// Copyright 2025 Envoy Project Authors
//
// 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 envoy.annotations;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/annotations";

import "google/protobuf/descriptor.proto";

// [#protodoc-title: Resource]

// Magic number in this file derived from top 28bit of SHA256 digest of "envoy.annotation.resource".
extend google.protobuf.ServiceOptions {
  ResourceAnnotation resource = 265073217;
}

message ResourceAnnotation {
  // Annotation for xDS services that indicates the fully-qualified Protobuf type for the resource
  // type.
  string type = 1;
}
