Bug 316298 [Compatibility] Support o.e.ui.menus visibleWhen
We need support in MCoreExpression for entire expressions created by the WorkbenchMenuService. They don't often use ReferenceExpressions to core expression definitions. PW
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/application/ui/impl/UiPackageImpl.java
theUiPackage.createPackageContents();
		theApplicationPackage.createPackageContents();
		theCommandsPackage.createPackageContents();
		theMenuPackage.createPackageContents();
		theBasicPackage.createPackageContents();
		theAdvancedPackage.createPackageContents();
		theBasicPackage_1.createPackageContents();
		
		theUiPackage.initializePackageContents();
		theApplicationPackage.initializePackageContents();
		theCommandsPackage.initializePackageContents();
		theMenuPackage.initializePackageContents();
		theBasicPackage.initializePackageContents();
		theAdvancedPackage.initializePackageContents();
		theBasicPackage_1.initializePackageContents();
		
		theUiPackage.freeze();
  
		
		EPackage.Registry.INSTANCE.put(UiPackageImpl.eNS_URI, theUiPackage);
		return theUiPackage;
	}
	/**
	 * Returns the meta object for class '{@link org.eclipse.e4.ui.model.application.ui.MContext <em>Context</em>}'.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @return the meta object for class '<em>Context</em>'.
	 * @see org.eclipse.e4.ui.model.application.ui.MContext
	 * @generated