static Int compareTranspilationDateWithServer(O o) {
  Class c = mainClass(o);
  print("c: " + c);
  S progID = programID(c);
  if (eq(progID, "?")) progID = (S) getOpt(c, 'javaxProgramID);
  print("progID: " + progID);
  assertSnippetID(progID);
  Long my = cast getOpt(c, 'myTranspilationDate_value);
  if (my == null) null;
  Long theirs = transpilationDateOnServer(progID);
  ret theirs == null ? null : cmp(my, theirs);
}