@Override
 public void cleanBindings() {
   super.cleanBindings();
   timeDateButton = null;
   timeCycleButton = null;
   timeDurationButton = null;
 }
  @Override
  public void createBindings(EObject be) {
    super.createBindings(be);

    namespacesTable = new NamespaceListComposite(getPropertySection());
    DefinitionsImpl definitions = (DefinitionsImpl) getBusinessObject();
    DocumentRoot root = (DocumentRoot) definitions.eContainer();
    namespacesTable.bindList(root, Bpmn2Package.eINSTANCE.getDocumentRoot_XMLNSPrefixMap());
    namespacesTable.setTitle("Namespaces"); // $NON-NLS-1$
  }
 @Override
 public void cleanBindings() {
   super.cleanBindings();
   namespacesTable = null;
 }