syntax = "proto3";

package a;

import "google/protobuf/empty.proto";

message One {}
message Two {}
message Three {}
message Four {}
message Five {}
message Six {}
message Seven {}
message Eight {}
message Nine {}
message Ten {}
message Eleven {}
message Twelve {}

service Foo {
  rpc On1(One) returns (Two) {}
  rpc Tw2(Three) returns (Three) {}
  rpc Thre3(Four) returns (One) {}
  rpc Fou4(Five) returns (Six) {}
  rpc Fiv5(Three) returns (Seven) {}
  rpc Si6(Eight) returns (Nine) {}
  rpc Seve7(google.protobuf.Empty) returns (Ten) {}
  rpc Eigh8(Eleven) returns (google.protobuf.Empty) {}
  rpc Nin9(google.protobuf.Empty) returns (google.protobuf.Empty) {}
  rpc Te1(Twelve) returns (Twelve) {}
}
