}

    private fun isDot(input: String): Boolean = input == "." || input.equals("%2e", ignoreCase = true)

    private fun isDotDot(input: String): Boolean =
      input == ".." ||
        input.equals("%2e.", ignoreCase = true) ||
        input.equals(".%2e", ignoreCase = true) ||
        input.equals("%2e%2e", ignoreCase = true)

    /**