tests/regression/issue_395/test.proto

syntax = "proto3";

message Error
{
    int32 code = 1;
    string message = 2;
}

message SubSubAMessage
{
    string somestring = 1;
}

message SubSubBMessage
{
    string somestring = 1;
}

message SubMessage
{
    SubSubAMessage subsubmessageA = 1;
    repeated SubSubBMessage subsubmessageB = 2;
}

message Reply
{
    enum Result
    {
        ERROR = 0;
        OK = 1;
        SOME_A = 2;
    }

    Result result = 1;
    Error error = 2;
    SubMessage submessage = 3;
}