code: public void parseProperties(Element element, ActivityImpl activity) {
      List<Element> propertyElements = element.elements("property");
      for (Element propertyElement : propertyElements) {
        parseProperty(propertyElement, activity);
      }
    }
docs: Parses the properties of an element (if any) that can contain properties
  (processes, activities, etc.)
  
  Returns true if property subelemens are found.
  
  @param element
  The element that can contain properties.
  @param activity
  The activity where the property declaration is done.