| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596 | // Copyright 2024 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////     http://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.syntax = "proto3";package google.api;option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";option java_multiple_files = true;option java_outer_classname = "SystemParameterProto";option java_package = "com.google.api";option objc_class_prefix = "GAPI";// ### System parameter configuration//// A system parameter is a special kind of parameter defined by the API// system, not by an individual API. It is typically mapped to an HTTP header// and/or a URL query parameter. This configuration specifies which methods// change the names of the system parameters.message SystemParameters {  // Define system parameters.  //  // The parameters defined here will override the default parameters  // implemented by the system. If this field is missing from the service  // config, default system parameters will be used. Default system parameters  // and names is implementation-dependent.  //  // Example: define api key for all methods  //  //     system_parameters  //       rules:  //         - selector: "*"  //           parameters:  //             - name: api_key  //               url_query_parameter: api_key  //  //  // Example: define 2 api key names for a specific method.  //  //     system_parameters  //       rules:  //         - selector: "/ListShelves"  //           parameters:  //             - name: api_key  //               http_header: Api-Key1  //             - name: api_key  //               http_header: Api-Key2  //  // **NOTE:** All service configuration rules follow "last one wins" order.  repeated SystemParameterRule rules = 1;}// Define a system parameter rule mapping system parameter definitions to// methods.message SystemParameterRule {  // Selects the methods to which this rule applies. Use '*' to indicate all  // methods in all APIs.  //  // Refer to [selector][google.api.DocumentationRule.selector] for syntax  // details.  string selector = 1;  // Define parameters. Multiple names may be defined for a parameter.  // For a given method call, only one of them should be used. If multiple  // names are used the behavior is implementation-dependent.  // If none of the specified names are present the behavior is  // parameter-dependent.  repeated SystemParameter parameters = 2;}// Define a parameter's name and location. The parameter may be passed as either// an HTTP header or a URL query parameter, and if both are passed the behavior// is implementation-dependent.message SystemParameter {  // Define the name of the parameter, such as "api_key" . It is case sensitive.  string name = 1;  // Define the HTTP header name to use for the parameter. It is case  // insensitive.  string http_header = 2;  // Define the URL query parameter name to use for the parameter. It is case  // sensitive.  string url_query_parameter = 3;}
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