chattolib/scripts/protoc_codegen/codegen_request.proto

// Vendored CodeGeneratorRequest (google/protobuf/compiler/codegen_request.proto).
// Reuses the canonical FileDescriptorProto from the installed protobuf package
// so the field numbers always match what `protoc` actually serializes.
syntax = "proto2";
package google.protobuf.compiler;
import "google/protobuf/descriptor.proto";

message CodeGeneratorRequest {
  repeated string file_to_generate = 1;
  optional string parameter = 2;
  optional string language = 3;
  repeated google.protobuf.FileDescriptorProto proto_file = 15;
}