Bug 331010 Track Model-Element contributors
We need to track which bundle contributed an model element to e.g. look up translations in the right package
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/application/ui/menu/util/MenuSwitch.java
if (result == null) result = caseUIElement(directToolItem);
				if (result == null) result = caseUILabel(directToolItem);
				if (result == null) result = caseApplicationElement(directToolItem);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case MenuPackageImpl.TOOL_BAR_SEPARATOR: {
				MToolBarSeparator toolBarSeparator = (MToolBarSeparator)theEObject;
				T1 result = caseToolBarSeparator(toolBarSeparator);
				if (result == null) result = caseToolBarElement(toolBarSeparator);
				if (result == null) result = caseUIElement(toolBarSeparator);
				if (result == null) result = caseApplicationElement(toolBarSeparator);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case MenuPackageImpl.MENU_CONTRIBUTIONS: {
				MMenuContributions menuContributions = (MMenuContributions)theEObject;
				T1 result = caseMenuContributions(menuContributions);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case MenuPackageImpl.RENDERED_MENU: {
				MRenderedMenu renderedMenu = (MRenderedMenu)theEObject;
				T1 result = caseRenderedMenu(renderedMenu);
				if (result == null) result = caseMenu(renderedMenu);
				if (result == null) result = caseMenuElement(renderedMenu);
				if (result == null) result = caseElementContainer(renderedMenu);
				if (result == null) result = caseUIElement(renderedMenu);
				if (result == null) result = caseUILabel(renderedMenu);
				if (result == null) result = caseApplicationElement(renderedMenu);