syntax = "proto3";

package message;

service GrpcMessageService {
  rpc returnResponse (Request) returns (Response) {}
  rpc returnStreamResponse (Request) returns (stream Response) {}
  rpc bidirectionalStream(stream Request) returns (stream Response) {}
}

message Request {
    string id = 1;
    string message = 2;
}

message Response {
  string id = 1;
  string message = 2;
}