# 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/vision/v1p4beta1/product_search_service_pb"

module Google
  module Cloud
    module Vision
      module V1p4beta1
        module ProductSearch
          ##
          # Client for the ProductSearch service.
          #
          # Manages Products and ProductSets of reference images for use in product
          # search. It uses the following resource model:
          #
          # - The API has a collection of
          # {::Google::Cloud::Vision::V1p4beta1::ProductSet ProductSet} resources, named
          # `projects/*/locations/*/productSets/*`, which acts as a way to put different
          # products into groups to limit identification.
          #
          # In parallel,
          #
          # - The API has a collection of
          # {::Google::Cloud::Vision::V1p4beta1::Product Product} resources, named
          #   `projects/*/locations/*/products/*`
          #
          # - Each {::Google::Cloud::Vision::V1p4beta1::Product Product} has a collection of
          # {::Google::Cloud::Vision::V1p4beta1::ReferenceImage ReferenceImage} resources,
          # named
          #   `projects/*/locations/*/products/*/referenceImages/*`
          #
          class Client
            # @private
            API_VERSION = ""

            # @private
            DEFAULT_ENDPOINT_TEMPLATE = "vision.$UNIVERSE_DOMAIN$"

            include Paths

            # @private
            attr_reader :product_search_stub

            ##
            # Configure the ProductSearch Client class.
            #
            # See {::Google::Cloud::Vision::V1p4beta1::ProductSearch::Client::Configuration}
            # for a description of the configuration fields.
            #
            # @example
            #
            #   # Modify the configuration for all ProductSearch clients
            #   ::Google::Cloud::Vision::V1p4beta1::ProductSearch::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", "Vision", "V1p4beta1"]
                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.rpcs.create_product_set.timeout = 600.0
                default_config.rpcs.create_product_set.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: []
                }

                default_config.rpcs.list_product_sets.timeout = 600.0
                default_config.rpcs.list_product_sets.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [4, 14]
                }

                default_config.rpcs.get_product_set.timeout = 600.0
                default_config.rpcs.get_product_set.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [4, 14]
                }

                default_config.rpcs.update_product_set.timeout = 600.0
                default_config.rpcs.update_product_set.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: []
                }

                default_config.rpcs.delete_product_set.timeout = 600.0
                default_config.rpcs.delete_product_set.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [4, 14]
                }

                default_config.rpcs.create_product.timeout = 600.0
                default_config.rpcs.create_product.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: []
                }

                default_config.rpcs.list_products.timeout = 600.0
                default_config.rpcs.list_products.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [4, 14]
                }

                default_config.rpcs.get_product.timeout = 600.0
                default_config.rpcs.get_product.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [4, 14]
                }

                default_config.rpcs.update_product.timeout = 600.0
                default_config.rpcs.update_product.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: []
                }

                default_config.rpcs.delete_product.timeout = 600.0
                default_config.rpcs.delete_product.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [4, 14]
                }

                default_config.rpcs.create_reference_image.timeout = 600.0
                default_config.rpcs.create_reference_image.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: []
                }

                default_config.rpcs.delete_reference_image.timeout = 600.0
                default_config.rpcs.delete_reference_image.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [4, 14]
                }

                default_config.rpcs.list_reference_images.timeout = 600.0
                default_config.rpcs.list_reference_images.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [4, 14]
                }

                default_config.rpcs.get_reference_image.timeout = 600.0
                default_config.rpcs.get_reference_image.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [4, 14]
                }

                default_config.rpcs.add_product_to_product_set.timeout = 600.0
                default_config.rpcs.add_product_to_product_set.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: []
                }

                default_config.rpcs.remove_product_from_product_set.timeout = 600.0
                default_config.rpcs.remove_product_from_product_set.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: []
                }

                default_config.rpcs.list_products_in_product_set.timeout = 600.0
                default_config.rpcs.list_products_in_product_set.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [4, 14]
                }

                default_config.rpcs.import_product_sets.timeout = 600.0
                default_config.rpcs.import_product_sets.retry_policy = {
                  initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: []
                }

                default_config
              end
              yield @configure if block_given?
              @configure
            end

            ##
            # Configure the ProductSearch 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::Vision::V1p4beta1::ProductSearch::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

            ##
            # The effective universe domain
            #
            # @return [String]
            #
            def universe_domain
              @product_search_stub.universe_domain
            end

            ##
            # Create a new ProductSearch client object.
            #
            # @example
            #
            #   # Create a client using the default configuration
            #   client = ::Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a client using a custom configuration
            #   client = ::Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new do |config|
            #     config.timeout = 10.0
            #   end
            #
            # @yield [config] Configure the ProductSearch 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/vision/v1p4beta1/product_search_service_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.nil? ||
                                       (@config.endpoint == Configuration::DEFAULT_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.quota_project = @quota_project_id
                config.endpoint = @config.endpoint
                config.universe_domain = @config.universe_domain
              end

              @product_search_stub = ::Gapic::ServiceStub.new(
                ::Google::Cloud::Vision::V1p4beta1::ProductSearch::Stub,
                credentials: credentials,
                endpoint: @config.endpoint,
                endpoint_template: DEFAULT_ENDPOINT_TEMPLATE,
                universe_domain: @config.universe_domain,
                channel_args: @config.channel_args,
                interceptors: @config.interceptors,
                channel_pool_config: @config.channel_pool,
                logger: @config.logger
              )

              @product_search_stub.stub_logger&.info do |entry|
                entry.set_system_name
                entry.set_service
                entry.message = "Created client for #{entry.service}"
                entry.set_credentials_fields credentials
                entry.set "customEndpoint", @config.endpoint if @config.endpoint
                entry.set "defaultTimeout", @config.timeout if @config.timeout
                entry.set "quotaProject", @quota_project_id if @quota_project_id
              end
            end

            ##
            # Get the associated client for long-running operations.
            #
            # @return [::Google::Cloud::Vision::V1p4beta1::ProductSearch::Operations]
            #
            attr_reader :operations_client

            ##
            # The logger used for request/response debug logging.
            #
            # @return [Logger]
            #
            def logger
              @product_search_stub.logger
            end

            # Service calls

            ##
            # Creates and returns a new ProductSet resource.
            #
            # Possible errors:
            #
            # * Returns INVALID_ARGUMENT if display_name is missing, or is longer than
            #   4096 characters.
            #
            # @overload create_product_set(request, options = nil)
            #   Pass arguments to `create_product_set` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::CreateProductSetRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::CreateProductSetRequest, ::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_product_set(parent: nil, product_set: nil, product_set_id: nil)
            #   Pass arguments to `create_product_set` 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 project in which the ProductSet should be created.
            #
            #     Format is `projects/PROJECT_ID/locations/LOC_ID`.
            #   @param product_set [::Google::Cloud::Vision::V1p4beta1::ProductSet, ::Hash]
            #     Required. The ProductSet to create.
            #   @param product_set_id [::String]
            #     A user-supplied resource id for this ProductSet. If set, the server will
            #     attempt to use this value as the resource id. If it is already in use, an
            #     error is returned with code ALREADY_EXISTS. Must be at most 128 characters
            #     long. It cannot contain the character `/`.
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Google::Cloud::Vision::V1p4beta1::ProductSet]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Google::Cloud::Vision::V1p4beta1::ProductSet]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::CreateProductSetRequest.new
            #
            #   # Call the create_product_set method.
            #   result = client.create_product_set request
            #
            #   # The returned object is of type Google::Cloud::Vision::V1p4beta1::ProductSet.
            #   p result
            #
            def create_product_set request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::CreateProductSetRequest

              # 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_product_set.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.parent
                header_params["parent"] = request.parent
              end

              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_product_set.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.create_product_set.retry_policy

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

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

            ##
            # Lists ProductSets in an unspecified order.
            #
            # Possible errors:
            #
            # * Returns INVALID_ARGUMENT if page_size is greater than 100, or less
            #   than 1.
            #
            # @overload list_product_sets(request, options = nil)
            #   Pass arguments to `list_product_sets` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::ListProductSetsRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::ListProductSetsRequest, ::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_product_sets(parent: nil, page_size: nil, page_token: nil)
            #   Pass arguments to `list_product_sets` 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 project from which ProductSets should be listed.
            #
            #     Format is `projects/PROJECT_ID/locations/LOC_ID`.
            #   @param page_size [::Integer]
            #     The maximum number of items to return. Default 10, maximum 100.
            #   @param page_token [::String]
            #     The next_page_token returned from a previous List request, if any.
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Gapic::PagedEnumerable<::Google::Cloud::Vision::V1p4beta1::ProductSet>]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Gapic::PagedEnumerable<::Google::Cloud::Vision::V1p4beta1::ProductSet>]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::ListProductSetsRequest.new
            #
            #   # Call the list_product_sets method.
            #   result = client.list_product_sets request
            #
            #   # The returned object is of type Gapic::PagedEnumerable. You can iterate
            #   # over elements, and API calls will be issued to fetch pages as needed.
            #   result.each do |item|
            #     # Each element is of type ::Google::Cloud::Vision::V1p4beta1::ProductSet.
            #     p item
            #   end
            #
            def list_product_sets request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::ListProductSetsRequest

              # 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_product_sets.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.parent
                header_params["parent"] = request.parent
              end

              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_product_sets.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.list_product_sets.retry_policy

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

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

            ##
            # Gets information associated with a ProductSet.
            #
            # Possible errors:
            #
            # * Returns NOT_FOUND if the ProductSet does not exist.
            #
            # @overload get_product_set(request, options = nil)
            #   Pass arguments to `get_product_set` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::GetProductSetRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::GetProductSetRequest, ::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_product_set(name: nil)
            #   Pass arguments to `get_product_set` 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. Resource name of the ProductSet to get.
            #
            #     Format is:
            #     `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Google::Cloud::Vision::V1p4beta1::ProductSet]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Google::Cloud::Vision::V1p4beta1::ProductSet]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::GetProductSetRequest.new
            #
            #   # Call the get_product_set method.
            #   result = client.get_product_set request
            #
            #   # The returned object is of type Google::Cloud::Vision::V1p4beta1::ProductSet.
            #   p result
            #
            def get_product_set request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::GetProductSetRequest

              # 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_product_set.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.name
                header_params["name"] = request.name
              end

              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_product_set.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.get_product_set.retry_policy

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

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

            ##
            # Makes changes to a ProductSet resource.
            # Only display_name can be updated currently.
            #
            # Possible errors:
            #
            # * Returns NOT_FOUND if the ProductSet does not exist.
            # * Returns INVALID_ARGUMENT if display_name is present in update_mask but
            #   missing from the request or longer than 4096 characters.
            #
            # @overload update_product_set(request, options = nil)
            #   Pass arguments to `update_product_set` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::UpdateProductSetRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::UpdateProductSetRequest, ::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_product_set(product_set: nil, update_mask: nil)
            #   Pass arguments to `update_product_set` 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 product_set [::Google::Cloud::Vision::V1p4beta1::ProductSet, ::Hash]
            #     Required. The ProductSet resource which replaces the one on the server.
            #   @param update_mask [::Google::Protobuf::FieldMask, ::Hash]
            #     The {::Google::Protobuf::FieldMask FieldMask} that specifies which fields to
            #     update.
            #     If update_mask isn't specified, all mutable fields are to be updated.
            #     Valid mask path is `display_name`.
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Google::Cloud::Vision::V1p4beta1::ProductSet]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Google::Cloud::Vision::V1p4beta1::ProductSet]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::UpdateProductSetRequest.new
            #
            #   # Call the update_product_set method.
            #   result = client.update_product_set request
            #
            #   # The returned object is of type Google::Cloud::Vision::V1p4beta1::ProductSet.
            #   p result
            #
            def update_product_set request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::UpdateProductSetRequest

              # 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_product_set.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.product_set&.name
                header_params["product_set.name"] = request.product_set.name
              end

              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_product_set.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.update_product_set.retry_policy

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

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

            ##
            # Permanently deletes a ProductSet. Products and ReferenceImages in the
            # ProductSet are not deleted.
            #
            # The actual image files are not deleted from Google Cloud Storage.
            #
            # @overload delete_product_set(request, options = nil)
            #   Pass arguments to `delete_product_set` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::DeleteProductSetRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::DeleteProductSetRequest, ::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_product_set(name: nil)
            #   Pass arguments to `delete_product_set` 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. Resource name of the ProductSet to delete.
            #
            #     Format is:
            #     `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
            #
            # @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.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::DeleteProductSetRequest.new
            #
            #   # Call the delete_product_set method.
            #   result = client.delete_product_set request
            #
            #   # The returned object is of type Google::Protobuf::Empty.
            #   p result
            #
            def delete_product_set request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::DeleteProductSetRequest

              # 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_product_set.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.name
                header_params["name"] = request.name
              end

              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_product_set.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.delete_product_set.retry_policy

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

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

            ##
            # Creates and returns a new product resource.
            #
            # Possible errors:
            #
            # * Returns INVALID_ARGUMENT if display_name is missing or longer than 4096
            #   characters.
            # * Returns INVALID_ARGUMENT if description is longer than 4096 characters.
            # * Returns INVALID_ARGUMENT if product_category is missing or invalid.
            #
            # @overload create_product(request, options = nil)
            #   Pass arguments to `create_product` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::CreateProductRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::CreateProductRequest, ::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_product(parent: nil, product: nil, product_id: nil)
            #   Pass arguments to `create_product` 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 project in which the Product should be created.
            #
            #     Format is
            #     `projects/PROJECT_ID/locations/LOC_ID`.
            #   @param product [::Google::Cloud::Vision::V1p4beta1::Product, ::Hash]
            #     Required. The product to create.
            #   @param product_id [::String]
            #     A user-supplied resource id for this Product. If set, the server will
            #     attempt to use this value as the resource id. If it is already in use, an
            #     error is returned with code ALREADY_EXISTS. Must be at most 128 characters
            #     long. It cannot contain the character `/`.
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Google::Cloud::Vision::V1p4beta1::Product]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Google::Cloud::Vision::V1p4beta1::Product]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::CreateProductRequest.new
            #
            #   # Call the create_product method.
            #   result = client.create_product request
            #
            #   # The returned object is of type Google::Cloud::Vision::V1p4beta1::Product.
            #   p result
            #
            def create_product request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::CreateProductRequest

              # 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_product.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.parent
                header_params["parent"] = request.parent
              end

              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_product.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.create_product.retry_policy

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

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

            ##
            # Lists products in an unspecified order.
            #
            # Possible errors:
            #
            # * Returns INVALID_ARGUMENT if page_size is greater than 100 or less than 1.
            #
            # @overload list_products(request, options = nil)
            #   Pass arguments to `list_products` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::ListProductsRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::ListProductsRequest, ::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_products(parent: nil, page_size: nil, page_token: nil)
            #   Pass arguments to `list_products` 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 project OR ProductSet from which Products should be listed.
            #
            #     Format:
            #     `projects/PROJECT_ID/locations/LOC_ID`
            #   @param page_size [::Integer]
            #     The maximum number of items to return. Default 10, maximum 100.
            #   @param page_token [::String]
            #     The next_page_token returned from a previous List request, if any.
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Gapic::PagedEnumerable<::Google::Cloud::Vision::V1p4beta1::Product>]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Gapic::PagedEnumerable<::Google::Cloud::Vision::V1p4beta1::Product>]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::ListProductsRequest.new
            #
            #   # Call the list_products method.
            #   result = client.list_products request
            #
            #   # The returned object is of type Gapic::PagedEnumerable. You can iterate
            #   # over elements, and API calls will be issued to fetch pages as needed.
            #   result.each do |item|
            #     # Each element is of type ::Google::Cloud::Vision::V1p4beta1::Product.
            #     p item
            #   end
            #
            def list_products request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::ListProductsRequest

              # 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_products.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.parent
                header_params["parent"] = request.parent
              end

              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_products.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.list_products.retry_policy

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

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

            ##
            # Gets information associated with a Product.
            #
            # Possible errors:
            #
            # * Returns NOT_FOUND if the Product does not exist.
            #
            # @overload get_product(request, options = nil)
            #   Pass arguments to `get_product` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::GetProductRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::GetProductRequest, ::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_product(name: nil)
            #   Pass arguments to `get_product` 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. Resource name of the Product to get.
            #
            #     Format is:
            #     `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Google::Cloud::Vision::V1p4beta1::Product]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Google::Cloud::Vision::V1p4beta1::Product]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::GetProductRequest.new
            #
            #   # Call the get_product method.
            #   result = client.get_product request
            #
            #   # The returned object is of type Google::Cloud::Vision::V1p4beta1::Product.
            #   p result
            #
            def get_product request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::GetProductRequest

              # 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_product.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.name
                header_params["name"] = request.name
              end

              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_product.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.get_product.retry_policy

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

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

            ##
            # Makes changes to a Product resource.
            # Only the `display_name`, `description`, and `labels` fields can be updated
            # right now.
            #
            # If labels are updated, the change will not be reflected in queries until
            # the next index time.
            #
            # Possible errors:
            #
            # * Returns NOT_FOUND if the Product does not exist.
            # * Returns INVALID_ARGUMENT if display_name is present in update_mask but is
            #   missing from the request or longer than 4096 characters.
            # * Returns INVALID_ARGUMENT if description is present in update_mask but is
            #   longer than 4096 characters.
            # * Returns INVALID_ARGUMENT if product_category is present in update_mask.
            #
            # @overload update_product(request, options = nil)
            #   Pass arguments to `update_product` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::UpdateProductRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::UpdateProductRequest, ::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_product(product: nil, update_mask: nil)
            #   Pass arguments to `update_product` 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 product [::Google::Cloud::Vision::V1p4beta1::Product, ::Hash]
            #     Required. The Product resource which replaces the one on the server.
            #     product.name is immutable.
            #   @param update_mask [::Google::Protobuf::FieldMask, ::Hash]
            #     The {::Google::Protobuf::FieldMask FieldMask} that specifies which fields
            #     to update.
            #     If update_mask isn't specified, all mutable fields are to be updated.
            #     Valid mask paths include `product_labels`, `display_name`, and
            #     `description`.
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Google::Cloud::Vision::V1p4beta1::Product]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Google::Cloud::Vision::V1p4beta1::Product]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::UpdateProductRequest.new
            #
            #   # Call the update_product method.
            #   result = client.update_product request
            #
            #   # The returned object is of type Google::Cloud::Vision::V1p4beta1::Product.
            #   p result
            #
            def update_product request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::UpdateProductRequest

              # 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_product.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.product&.name
                header_params["product.name"] = request.product.name
              end

              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_product.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.update_product.retry_policy

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

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

            ##
            # Permanently deletes a product and its reference images.
            #
            # Metadata of the product and all its images will be deleted right away, but
            # search queries against ProductSets containing the product may still work
            # until all related caches are refreshed.
            #
            # @overload delete_product(request, options = nil)
            #   Pass arguments to `delete_product` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::DeleteProductRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::DeleteProductRequest, ::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_product(name: nil)
            #   Pass arguments to `delete_product` 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. Resource name of product to delete.
            #
            #     Format is:
            #     `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
            #
            # @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.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::DeleteProductRequest.new
            #
            #   # Call the delete_product method.
            #   result = client.delete_product request
            #
            #   # The returned object is of type Google::Protobuf::Empty.
            #   p result
            #
            def delete_product request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::DeleteProductRequest

              # 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_product.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.name
                header_params["name"] = request.name
              end

              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_product.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.delete_product.retry_policy

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

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

            ##
            # Creates and returns a new ReferenceImage resource.
            #
            # The `bounding_poly` field is optional. If `bounding_poly` is not specified,
            # the system will try to detect regions of interest in the image that are
            # compatible with the product_category on the parent product. If it is
            # specified, detection is ALWAYS skipped. The system converts polygons into
            # non-rotated rectangles.
            #
            # Note that the pipeline will resize the image if the image resolution is too
            # large to process (above 50MP).
            #
            # Possible errors:
            #
            # * Returns INVALID_ARGUMENT if the image_uri is missing or longer than 4096
            #   characters.
            # * Returns INVALID_ARGUMENT if the product does not exist.
            # * Returns INVALID_ARGUMENT if bounding_poly is not provided, and nothing
            #   compatible with the parent product's product_category is detected.
            # * Returns INVALID_ARGUMENT if bounding_poly contains more than 10 polygons.
            #
            # @overload create_reference_image(request, options = nil)
            #   Pass arguments to `create_reference_image` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::CreateReferenceImageRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::CreateReferenceImageRequest, ::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_reference_image(parent: nil, reference_image: nil, reference_image_id: nil)
            #   Pass arguments to `create_reference_image` 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. Resource name of the product in which to create the reference
            #     image.
            #
            #     Format is
            #     `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
            #   @param reference_image [::Google::Cloud::Vision::V1p4beta1::ReferenceImage, ::Hash]
            #     Required. The reference image to create.
            #     If an image ID is specified, it is ignored.
            #   @param reference_image_id [::String]
            #     A user-supplied resource id for the ReferenceImage to be added. If set,
            #     the server will attempt to use this value as the resource id. If it is
            #     already in use, an error is returned with code ALREADY_EXISTS. Must be at
            #     most 128 characters long. It cannot contain the character `/`.
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Google::Cloud::Vision::V1p4beta1::ReferenceImage]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Google::Cloud::Vision::V1p4beta1::ReferenceImage]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::CreateReferenceImageRequest.new
            #
            #   # Call the create_reference_image method.
            #   result = client.create_reference_image request
            #
            #   # The returned object is of type Google::Cloud::Vision::V1p4beta1::ReferenceImage.
            #   p result
            #
            def create_reference_image request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::CreateReferenceImageRequest

              # 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_reference_image.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.parent
                header_params["parent"] = request.parent
              end

              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_reference_image.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.create_reference_image.retry_policy

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

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

            ##
            # Permanently deletes a reference image.
            #
            # The image metadata will be deleted right away, but search queries
            # against ProductSets containing the image may still work until all related
            # caches are refreshed.
            #
            # The actual image files are not deleted from Google Cloud Storage.
            #
            # @overload delete_reference_image(request, options = nil)
            #   Pass arguments to `delete_reference_image` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::DeleteReferenceImageRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::DeleteReferenceImageRequest, ::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_reference_image(name: nil)
            #   Pass arguments to `delete_reference_image` 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 resource name of the reference image to delete.
            #
            #     Format is:
            #
            #     `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`
            #
            # @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.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::DeleteReferenceImageRequest.new
            #
            #   # Call the delete_reference_image method.
            #   result = client.delete_reference_image request
            #
            #   # The returned object is of type Google::Protobuf::Empty.
            #   p result
            #
            def delete_reference_image request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::DeleteReferenceImageRequest

              # 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_reference_image.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.name
                header_params["name"] = request.name
              end

              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_reference_image.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.delete_reference_image.retry_policy

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

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

            ##
            # Lists reference images.
            #
            # Possible errors:
            #
            # * Returns NOT_FOUND if the parent product does not exist.
            # * Returns INVALID_ARGUMENT if the page_size is greater than 100, or less
            #   than 1.
            #
            # @overload list_reference_images(request, options = nil)
            #   Pass arguments to `list_reference_images` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::ListReferenceImagesRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::ListReferenceImagesRequest, ::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_reference_images(parent: nil, page_size: nil, page_token: nil)
            #   Pass arguments to `list_reference_images` 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. Resource name of the product containing the reference images.
            #
            #     Format is
            #     `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`.
            #   @param page_size [::Integer]
            #     The maximum number of items to return. Default 10, maximum 100.
            #   @param page_token [::String]
            #     A token identifying a page of results to be returned. This is the value
            #     of `nextPageToken` returned in a previous reference image list request.
            #
            #     Defaults to the first page if not specified.
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Gapic::PagedEnumerable<::Google::Cloud::Vision::V1p4beta1::ReferenceImage>]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Gapic::PagedEnumerable<::Google::Cloud::Vision::V1p4beta1::ReferenceImage>]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::ListReferenceImagesRequest.new
            #
            #   # Call the list_reference_images method.
            #   result = client.list_reference_images request
            #
            #   # The returned object is of type Gapic::PagedEnumerable. You can iterate
            #   # over elements, and API calls will be issued to fetch pages as needed.
            #   result.each do |item|
            #     # Each element is of type ::Google::Cloud::Vision::V1p4beta1::ReferenceImage.
            #     p item
            #   end
            #
            def list_reference_images request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::ListReferenceImagesRequest

              # 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_reference_images.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.parent
                header_params["parent"] = request.parent
              end

              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_reference_images.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.list_reference_images.retry_policy

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

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

            ##
            # Gets information associated with a ReferenceImage.
            #
            # Possible errors:
            #
            # * Returns NOT_FOUND if the specified image does not exist.
            #
            # @overload get_reference_image(request, options = nil)
            #   Pass arguments to `get_reference_image` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::GetReferenceImageRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::GetReferenceImageRequest, ::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_reference_image(name: nil)
            #   Pass arguments to `get_reference_image` 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 resource name of the ReferenceImage to get.
            #
            #     Format is:
            #
            #     `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID/referenceImages/IMAGE_ID`.
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Google::Cloud::Vision::V1p4beta1::ReferenceImage]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Google::Cloud::Vision::V1p4beta1::ReferenceImage]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::GetReferenceImageRequest.new
            #
            #   # Call the get_reference_image method.
            #   result = client.get_reference_image request
            #
            #   # The returned object is of type Google::Cloud::Vision::V1p4beta1::ReferenceImage.
            #   p result
            #
            def get_reference_image request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::GetReferenceImageRequest

              # 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_reference_image.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.name
                header_params["name"] = request.name
              end

              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_reference_image.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.get_reference_image.retry_policy

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

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

            ##
            # Adds a Product to the specified ProductSet. If the Product is already
            # present, no change is made.
            #
            # One Product can be added to at most 100 ProductSets.
            #
            # Possible errors:
            #
            # * Returns NOT_FOUND if the Product or the ProductSet doesn't exist.
            #
            # @overload add_product_to_product_set(request, options = nil)
            #   Pass arguments to `add_product_to_product_set` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::AddProductToProductSetRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::AddProductToProductSetRequest, ::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 add_product_to_product_set(name: nil, product: nil)
            #   Pass arguments to `add_product_to_product_set` 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 resource name for the ProductSet to modify.
            #
            #     Format is:
            #     `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
            #   @param product [::String]
            #     Required. The resource name for the Product to be added to this ProductSet.
            #
            #     Format is:
            #     `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
            #
            # @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.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::AddProductToProductSetRequest.new
            #
            #   # Call the add_product_to_product_set method.
            #   result = client.add_product_to_product_set request
            #
            #   # The returned object is of type Google::Protobuf::Empty.
            #   p result
            #
            def add_product_to_product_set request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::AddProductToProductSetRequest

              # 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.add_product_to_product_set.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.name
                header_params["name"] = request.name
              end

              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.add_product_to_product_set.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.add_product_to_product_set.retry_policy

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

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

            ##
            # Removes a Product from the specified ProductSet.
            #
            # @overload remove_product_from_product_set(request, options = nil)
            #   Pass arguments to `remove_product_from_product_set` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::RemoveProductFromProductSetRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::RemoveProductFromProductSetRequest, ::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 remove_product_from_product_set(name: nil, product: nil)
            #   Pass arguments to `remove_product_from_product_set` 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 resource name for the ProductSet to modify.
            #
            #     Format is:
            #     `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
            #   @param product [::String]
            #     Required. The resource name for the Product to be removed from this
            #     ProductSet.
            #
            #     Format is:
            #     `projects/PROJECT_ID/locations/LOC_ID/products/PRODUCT_ID`
            #
            # @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.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::RemoveProductFromProductSetRequest.new
            #
            #   # Call the remove_product_from_product_set method.
            #   result = client.remove_product_from_product_set request
            #
            #   # The returned object is of type Google::Protobuf::Empty.
            #   p result
            #
            def remove_product_from_product_set request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::RemoveProductFromProductSetRequest

              # 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.remove_product_from_product_set.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.name
                header_params["name"] = request.name
              end

              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.remove_product_from_product_set.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.remove_product_from_product_set.retry_policy

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

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

            ##
            # Lists the Products in a ProductSet, in an unspecified order. If the
            # ProductSet does not exist, the products field of the response will be
            # empty.
            #
            # Possible errors:
            #
            # * Returns INVALID_ARGUMENT if page_size is greater than 100 or less than 1.
            #
            # @overload list_products_in_product_set(request, options = nil)
            #   Pass arguments to `list_products_in_product_set` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::ListProductsInProductSetRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::ListProductsInProductSetRequest, ::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_products_in_product_set(name: nil, page_size: nil, page_token: nil)
            #   Pass arguments to `list_products_in_product_set` 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 ProductSet resource for which to retrieve Products.
            #
            #     Format is:
            #     `projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`
            #   @param page_size [::Integer]
            #     The maximum number of items to return. Default 10, maximum 100.
            #   @param page_token [::String]
            #     The next_page_token returned from a previous List request, if any.
            #
            # @yield [response, operation] Access the result along with the RPC operation
            # @yieldparam response [::Gapic::PagedEnumerable<::Google::Cloud::Vision::V1p4beta1::Product>]
            # @yieldparam operation [::GRPC::ActiveCall::Operation]
            #
            # @return [::Gapic::PagedEnumerable<::Google::Cloud::Vision::V1p4beta1::Product>]
            #
            # @raise [::Google::Cloud::Error] if the RPC is aborted.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::ListProductsInProductSetRequest.new
            #
            #   # Call the list_products_in_product_set method.
            #   result = client.list_products_in_product_set request
            #
            #   # The returned object is of type Gapic::PagedEnumerable. You can iterate
            #   # over elements, and API calls will be issued to fetch pages as needed.
            #   result.each do |item|
            #     # Each element is of type ::Google::Cloud::Vision::V1p4beta1::Product.
            #     p item
            #   end
            #
            def list_products_in_product_set request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::ListProductsInProductSetRequest

              # 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_products_in_product_set.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.name
                header_params["name"] = request.name
              end

              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_products_in_product_set.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.list_products_in_product_set.retry_policy

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

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

            ##
            # Asynchronous API that imports a list of reference images to specified
            # product sets based on a list of image information.
            #
            # The {::Google::Longrunning::Operation google.longrunning.Operation} API can be
            # used to keep track of the progress and results of the request.
            # `Operation.metadata` contains `BatchOperationMetadata`. (progress)
            # `Operation.response` contains `ImportProductSetsResponse`. (results)
            #
            # The input source of this method is a csv file on Google Cloud Storage.
            # For the format of the csv file please see
            # {::Google::Cloud::Vision::V1p4beta1::ImportProductSetsGcsSource#csv_file_uri ImportProductSetsGcsSource.csv_file_uri}.
            #
            # @overload import_product_sets(request, options = nil)
            #   Pass arguments to `import_product_sets` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::ImportProductSetsRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::ImportProductSetsRequest, ::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_product_sets(parent: nil, input_config: nil)
            #   Pass arguments to `import_product_sets` 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 project in which the ProductSets should be imported.
            #
            #     Format is `projects/PROJECT_ID/locations/LOC_ID`.
            #   @param input_config [::Google::Cloud::Vision::V1p4beta1::ImportProductSetsInputConfig, ::Hash]
            #     Required. The input content for the list of requests.
            #
            # @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.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::ImportProductSetsRequest.new
            #
            #   # Call the import_product_sets method.
            #   result = client.import_product_sets request
            #
            #   # The returned object is of type Gapic::Operation. You can use it to
            #   # check the status of an operation, cancel it, or wait for results.
            #   # Here is how to wait for a response.
            #   result.wait_until_done! timeout: 60
            #   if result.response?
            #     p result.response
            #   else
            #     puts "No response received."
            #   end
            #
            def import_product_sets request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::ImportProductSetsRequest

              # 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_product_sets.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.parent
                header_params["parent"] = request.parent
              end

              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_product_sets.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.import_product_sets.retry_policy

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

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

            ##
            # Asynchronous API to delete all Products in a ProductSet or all Products
            # that are in no ProductSet.
            #
            # If a Product is a member of the specified ProductSet in addition to other
            # ProductSets, the Product will still be deleted.
            #
            # It is recommended to not delete the specified ProductSet until after this
            # operation has completed. It is also recommended to not add any of the
            # Products involved in the batch delete to a new ProductSet while this
            # operation is running because those Products may still end up deleted.
            #
            # It's not possible to undo the PurgeProducts operation. Therefore, it is
            # recommended to keep the csv files used in ImportProductSets (if that was
            # how you originally built the Product Set) before starting PurgeProducts, in
            # case you need to re-import the data after deletion.
            #
            # If the plan is to purge all of the Products from a ProductSet and then
            # re-use the empty ProductSet to re-import new Products into the empty
            # ProductSet, you must wait until the PurgeProducts operation has finished
            # for that ProductSet.
            #
            # The {::Google::Longrunning::Operation google.longrunning.Operation} API can be
            # used to keep track of the progress and results of the request.
            # `Operation.metadata` contains `BatchOperationMetadata`. (progress)
            #
            # @overload purge_products(request, options = nil)
            #   Pass arguments to `purge_products` via a request object, either of type
            #   {::Google::Cloud::Vision::V1p4beta1::PurgeProductsRequest} or an equivalent Hash.
            #
            #   @param request [::Google::Cloud::Vision::V1p4beta1::PurgeProductsRequest, ::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 purge_products(product_set_purge_config: nil, delete_orphan_products: nil, parent: nil, force: nil)
            #   Pass arguments to `purge_products` 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 product_set_purge_config [::Google::Cloud::Vision::V1p4beta1::ProductSetPurgeConfig, ::Hash]
            #     Specify which ProductSet contains the Products to be deleted.
            #
            #     Note: The following parameters are mutually exclusive: `product_set_purge_config`, `delete_orphan_products`. At most one of these parameters can be set. If more than one is set, only one will be used, and it is not defined which one.
            #   @param delete_orphan_products [::Boolean]
            #     If delete_orphan_products is true, all Products that are not in any
            #     ProductSet will be deleted.
            #
            #     Note: The following parameters are mutually exclusive: `delete_orphan_products`, `product_set_purge_config`. At most one of these parameters can be set. If more than one is set, only one will be used, and it is not defined which one.
            #   @param parent [::String]
            #     Required. The project and location in which the Products should be deleted.
            #
            #     Format is `projects/PROJECT_ID/locations/LOC_ID`.
            #   @param force [::Boolean]
            #     The default value is false. Override this value to true to actually perform
            #     the purge.
            #
            # @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.
            #
            # @example Basic example
            #   require "google/cloud/vision/v1p4beta1"
            #
            #   # Create a client object. The client can be reused for multiple calls.
            #   client = Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new
            #
            #   # Create a request. To set request fields, pass in keyword arguments.
            #   request = Google::Cloud::Vision::V1p4beta1::PurgeProductsRequest.new
            #
            #   # Call the purge_products method.
            #   result = client.purge_products request
            #
            #   # The returned object is of type Gapic::Operation. You can use it to
            #   # check the status of an operation, cancel it, or wait for results.
            #   # Here is how to wait for a response.
            #   result.wait_until_done! timeout: 60
            #   if result.response?
            #     p result.response
            #   else
            #     puts "No response received."
            #   end
            #
            def purge_products request, options = nil
              raise ::ArgumentError, "request must be provided" if request.nil?

              request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Vision::V1p4beta1::PurgeProductsRequest

              # 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.purge_products.metadata.to_h

              # Set x-goog-api-client, x-goog-user-project and x-goog-api-version 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::Vision::V1p4beta1::VERSION
              metadata[:"x-goog-api-version"] = API_VERSION unless API_VERSION.empty?
              metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

              header_params = {}
              if request.parent
                header_params["parent"] = request.parent
              end

              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.purge_products.timeout,
                                     metadata:     metadata,
                                     retry_policy: @config.rpcs.purge_products.retry_policy

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

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

            ##
            # Configuration class for the ProductSearch API.
            #
            # This class represents the configuration for ProductSearch,
            # 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::Vision::V1p4beta1::ProductSearch::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_product_set to 20 seconds,
            #   # and all remaining timeouts to 10 seconds.
            #   ::Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.configure do |config|
            #     config.timeout = 10.0
            #     config.rpcs.create_product_set.timeout = 20.0
            #   end
            #
            #   # Apply the above configuration only to a new client.
            #   client = ::Google::Cloud::Vision::V1p4beta1::ProductSearch::Client.new do |config|
            #     config.timeout = 10.0
            #     config.rpcs.create_product_set.timeout = 20.0
            #   end
            #
            # @!attribute [rw] endpoint
            #   A custom service endpoint, as a hostname or hostname:port. The default is
            #   nil, indicating to use the default endpoint in the current universe domain.
            #   @return [::String,nil]
            # @!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://rubydoc.info/gems/googleauth/Google/Auth/Credentials))
            #    *  (`Signet::OAuth2::Client`) A signet oauth2 client object
            #       (see the [signet docs](https://rubydoc.info/gems/signet/Signet/OAuth2/Client))
            #    *  (`GRPC::Core::Channel`) a gRPC channel with included credentials
            #    *  (`GRPC::Core::ChannelCredentials`) a gRPC credentails object
            #    *  (`nil`) indicating no credentials
            #
            #   Warning: If you accept a credential configuration (JSON file or Hash) from an
            #   external source for authentication to Google Cloud, you must validate it before
            #   providing it to a Google API client library. Providing an unvalidated credential
            #   configuration to Google APIs can compromise the security of your systems and data.
            #   For more information, refer to [Validate credential configurations from external
            #   sources](https://cloud.google.com/docs/authentication/external/externally-sourced-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]
            # @!attribute [rw] universe_domain
            #   The universe domain within which to make requests. This determines the
            #   default endpoint URL. The default value of nil uses the environment
            #   universe (usually the default "googleapis.com" universe).
            #   @return [::String,nil]
            # @!attribute [rw] logger
            #   A custom logger to use for request/response debug logging, or the value
            #   `:default` (the default) to construct a default logger, or `nil` to
            #   explicitly disable logging.
            #   @return [::Logger,:default,nil]
            #
            class Configuration
              extend ::Gapic::Config

              # @private
              # The endpoint specific to the default "googleapis.com" universe. Deprecated.
              DEFAULT_ENDPOINT = "vision.googleapis.com"

              config_attr :endpoint,      nil, ::String, nil
              config_attr :credentials,   nil do |value|
                allowed = [::String, ::Hash, ::Proc, ::Symbol, ::Google::Auth::Credentials, ::Google::Auth::BaseClient, ::Signet::OAuth2::Client, nil]
                allowed += [::GRPC::Core::Channel, ::GRPC::Core::ChannelCredentials] if defined? ::GRPC::Core::Channel
                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
              config_attr :universe_domain, nil, ::String, nil
              config_attr :logger, :default, ::Logger, nil, :default

              # @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 for the channel pool
              # @return [::Gapic::ServiceStub::ChannelPool::Configuration]
              #
              def channel_pool
                @channel_pool ||= ::Gapic::ServiceStub::ChannelPool::Configuration.new
              end

              ##
              # Configuration RPC class for the ProductSearch 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_product_set`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :create_product_set
                ##
                # RPC-specific configuration for `list_product_sets`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :list_product_sets
                ##
                # RPC-specific configuration for `get_product_set`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :get_product_set
                ##
                # RPC-specific configuration for `update_product_set`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :update_product_set
                ##
                # RPC-specific configuration for `delete_product_set`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :delete_product_set
                ##
                # RPC-specific configuration for `create_product`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :create_product
                ##
                # RPC-specific configuration for `list_products`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :list_products
                ##
                # RPC-specific configuration for `get_product`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :get_product
                ##
                # RPC-specific configuration for `update_product`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :update_product
                ##
                # RPC-specific configuration for `delete_product`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :delete_product
                ##
                # RPC-specific configuration for `create_reference_image`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :create_reference_image
                ##
                # RPC-specific configuration for `delete_reference_image`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :delete_reference_image
                ##
                # RPC-specific configuration for `list_reference_images`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :list_reference_images
                ##
                # RPC-specific configuration for `get_reference_image`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :get_reference_image
                ##
                # RPC-specific configuration for `add_product_to_product_set`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :add_product_to_product_set
                ##
                # RPC-specific configuration for `remove_product_from_product_set`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :remove_product_from_product_set
                ##
                # RPC-specific configuration for `list_products_in_product_set`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :list_products_in_product_set
                ##
                # RPC-specific configuration for `import_product_sets`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :import_product_sets
                ##
                # RPC-specific configuration for `purge_products`
                # @return [::Gapic::Config::Method]
                #
                attr_reader :purge_products

                # @private
                def initialize parent_rpcs = nil
                  create_product_set_config = parent_rpcs.create_product_set if parent_rpcs.respond_to? :create_product_set
                  @create_product_set = ::Gapic::Config::Method.new create_product_set_config
                  list_product_sets_config = parent_rpcs.list_product_sets if parent_rpcs.respond_to? :list_product_sets
                  @list_product_sets = ::Gapic::Config::Method.new list_product_sets_config
                  get_product_set_config = parent_rpcs.get_product_set if parent_rpcs.respond_to? :get_product_set
                  @get_product_set = ::Gapic::Config::Method.new get_product_set_config
                  update_product_set_config = parent_rpcs.update_product_set if parent_rpcs.respond_to? :update_product_set
                  @update_product_set = ::Gapic::Config::Method.new update_product_set_config
                  delete_product_set_config = parent_rpcs.delete_product_set if parent_rpcs.respond_to? :delete_product_set
                  @delete_product_set = ::Gapic::Config::Method.new delete_product_set_config
                  create_product_config = parent_rpcs.create_product if parent_rpcs.respond_to? :create_product
                  @create_product = ::Gapic::Config::Method.new create_product_config
                  list_products_config = parent_rpcs.list_products if parent_rpcs.respond_to? :list_products
                  @list_products = ::Gapic::Config::Method.new list_products_config
                  get_product_config = parent_rpcs.get_product if parent_rpcs.respond_to? :get_product
                  @get_product = ::Gapic::Config::Method.new get_product_config
                  update_product_config = parent_rpcs.update_product if parent_rpcs.respond_to? :update_product
                  @update_product = ::Gapic::Config::Method.new update_product_config
                  delete_product_config = parent_rpcs.delete_product if parent_rpcs.respond_to? :delete_product
                  @delete_product = ::Gapic::Config::Method.new delete_product_config
                  create_reference_image_config = parent_rpcs.create_reference_image if parent_rpcs.respond_to? :create_reference_image
                  @create_reference_image = ::Gapic::Config::Method.new create_reference_image_config
                  delete_reference_image_config = parent_rpcs.delete_reference_image if parent_rpcs.respond_to? :delete_reference_image
                  @delete_reference_image = ::Gapic::Config::Method.new delete_reference_image_config
                  list_reference_images_config = parent_rpcs.list_reference_images if parent_rpcs.respond_to? :list_reference_images
                  @list_reference_images = ::Gapic::Config::Method.new list_reference_images_config
                  get_reference_image_config = parent_rpcs.get_reference_image if parent_rpcs.respond_to? :get_reference_image
                  @get_reference_image = ::Gapic::Config::Method.new get_reference_image_config
                  add_product_to_product_set_config = parent_rpcs.add_product_to_product_set if parent_rpcs.respond_to? :add_product_to_product_set
                  @add_product_to_product_set = ::Gapic::Config::Method.new add_product_to_product_set_config
                  remove_product_from_product_set_config = parent_rpcs.remove_product_from_product_set if parent_rpcs.respond_to? :remove_product_from_product_set
                  @remove_product_from_product_set = ::Gapic::Config::Method.new remove_product_from_product_set_config
                  list_products_in_product_set_config = parent_rpcs.list_products_in_product_set if parent_rpcs.respond_to? :list_products_in_product_set
                  @list_products_in_product_set = ::Gapic::Config::Method.new list_products_in_product_set_config
                  import_product_sets_config = parent_rpcs.import_product_sets if parent_rpcs.respond_to? :import_product_sets
                  @import_product_sets = ::Gapic::Config::Method.new import_product_sets_config
                  purge_products_config = parent_rpcs.purge_products if parent_rpcs.respond_to? :purge_products
                  @purge_products = ::Gapic::Config::Method.new purge_products_config

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