protoc-gen-gotemplate/examples/helpers/helpers.proto

syntax = "proto3";

package dummy;

option go_package = "moul.io/protoc-gen-gotemplate/examples/helpers";

message Dummy1 {
  float aaa = 1;
  string bbb = 2;
  int32 ccc = 3;
  int64 ddd = 4;
  repeated string eee = 5;
}

message Dummy2 {
  float fff = 1;
  Dummy1 ggg = 2;
}

message Dummy3 {}

service DummyService {
  rpc Hhh(Dummy1) returns (Dummy2) {}
  rpc Iii(Dummy2) returns (Dummy1) {}
}