static void autoRenameSnippet(S id) {
  if (getSnippetType(id) == 42) { // JavaX fragment
    S text = loadSnippet(id);
    L<S> names = findFunctionDefinitions(text);
    if (nempty(names)) {
      S f = first(names);
      S title = getSnippetTitle(id);
      if (!title.startsWith(f)) {
        title = f + addPrefixIfNotEmpty(" - ", title);
        setSnippetTitle_verbose(id, title);
      }
    }
  }
}