grpc-go/reflection/grpc_testing/proto2_ext2.proto

syntax = "proto2";

package grpc.testing;

import "proto2.proto";

extend ToBeExtended {
  optional string frob = 23;
  optional AnotherExtension nitz = 29;
}

message AnotherExtension {
  optional int32 whatchamacallit = 1;
}