@NotNull
  @Override
  protected String buildErrorString(Object... infos) {
    final Character c = (Character)infos[0];
    if (c == '\n') {
      return InspectionGadgetsBundle.message("unnecessary.unicode.escape.problem.newline.descriptor");
    }
    return InspectionGadgetsBundle.message("unnecessary.unicode.escape.problem.descriptor", (c == '\t') ? "\\t" : c);
  }
@NotNull
  @Override
  protected String buildErrorString(Object... infos)