docs: public Entry<String, String> next()
  	{
  		Entry<K, V> next = propertiesIterator.next();
  		String key = String.valueOf(next.getKey());
  		if ( keyPrefix != null && keyPrefix.length() > 0 )
  		{
  			key = keyPrefix + key;
  		}
  		return new KeyValue(key, String.valueOf(next.getValue()));
  	}