code: protected void parseProperties(Element element, Map<String, String> properties) {
  
      for (Element childElement : element.elements()) {
        if(PROPERTY.equals(childElement.getTagName())) {
          String resolved = PropertyHelper.resolveProperty(System.getProperties(), childElement.getText());
          properties.put(childElement.attribute(NAME), resolved);
        }
      }
  
    }
docs: Transform a
  <pre>
  &lt;properties&gt;
  &lt;property name="name"&gt;value&lt;/property&gt;
  &lt;/properties&gt;
  </pre>
  structure into a properties {@link Map}
  
  Supports resolution of Ant-style placeholders against system properties.