docs: public static int validateNetworkPrefixLength(IPVersion ipVersion, CharSequence networkPrefixLength) throws PrefixLenException {
  		try {
  			return Validator.VALIDATOR.validatePrefix(networkPrefixLength, ipVersion);
  		} catch(AddressStringException e) {
  			throw new PrefixLenException(networkPrefixLength, ipVersion, e);
  		}
  	}