syntax = "proto3";

package a;

message Success {}
message SuccessTwo {}
message SuccessFOOThree {
  message fail {}
  message failTwo {
    message fail_three {}
  }
}

message fail {}
message failTwo {}
message fail_three {}
message Fail_four {
  message fail {}
  message failTwo {
    message fail_three {}
  }
}
