public static @NotNull CharSequence newBombedCharSequence(@NotNull CharSequence sequence) {
    if (sequence instanceof StringUtil.BombedCharSequence) return sequence;
    return new StringUtil.BombedCharSequence(sequence) {
      @Override
      protected void checkCanceled() {
        ProgressManager.checkCanceled();
      }
    };
  }
public static @NotNull CharSequence newBombedCharSequence(@NotNull CharSequence sequence)