1package echo;
2//option py_generic_services = true;
3//option cc_generic_services = true;
4option java_generic_services = true;
5option java_package = "echo";
6option java_outer_classname = "EchoProto";
7
8message EchoRequest {
9  required string payload = 1;
10}
11
12message EchoResponse {
13  required string payload = 2;
14}
15
16service EchoService {
17  rpc Echo (EchoRequest) returns (EchoResponse);
18}
19
20