@Contract(pure = true)
  public static boolean equalsTrimWhitespaces(@NotNull CharSequence s1, @NotNull CharSequence s2) {
    return Strings.equalsTrimWhitespaces(s1, s2);
  }
@Contract(pure = true)
  public static boolean equalsTrimWhitespaces(@NotNull CharSequence s1, @NotNull CharSequence s2)