code: void fixRepeatedly(String filename, ImmutableSet<DiagnosticType> unfixableErrors)
        throws IOException {
      for (int i = 0; i < MAX_FIXES; i++) {
        if (!fix(filename, unfixableErrors)) {
          break;
        }
      }
    }
docs: Keep applying fixes to the given file until no more fixes can be found, or until fixes have
  been applied {@code MAX_FIXES} times.