static Int compareTranspilationDateWithServer(Class c) {
  S progID = programID(c);
  assertSnippetID(progID);
  Long my = getOpt(mainClass(c), 'myTranspilationDate_value);
  if (my == null) null;
  Long theirs = loadVariableDefinition(progID, "myTranspilationDate_value");
  ret theirs == null ? null : cmp(my, theirs);
}