syntax = "proto3";

package foo.bar.baz;

enum One {
  ONE_UNSPECIFIED = 0;
  ONE_ONE = 1;
}

message Two {
  enum Three {
    THREE_UNSPECIFIED = 0;
    THREE_ONE = 1;
  }
  message Four {}
  message Five { }
  
  string id = 1;
}

service FiveService {
  rpc Six(Two) returns (Two);
}
