docs: public Node getConfigurationOption (String optionName) {
  		NodeList children = configuration.getChildNodes ();
  		Node configurationOption = null;
  		for (int childIndex = 0; childIndex < children.getLength (); childIndex++) {
  			if (children.item (childIndex).getNodeName ().equals (optionName)) {
  				configurationOption = children.item (childIndex);
  				break;
  			}
  		}
  		return configurationOption;
  	}