1syntax = "proto3"; 2 3package test; 4 5service Test { 6 rpc UnaryCall(Input) returns (Output); 7 rpc ServerStream(Input) returns (stream Output); 8 rpc ClientStream(stream Input) returns (Output); 9} 10 11message Input { 12 int32 id = 1; 13 string desc = 2; 14} 15 16message Output { 17 int32 id = 1; 18 string desc = 2; 19} 20