code: @Override
      public Map<String, String> getExtensionProperties() {
          List<Node> props = extension.get("property");
          Map<String, String> properties = new HashMap<String, String>();
  
          for (Node prop : props) {
              properties.put(prop.getAttribute("name"), prop.getText());
          }
          return properties;
      }
docs: /*
  (non-Javadoc)
  
  @see org.jboss.arquillian.impl.configuration.api.ExtensionDef#getExtensionProperties()