code: @Pure
  	@Inline(value = "$3.formatHex($1, $2)", imported = {StringEscaper.class})
  	public static String formatHex(int amount, int digits) {
  		return StringEscaper.formatHex(amount, digits);
  	}
docs: Format the given int value to hexadecimal.
  
  @param amount the value to convert.
  @param digits the minimal number of digits.
  @return a string representation of the given value.
  @since 15.0