# frozen_string_literal: true

# Copyright 2021 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.

# Auto-generated by gapic-generator-ruby. DO NOT EDIT!

require "google/cloud/errors"
require "google/cloud/dialogflow/cx/v3/flow_pb"

module Google
  module Cloud
    module Dialogflow
      module CX
        module V3
          module Flows
            ##
            # Client for the Flows service.
            #
            # Service for managing {::Google::Cloud::Dialogflow::CX::V3::Flow Flows}.
            #
            class Client
              include Paths

              # @private
              attr_reader :flows_stub

              ##
              # Configure the Flows Client class.
              #
              # See {::Google::Cloud::Dialogflow::CX::V3::Flows::Client::Configuration}
              # for a description of the configuration fields.
              #
              # @example
              #
              #   # Modify the configuration for all Flows clients
              #   ::Google::Cloud::Dialogflow::CX::V3::Flows::Client.configure do |config|
              #     config.timeout = 10.0
              #   end
              #
              # @yield [config] Configure the Client client.
              # @yieldparam config [Client::Configuration]
              #
              # @return [Client::Configuration]
              #
              def self.configure
                @configure ||= begin
                  namespace = ["Google", "Cloud", "Dialogflow", "CX", "V3"]
                  parent_config = while namespace.any?
                                    parent_name = namespace.join "::"
                                    parent_const = const_get parent_name
                                    break parent_const.configure if parent_const.respond_to? :configure
                                    namespace.pop
                                  end
                  default_config = Client::Configuration.new parent_config

                  default_config.timeout = 60.0
                  default_config.retry_policy = {
                    initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [14]
                  }

                  default_config
                end
                yield @configure if block_given?
                @configure
              end

              ##
              # Configure the Flows Client instance.
              #
              # The configuration is set to the derived mode, meaning that values can be changed,
              # but structural changes (adding new fields, etc.) are not allowed. Structural changes
              # should be made on {Client.configure}.
              #
              # See {::Google::Cloud::Dialogflow::CX::V3::Flows::Client::Configuration}
              # for a description of the configuration fields.
              #
              # @yield [config] Configure the Client client.
              # @yieldparam config [Client::Configuration]
              #
              # @return [Client::Configuration]
              #
              def configure
                yield @config if block_given?
                @config
              end

              ##
              # Create a new Flows client object.
              #
              # @example
              #
              #   # Create a client using the default configuration
              #   client = ::Google::Cloud::Dialogflow::CX::V3::Flows::Client.new
              #
              #   # Create a client using a custom configuration
              #   client = ::Google::Cloud::Dialogflow::CX::V3::Flows::Client.new do |config|
              #     config.timeout = 10.0
              #   end
              #
              # @yield [config] Configure the Flows client.
              # @yieldparam config [Client::Configuration]
              #
              def initialize
                # These require statements are intentionally placed here to initialize
                # the gRPC module only when it's required.
                # See https://github.com/googleapis/toolkit/issues/446
                require "gapic/grpc"
                require "google/cloud/dialogflow/cx/v3/flow_services_pb"

                # Create the configuration object
                @config = Configuration.new Client.configure

                # Yield the configuration if needed
                yield @config if block_given?

                # Create credentials
                credentials = @config.credentials
                # Use self-signed JWT if the endpoint is unchanged from default,
                # but only if the default endpoint does not have a region prefix.
                enable_self_signed_jwt = @config.endpoint == Client.configure.endpoint &&
                                         !@config.endpoint.split(".").first.include?("-")
                credentials ||= Credentials.default scope: @config.scope,
                                                    enable_self_signed_jwt: enable_self_signed_jwt
                if credentials.is_a?(::String) || credentials.is_a?(::Hash)
                  credentials = Credentials.new credentials, scope: @config.scope
                end
                @quota_project_id = @config.quota_project
                @quota_project_id ||= credentials.quota_project_id if credentials.respond_to? :quota_project_id

                @operations_client = Operations.new do |config|
                  config.credentials = credentials
                  config.endpoint = @config.endpoint
                end

                @flows_stub = ::Gapic::ServiceStub.new(
                  ::Google::Cloud::Dialogflow::CX::V3::Flows::Stub,
                  credentials:  credentials,
                  endpoint:     @config.endpoint,
                  channel_args: @config.channel_args,
                  interceptors: @config.interceptors
                )
              end

              ##
              # Get the associated client for long-running operations.
              #
              # @return [::Google::Cloud::Dialogflow::CX::V3::Flows::Operations]
              #
              attr_reader :operations_client

              # Service calls

              ##
              # Creates a flow in the specified agent.
              #
              # Note: You should always train a flow prior to sending it queries. See the
              # [training
              # documentation](https://cloud.google.com/dialogflow/cx/docs/concept/training).
              #
              # @overload create_flow(request, options = nil)
              #   Pass arguments to `create_flow` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::CX::V3::CreateFlowRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::CX::V3::CreateFlowRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries, etc. Optional.
              #
              # @overload create_flow(parent: nil, flow: nil, language_code: nil)
              #   Pass arguments to `create_flow` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param parent [::String]
              #     Required. The agent to create a flow for.
              #     Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent ID>`.
              #   @param flow [::Google::Cloud::Dialogflow::CX::V3::Flow, ::Hash]
              #     Required. The flow to create.
              #   @param language_code [::String]
              #     The language of the following fields in `flow`:
              #
              #     *  `Flow.event_handlers.trigger_fulfillment.messages`
              #     *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
              #     *  `Flow.transition_routes.trigger_fulfillment.messages`
              #     *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
              #
              #     If not specified, the agent's default language is used.
              #     [Many
              #     languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
              #     are supported.
              #     Note: languages must be enabled in the agent before they can be used.
              #
              # @yield [response, operation] Access the result along with the RPC operation
              # @yieldparam response [::Google::Cloud::Dialogflow::CX::V3::Flow]
              # @yieldparam operation [::GRPC::ActiveCall::Operation]
              #
              # @return [::Google::Cloud::Dialogflow::CX::V3::Flow]
              #
              # @raise [::Google::Cloud::Error] if the RPC is aborted.
              #
              def create_flow request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::CX::V3::CreateFlowRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                metadata = @config.rpcs.create_flow.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::CX::V3::VERSION
                metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                header_params = {
                  "parent" => request.parent
                }
                request_params_header = header_params.map { |k, v| "#{k}=#{v}" }.join("&")
                metadata[:"x-goog-request-params"] ||= request_params_header

                options.apply_defaults timeout:      @config.rpcs.create_flow.timeout,
                                       metadata:     metadata,
                                       retry_policy: @config.rpcs.create_flow.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @flows_stub.call_rpc :create_flow, request, options: options do |response, operation|
                  yield response, operation if block_given?
                  return response
                end
              rescue ::GRPC::BadStatus => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Deletes a specified flow.
              #
              # @overload delete_flow(request, options = nil)
              #   Pass arguments to `delete_flow` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::CX::V3::DeleteFlowRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::CX::V3::DeleteFlowRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries, etc. Optional.
              #
              # @overload delete_flow(name: nil, force: nil)
              #   Pass arguments to `delete_flow` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param name [::String]
              #     Required. The name of the flow to delete.
              #     Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
              #     ID>/flows/<Flow ID>`.
              #   @param force [::Boolean]
              #     This field has no effect for flows with no incoming transitions.
              #     For flows with incoming transitions:
              #
              #     *  If `force` is set to false, an error will be returned with message
              #        indicating the incoming transitions.
              #     *  If `force` is set to true, Dialogflow will remove the flow, as well as
              #        any transitions to the flow (i.e. [Target
              #        flow][EventHandler.target_flow] in event handlers or [Target
              #        flow][TransitionRoute.target_flow] in transition routes that point to
              #        this flow will be cleared).
              #
              # @yield [response, operation] Access the result along with the RPC operation
              # @yieldparam response [::Google::Protobuf::Empty]
              # @yieldparam operation [::GRPC::ActiveCall::Operation]
              #
              # @return [::Google::Protobuf::Empty]
              #
              # @raise [::Google::Cloud::Error] if the RPC is aborted.
              #
              def delete_flow request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::CX::V3::DeleteFlowRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                metadata = @config.rpcs.delete_flow.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::CX::V3::VERSION
                metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                header_params = {
                  "name" => request.name
                }
                request_params_header = header_params.map { |k, v| "#{k}=#{v}" }.join("&")
                metadata[:"x-goog-request-params"] ||= request_params_header

                options.apply_defaults timeout:      @config.rpcs.delete_flow.timeout,
                                       metadata:     metadata,
                                       retry_policy: @config.rpcs.delete_flow.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @flows_stub.call_rpc :delete_flow, request, options: options do |response, operation|
                  yield response, operation if block_given?
                  return response
                end
              rescue ::GRPC::BadStatus => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Returns the list of all flows in the specified agent.
              #
              # @overload list_flows(request, options = nil)
              #   Pass arguments to `list_flows` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::CX::V3::ListFlowsRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::CX::V3::ListFlowsRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries, etc. Optional.
              #
              # @overload list_flows(parent: nil, page_size: nil, page_token: nil, language_code: nil)
              #   Pass arguments to `list_flows` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param parent [::String]
              #     Required. The agent containing the flows.
              #     Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent ID>`.
              #   @param page_size [::Integer]
              #     The maximum number of items to return in a single page. By default 100 and
              #     at most 1000.
              #   @param page_token [::String]
              #     The next_page_token value returned from a previous list request.
              #   @param language_code [::String]
              #     The language to list flows for. The following fields are language
              #     dependent:
              #
              #     *  `Flow.event_handlers.trigger_fulfillment.messages`
              #     *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
              #     *  `Flow.transition_routes.trigger_fulfillment.messages`
              #     *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
              #
              #     If not specified, the agent's default language is used.
              #     [Many
              #     languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
              #     are supported.
              #     Note: languages must be enabled in the agent before they can be used.
              #
              # @yield [response, operation] Access the result along with the RPC operation
              # @yieldparam response [::Gapic::PagedEnumerable<::Google::Cloud::Dialogflow::CX::V3::Flow>]
              # @yieldparam operation [::GRPC::ActiveCall::Operation]
              #
              # @return [::Gapic::PagedEnumerable<::Google::Cloud::Dialogflow::CX::V3::Flow>]
              #
              # @raise [::Google::Cloud::Error] if the RPC is aborted.
              #
              def list_flows request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::CX::V3::ListFlowsRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                metadata = @config.rpcs.list_flows.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::CX::V3::VERSION
                metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                header_params = {
                  "parent" => request.parent
                }
                request_params_header = header_params.map { |k, v| "#{k}=#{v}" }.join("&")
                metadata[:"x-goog-request-params"] ||= request_params_header

                options.apply_defaults timeout:      @config.rpcs.list_flows.timeout,
                                       metadata:     metadata,
                                       retry_policy: @config.rpcs.list_flows.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @flows_stub.call_rpc :list_flows, request, options: options do |response, operation|
                  response = ::Gapic::PagedEnumerable.new @flows_stub, :list_flows, request, response, operation, options
                  yield response, operation if block_given?
                  return response
                end
              rescue ::GRPC::BadStatus => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Retrieves the specified flow.
              #
              # @overload get_flow(request, options = nil)
              #   Pass arguments to `get_flow` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::CX::V3::GetFlowRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::CX::V3::GetFlowRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries, etc. Optional.
              #
              # @overload get_flow(name: nil, language_code: nil)
              #   Pass arguments to `get_flow` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param name [::String]
              #     Required. The name of the flow to get.
              #     Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
              #     ID>/flows/<Flow ID>`.
              #   @param language_code [::String]
              #     The language to retrieve the flow for. The following fields are language
              #     dependent:
              #
              #     *  `Flow.event_handlers.trigger_fulfillment.messages`
              #     *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
              #     *  `Flow.transition_routes.trigger_fulfillment.messages`
              #     *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
              #
              #     If not specified, the agent's default language is used.
              #     [Many
              #     languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
              #     are supported.
              #     Note: languages must be enabled in the agent before they can be used.
              #
              # @yield [response, operation] Access the result along with the RPC operation
              # @yieldparam response [::Google::Cloud::Dialogflow::CX::V3::Flow]
              # @yieldparam operation [::GRPC::ActiveCall::Operation]
              #
              # @return [::Google::Cloud::Dialogflow::CX::V3::Flow]
              #
              # @raise [::Google::Cloud::Error] if the RPC is aborted.
              #
              def get_flow request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::CX::V3::GetFlowRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                metadata = @config.rpcs.get_flow.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::CX::V3::VERSION
                metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                header_params = {
                  "name" => request.name
                }
                request_params_header = header_params.map { |k, v| "#{k}=#{v}" }.join("&")
                metadata[:"x-goog-request-params"] ||= request_params_header

                options.apply_defaults timeout:      @config.rpcs.get_flow.timeout,
                                       metadata:     metadata,
                                       retry_policy: @config.rpcs.get_flow.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @flows_stub.call_rpc :get_flow, request, options: options do |response, operation|
                  yield response, operation if block_given?
                  return response
                end
              rescue ::GRPC::BadStatus => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Updates the specified flow.
              #
              # Note: You should always train a flow prior to sending it queries. See the
              # [training
              # documentation](https://cloud.google.com/dialogflow/cx/docs/concept/training).
              #
              # @overload update_flow(request, options = nil)
              #   Pass arguments to `update_flow` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::CX::V3::UpdateFlowRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::CX::V3::UpdateFlowRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries, etc. Optional.
              #
              # @overload update_flow(flow: nil, update_mask: nil, language_code: nil)
              #   Pass arguments to `update_flow` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param flow [::Google::Cloud::Dialogflow::CX::V3::Flow, ::Hash]
              #     Required. The flow to update.
              #   @param update_mask [::Google::Protobuf::FieldMask, ::Hash]
              #     Required. The mask to control which fields get updated. If `update_mask` is not
              #     specified, an error will be returned.
              #   @param language_code [::String]
              #     The language of the following fields in `flow`:
              #
              #     *  `Flow.event_handlers.trigger_fulfillment.messages`
              #     *  `Flow.event_handlers.trigger_fulfillment.conditional_cases`
              #     *  `Flow.transition_routes.trigger_fulfillment.messages`
              #     *  `Flow.transition_routes.trigger_fulfillment.conditional_cases`
              #
              #     If not specified, the agent's default language is used.
              #     [Many
              #     languages](https://cloud.google.com/dialogflow/cx/docs/reference/language)
              #     are supported.
              #     Note: languages must be enabled in the agent before they can be used.
              #
              # @yield [response, operation] Access the result along with the RPC operation
              # @yieldparam response [::Google::Cloud::Dialogflow::CX::V3::Flow]
              # @yieldparam operation [::GRPC::ActiveCall::Operation]
              #
              # @return [::Google::Cloud::Dialogflow::CX::V3::Flow]
              #
              # @raise [::Google::Cloud::Error] if the RPC is aborted.
              #
              def update_flow request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::CX::V3::UpdateFlowRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                metadata = @config.rpcs.update_flow.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::CX::V3::VERSION
                metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                header_params = {
                  "flow.name" => request.flow.name
                }
                request_params_header = header_params.map { |k, v| "#{k}=#{v}" }.join("&")
                metadata[:"x-goog-request-params"] ||= request_params_header

                options.apply_defaults timeout:      @config.rpcs.update_flow.timeout,
                                       metadata:     metadata,
                                       retry_policy: @config.rpcs.update_flow.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @flows_stub.call_rpc :update_flow, request, options: options do |response, operation|
                  yield response, operation if block_given?
                  return response
                end
              rescue ::GRPC::BadStatus => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Trains the specified flow. Note that only the flow in 'draft' environment
              # is trained.
              #
              # Note: You should always train a flow prior to sending it queries. See the
              # [training
              # documentation](https://cloud.google.com/dialogflow/cx/docs/concept/training).
              #
              # @overload train_flow(request, options = nil)
              #   Pass arguments to `train_flow` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::CX::V3::TrainFlowRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::CX::V3::TrainFlowRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries, etc. Optional.
              #
              # @overload train_flow(name: nil)
              #   Pass arguments to `train_flow` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param name [::String]
              #     Required. The flow to train.
              #     Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
              #     ID>/flows/<Flow ID>`.
              #
              # @yield [response, operation] Access the result along with the RPC operation
              # @yieldparam response [::Gapic::Operation]
              # @yieldparam operation [::GRPC::ActiveCall::Operation]
              #
              # @return [::Gapic::Operation]
              #
              # @raise [::Google::Cloud::Error] if the RPC is aborted.
              #
              def train_flow request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::CX::V3::TrainFlowRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                metadata = @config.rpcs.train_flow.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::CX::V3::VERSION
                metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                header_params = {
                  "name" => request.name
                }
                request_params_header = header_params.map { |k, v| "#{k}=#{v}" }.join("&")
                metadata[:"x-goog-request-params"] ||= request_params_header

                options.apply_defaults timeout:      @config.rpcs.train_flow.timeout,
                                       metadata:     metadata,
                                       retry_policy: @config.rpcs.train_flow.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @flows_stub.call_rpc :train_flow, request, options: options do |response, operation|
                  response = ::Gapic::Operation.new response, @operations_client, options: options
                  yield response, operation if block_given?
                  return response
                end
              rescue ::GRPC::BadStatus => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Validates the specified flow and creates or updates validation results.
              # Please call this API after the training is completed to get the complete
              # validation results.
              #
              # @overload validate_flow(request, options = nil)
              #   Pass arguments to `validate_flow` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::CX::V3::ValidateFlowRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::CX::V3::ValidateFlowRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries, etc. Optional.
              #
              # @overload validate_flow(name: nil, language_code: nil)
              #   Pass arguments to `validate_flow` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param name [::String]
              #     Required. The flow to validate.
              #     Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
              #     ID>/flows/<Flow ID>`.
              #   @param language_code [::String]
              #     If not specified, the agent's default language is used.
              #
              # @yield [response, operation] Access the result along with the RPC operation
              # @yieldparam response [::Google::Cloud::Dialogflow::CX::V3::FlowValidationResult]
              # @yieldparam operation [::GRPC::ActiveCall::Operation]
              #
              # @return [::Google::Cloud::Dialogflow::CX::V3::FlowValidationResult]
              #
              # @raise [::Google::Cloud::Error] if the RPC is aborted.
              #
              def validate_flow request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::CX::V3::ValidateFlowRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                metadata = @config.rpcs.validate_flow.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::CX::V3::VERSION
                metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                header_params = {
                  "name" => request.name
                }
                request_params_header = header_params.map { |k, v| "#{k}=#{v}" }.join("&")
                metadata[:"x-goog-request-params"] ||= request_params_header

                options.apply_defaults timeout:      @config.rpcs.validate_flow.timeout,
                                       metadata:     metadata,
                                       retry_policy: @config.rpcs.validate_flow.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @flows_stub.call_rpc :validate_flow, request, options: options do |response, operation|
                  yield response, operation if block_given?
                  return response
                end
              rescue ::GRPC::BadStatus => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Gets the latest flow validation result. Flow validation is performed
              # when ValidateFlow is called.
              #
              # @overload get_flow_validation_result(request, options = nil)
              #   Pass arguments to `get_flow_validation_result` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::CX::V3::GetFlowValidationResultRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::CX::V3::GetFlowValidationResultRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries, etc. Optional.
              #
              # @overload get_flow_validation_result(name: nil, language_code: nil)
              #   Pass arguments to `get_flow_validation_result` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param name [::String]
              #     Required. The flow name.
              #     Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
              #     ID>/flows/<Flow ID>/validationResult`.
              #   @param language_code [::String]
              #     If not specified, the agent's default language is used.
              #
              # @yield [response, operation] Access the result along with the RPC operation
              # @yieldparam response [::Google::Cloud::Dialogflow::CX::V3::FlowValidationResult]
              # @yieldparam operation [::GRPC::ActiveCall::Operation]
              #
              # @return [::Google::Cloud::Dialogflow::CX::V3::FlowValidationResult]
              #
              # @raise [::Google::Cloud::Error] if the RPC is aborted.
              #
              def get_flow_validation_result request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::CX::V3::GetFlowValidationResultRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                metadata = @config.rpcs.get_flow_validation_result.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::CX::V3::VERSION
                metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                header_params = {
                  "name" => request.name
                }
                request_params_header = header_params.map { |k, v| "#{k}=#{v}" }.join("&")
                metadata[:"x-goog-request-params"] ||= request_params_header

                options.apply_defaults timeout:      @config.rpcs.get_flow_validation_result.timeout,
                                       metadata:     metadata,
                                       retry_policy: @config.rpcs.get_flow_validation_result.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @flows_stub.call_rpc :get_flow_validation_result, request, options: options do |response, operation|
                  yield response, operation if block_given?
                  return response
                end
              rescue ::GRPC::BadStatus => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Imports the specified flow to the specified agent from a binary file.
              #
              # Note: You should always train a flow prior to sending it queries. See the
              # [training
              # documentation](https://cloud.google.com/dialogflow/cx/docs/concept/training).
              #
              # @overload import_flow(request, options = nil)
              #   Pass arguments to `import_flow` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::CX::V3::ImportFlowRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::CX::V3::ImportFlowRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries, etc. Optional.
              #
              # @overload import_flow(parent: nil, flow_uri: nil, flow_content: nil, import_option: nil)
              #   Pass arguments to `import_flow` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param parent [::String]
              #     Required. The agent to import the flow into.
              #     Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent ID>`.
              #   @param flow_uri [::String]
              #     The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI
              #     to import flow from. The format of this URI must be
              #     `gs://<bucket-name>/<object-name>`.
              #   @param flow_content [::String]
              #     Uncompressed raw byte content for flow.
              #   @param import_option [::Google::Cloud::Dialogflow::CX::V3::ImportFlowRequest::ImportOption]
              #     Flow import mode. If not specified, `KEEP` is assumed.
              #
              # @yield [response, operation] Access the result along with the RPC operation
              # @yieldparam response [::Gapic::Operation]
              # @yieldparam operation [::GRPC::ActiveCall::Operation]
              #
              # @return [::Gapic::Operation]
              #
              # @raise [::Google::Cloud::Error] if the RPC is aborted.
              #
              def import_flow request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::CX::V3::ImportFlowRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                metadata = @config.rpcs.import_flow.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::CX::V3::VERSION
                metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                header_params = {
                  "parent" => request.parent
                }
                request_params_header = header_params.map { |k, v| "#{k}=#{v}" }.join("&")
                metadata[:"x-goog-request-params"] ||= request_params_header

                options.apply_defaults timeout:      @config.rpcs.import_flow.timeout,
                                       metadata:     metadata,
                                       retry_policy: @config.rpcs.import_flow.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @flows_stub.call_rpc :import_flow, request, options: options do |response, operation|
                  response = ::Gapic::Operation.new response, @operations_client, options: options
                  yield response, operation if block_given?
                  return response
                end
              rescue ::GRPC::BadStatus => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Exports the specified flow to a binary file.
              #
              # Note that resources (e.g. intents, entities, webhooks) that the flow
              # references will also be exported.
              #
              # @overload export_flow(request, options = nil)
              #   Pass arguments to `export_flow` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::CX::V3::ExportFlowRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::CX::V3::ExportFlowRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries, etc. Optional.
              #
              # @overload export_flow(name: nil, flow_uri: nil, include_referenced_flows: nil)
              #   Pass arguments to `export_flow` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param name [::String]
              #     Required. The name of the flow to export.
              #     Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
              #     ID>/flows/<Flow ID>`.
              #   @param flow_uri [::String]
              #     Optional. The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to
              #     export the flow to. The format of this URI must be
              #     `gs://<bucket-name>/<object-name>`.
              #     If left unspecified, the serialized flow is returned inline.
              #   @param include_referenced_flows [::Boolean]
              #     Optional. Whether to export flows referenced by the specified flow.
              #
              # @yield [response, operation] Access the result along with the RPC operation
              # @yieldparam response [::Gapic::Operation]
              # @yieldparam operation [::GRPC::ActiveCall::Operation]
              #
              # @return [::Gapic::Operation]
              #
              # @raise [::Google::Cloud::Error] if the RPC is aborted.
              #
              def export_flow request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::CX::V3::ExportFlowRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                metadata = @config.rpcs.export_flow.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::CX::V3::VERSION
                metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                header_params = {
                  "name" => request.name
                }
                request_params_header = header_params.map { |k, v| "#{k}=#{v}" }.join("&")
                metadata[:"x-goog-request-params"] ||= request_params_header

                options.apply_defaults timeout:      @config.rpcs.export_flow.timeout,
                                       metadata:     metadata,
                                       retry_policy: @config.rpcs.export_flow.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @flows_stub.call_rpc :export_flow, request, options: options do |response, operation|
                  response = ::Gapic::Operation.new response, @operations_client, options: options
                  yield response, operation if block_given?
                  return response
                end
              rescue ::GRPC::BadStatus => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Configuration class for the Flows API.
              #
              # This class represents the configuration for Flows,
              # providing control over timeouts, retry behavior, logging, transport
              # parameters, and other low-level controls. Certain parameters can also be
              # applied individually to specific RPCs. See
              # {::Google::Cloud::Dialogflow::CX::V3::Flows::Client::Configuration::Rpcs}
              # for a list of RPCs that can be configured independently.
              #
              # Configuration can be applied globally to all clients, or to a single client
              # on construction.
              #
              # @example
              #
              #   # Modify the global config, setting the timeout for
              #   # create_flow to 20 seconds,
              #   # and all remaining timeouts to 10 seconds.
              #   ::Google::Cloud::Dialogflow::CX::V3::Flows::Client.configure do |config|
              #     config.timeout = 10.0
              #     config.rpcs.create_flow.timeout = 20.0
              #   end
              #
              #   # Apply the above configuration only to a new client.
              #   client = ::Google::Cloud::Dialogflow::CX::V3::Flows::Client.new do |config|
              #     config.timeout = 10.0
              #     config.rpcs.create_flow.timeout = 20.0
              #   end
              #
              # @!attribute [rw] endpoint
              #   The hostname or hostname:port of the service endpoint.
              #   Defaults to `"dialogflow.googleapis.com"`.
              #   @return [::String]
              # @!attribute [rw] credentials
              #   Credentials to send with calls. You may provide any of the following types:
              #    *  (`String`) The path to a service account key file in JSON format
              #    *  (`Hash`) A service account key as a Hash
              #    *  (`Google::Auth::Credentials`) A googleauth credentials object
              #       (see the [googleauth docs](https://googleapis.dev/ruby/googleauth/latest/index.html))
              #    *  (`Signet::OAuth2::Client`) A signet oauth2 client object
              #       (see the [signet docs](https://googleapis.dev/ruby/signet/latest/Signet/OAuth2/Client.html))
              #    *  (`GRPC::Core::Channel`) a gRPC channel with included credentials
              #    *  (`GRPC::Core::ChannelCredentials`) a gRPC credentails object
              #    *  (`nil`) indicating no credentials
              #   @return [::Object]
              # @!attribute [rw] scope
              #   The OAuth scopes
              #   @return [::Array<::String>]
              # @!attribute [rw] lib_name
              #   The library name as recorded in instrumentation and logging
              #   @return [::String]
              # @!attribute [rw] lib_version
              #   The library version as recorded in instrumentation and logging
              #   @return [::String]
              # @!attribute [rw] channel_args
              #   Extra parameters passed to the gRPC channel. Note: this is ignored if a
              #   `GRPC::Core::Channel` object is provided as the credential.
              #   @return [::Hash]
              # @!attribute [rw] interceptors
              #   An array of interceptors that are run before calls are executed.
              #   @return [::Array<::GRPC::ClientInterceptor>]
              # @!attribute [rw] timeout
              #   The call timeout in seconds.
              #   @return [::Numeric]
              # @!attribute [rw] metadata
              #   Additional gRPC headers to be sent with the call.
              #   @return [::Hash{::Symbol=>::String}]
              # @!attribute [rw] retry_policy
              #   The retry policy. The value is a hash with the following keys:
              #    *  `:initial_delay` (*type:* `Numeric`) - The initial delay in seconds.
              #    *  `:max_delay` (*type:* `Numeric`) - The max delay in seconds.
              #    *  `:multiplier` (*type:* `Numeric`) - The incremental backoff multiplier.
              #    *  `:retry_codes` (*type:* `Array<String>`) - The error codes that should
              #       trigger a retry.
              #   @return [::Hash]
              # @!attribute [rw] quota_project
              #   A separate project against which to charge quota.
              #   @return [::String]
              #
              class Configuration
                extend ::Gapic::Config

                config_attr :endpoint,      "dialogflow.googleapis.com", ::String
                config_attr :credentials,   nil do |value|
                  allowed = [::String, ::Hash, ::Proc, ::Symbol, ::Google::Auth::Credentials, ::Signet::OAuth2::Client, nil]
                  allowed += [::GRPC::Core::Channel, ::GRPC::Core::ChannelCredentials] if defined? ::GRPC
                  allowed.any? { |klass| klass === value }
                end
                config_attr :scope,         nil, ::String, ::Array, nil
                config_attr :lib_name,      nil, ::String, nil
                config_attr :lib_version,   nil, ::String, nil
                config_attr(:channel_args,  { "grpc.service_config_disable_resolution" => 1 }, ::Hash, nil)
                config_attr :interceptors,  nil, ::Array, nil
                config_attr :timeout,       nil, ::Numeric, nil
                config_attr :metadata,      nil, ::Hash, nil
                config_attr :retry_policy,  nil, ::Hash, ::Proc, nil
                config_attr :quota_project, nil, ::String, nil

                # @private
                def initialize parent_config = nil
                  @parent_config = parent_config unless parent_config.nil?

                  yield self if block_given?
                end

                ##
                # Configurations for individual RPCs
                # @return [Rpcs]
                #
                def rpcs
                  @rpcs ||= begin
                    parent_rpcs = nil
                    parent_rpcs = @parent_config.rpcs if defined?(@parent_config) && @parent_config.respond_to?(:rpcs)
                    Rpcs.new parent_rpcs
                  end
                end

                ##
                # Configuration RPC class for the Flows API.
                #
                # Includes fields providing the configuration for each RPC in this service.
                # Each configuration object is of type `Gapic::Config::Method` and includes
                # the following configuration fields:
                #
                #  *  `timeout` (*type:* `Numeric`) - The call timeout in seconds
                #  *  `metadata` (*type:* `Hash{Symbol=>String}`) - Additional gRPC headers
                #  *  `retry_policy (*type:* `Hash`) - The retry policy. The policy fields
                #     include the following keys:
                #      *  `:initial_delay` (*type:* `Numeric`) - The initial delay in seconds.
                #      *  `:max_delay` (*type:* `Numeric`) - The max delay in seconds.
                #      *  `:multiplier` (*type:* `Numeric`) - The incremental backoff multiplier.
                #      *  `:retry_codes` (*type:* `Array<String>`) - The error codes that should
                #         trigger a retry.
                #
                class Rpcs
                  ##
                  # RPC-specific configuration for `create_flow`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :create_flow
                  ##
                  # RPC-specific configuration for `delete_flow`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :delete_flow
                  ##
                  # RPC-specific configuration for `list_flows`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :list_flows
                  ##
                  # RPC-specific configuration for `get_flow`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :get_flow
                  ##
                  # RPC-specific configuration for `update_flow`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :update_flow
                  ##
                  # RPC-specific configuration for `train_flow`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :train_flow
                  ##
                  # RPC-specific configuration for `validate_flow`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :validate_flow
                  ##
                  # RPC-specific configuration for `get_flow_validation_result`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :get_flow_validation_result
                  ##
                  # RPC-specific configuration for `import_flow`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :import_flow
                  ##
                  # RPC-specific configuration for `export_flow`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :export_flow

                  # @private
                  def initialize parent_rpcs = nil
                    create_flow_config = parent_rpcs.create_flow if parent_rpcs.respond_to? :create_flow
                    @create_flow = ::Gapic::Config::Method.new create_flow_config
                    delete_flow_config = parent_rpcs.delete_flow if parent_rpcs.respond_to? :delete_flow
                    @delete_flow = ::Gapic::Config::Method.new delete_flow_config
                    list_flows_config = parent_rpcs.list_flows if parent_rpcs.respond_to? :list_flows
                    @list_flows = ::Gapic::Config::Method.new list_flows_config
                    get_flow_config = parent_rpcs.get_flow if parent_rpcs.respond_to? :get_flow
                    @get_flow = ::Gapic::Config::Method.new get_flow_config
                    update_flow_config = parent_rpcs.update_flow if parent_rpcs.respond_to? :update_flow
                    @update_flow = ::Gapic::Config::Method.new update_flow_config
                    train_flow_config = parent_rpcs.train_flow if parent_rpcs.respond_to? :train_flow
                    @train_flow = ::Gapic::Config::Method.new train_flow_config
                    validate_flow_config = parent_rpcs.validate_flow if parent_rpcs.respond_to? :validate_flow
                    @validate_flow = ::Gapic::Config::Method.new validate_flow_config
                    get_flow_validation_result_config = parent_rpcs.get_flow_validation_result if parent_rpcs.respond_to? :get_flow_validation_result
                    @get_flow_validation_result = ::Gapic::Config::Method.new get_flow_validation_result_config
                    import_flow_config = parent_rpcs.import_flow if parent_rpcs.respond_to? :import_flow
                    @import_flow = ::Gapic::Config::Method.new import_flow_config
                    export_flow_config = parent_rpcs.export_flow if parent_rpcs.respond_to? :export_flow
                    @export_flow = ::Gapic::Config::Method.new export_flow_config

                    yield self if block_given?
                  end
                end
              end
            end
          end
        end
      end
    end
  end
end
