@NonNls
  public static String chopTrailingChars(@NonNls String source, char[] chars) {
    StringBuilder sb = new StringBuilder(source);
    while (true) {
      boolean atLeastOneCharWasChopped = false;
      for (int i = 0; i < chars.length && sb.length() > 0; i++) {
        if (sb.charAt(sb.length() - 1) == chars[i]) {
          sb.deleteCharAt(sb.length() - 1);
          atLeastOneCharWasChopped = true;
        }
      }
      if (!atLeastOneCharWasChopped) {
        break;
      }
    }
    return sb.toString();
  }
@NonNls
  public static String chopTrailingChars(@NonNls String source, char[] chars)