docs: protected void parseProcessEnginePlugin(Element element, List<ProcessEnginePluginXml> plugins) {
  
      ProcessEnginePluginXmlImpl plugin = new ProcessEnginePluginXmlImpl();
  
      Map<String, String> properties = new HashMap<String, String>();
  
      for (Element childElement : element.elements()) {
        if(PLUGIN_CLASS.equals(childElement.getTagName())) {
          plugin.setPluginClass(childElement.getText());
  
        } else if(PROPERTIES.equals(childElement.getTagName())) {
          parseProperties(childElement, properties);
  
        }
  
      }
  
      plugin.setProperties(properties);
      plugins.add(plugin);
    }