* during DI parsing.
*/
public void parseCollaboration() {
Element collaboration = rootElement.element("collaboration");
if (collaboration != null) {
for (Element participant : collaboration.elements("participant")) {
String processRef = participant.attribute("processRef");
if (processRef != null) {
ProcessDefinitionImpl procDef = getProcessDefinition(processRef);
if(procDef != null) {
// Set participant process on the procDef, so it can get rendered later on if needed