.0.request, self.0.options)
                .await
                .map(gax::response::Response::into_body)
        }

        /// Creates a [Poller][lro::Poller] to work with `move_instance`.
        pub fn poller(
            self,
        ) -> impl lro::Poller<crate::model::MoveInstanceResponse, crate::model::MoveInstanceMetadata>
        {
            type Operation = lro::internal::Operation<
                crate::model::MoveInstanceResponse,
                crate::model::MoveInstanceMetadata,
            >;
            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::MoveInstanceRequest::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 [target_config][crate::model::MoveInstanceRequest::target_config].
        ///
        /// This is a **required** field for requests.
        pub fn set_target_config<T: Into<std::string::String>>(mut self, v: T) -> Self {
            self.0.request.target_config = v.into();
            self
        }
    }

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

    /// The request builder for [InstanceAdmin::list_operations][crate::client::InstanceAdmin::list_operations] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::ListOperations;
    /// # async fn sample() -> gax::Result<()> {
    /// 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?;
    /// }
    /// # 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::InstanceAdmin>,
        ) -> 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
        }

        /// Sets the value of [return_partial_success][longrunning::model::ListOperationsRequest::return_partial_success].
        pub fn set_return_partial_success<T: Into<bool>>(mut self, v: T) -> Self {
            self.0.request.return_partial_success = 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 [InstanceAdmin::get_operation][crate::client::InstanceAdmin::get_operation] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::GetOperation;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # 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::InstanceAdmin>,
        ) -> 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 [InstanceAdmin::delete_operation][crate::client::InstanceAdmin::delete_operation] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::DeleteOperation;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # 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::InstanceAdmin>,
        ) -> 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 [InstanceAdmin::cancel_operation][crate::client::InstanceAdmin::cancel_operation] calls.
    ///
    /// # Example
    /// ```
    /// # use google_cloud_spanner_admin_instance_v1::builder::instance_admin::CancelOperation;
    /// # async fn sample() -> gax::Result<()> {
    ///
    /// let builder = prepare_request_builder();
    /// let response = builder.send().await?;
    /// # 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::InstanceAdmin>,
        ) -> 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
        }
    }
}