package test.lower_case.lowerCamelCase;

message foo {  
  message bar {
    message fooBar {
    }
  } 
}
message baaz {  
  required foo.bar x = 1;
}
enum baaaz {
  abc = 0;
  def = 1;
}

service qux {
  rpc quuuux(baaz) returns (foo);
}