class StringEscaper {

	@Pure
	public static String formatHex(int amount, int digits) {
		final StringBuffer hex = new StringBuffer(Integer.toHexString(amount));
		while (hex.length() < digits) {
			hex.insert(0, "0"); //$NON-NLS-1$
		}
		return hex.toString();
	}

	public  StringEscaper();
	public  StringEscaper(CharSequence toEscapeCharacter, CharSequence... escapeCharacters);

}