protected void parseProperties(Element formField, FormFieldHandler formFieldHandler, BpmnParse bpmnParse, ExpressionManager expressionManager) {
Element propertiesElement = formField.elementNS(BpmnParser.ACTIVITI_BPMN_EXTENSIONS_NS, "properties");
if(propertiesElement != null) {
List<Element> propertyElements = propertiesElement.elementsNS(BpmnParser.ACTIVITI_BPMN_EXTENSIONS_NS, "property");
// use linked hash map to preserve item ordering as provided in XML
Map<String, String> propertyMap = new LinkedHashMap<String, String>();
for (Element property : propertyElements) {
String id = property.attribute("id");