Bug 279452 [Compatibility] Parameterized command mechanism support
Parameterized commands like showView need to be able to access their parameters (like the view ID) PW
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/application/ApplicationPackage.java
EAttribute MAPPLICATION__CONTEXT = eINSTANCE.getMApplication_Context();
		/**
		 * The meta object literal for the '{@link org.eclipse.e4.ui.model.internal.application.MPartImpl <em>MPart</em>}' class.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.e4.ui.model.internal.application.MPartImpl
		 * @see org.eclipse.e4.ui.model.internal.application.ApplicationPackageImpl#getMPart()
		 * @generated
		 */
		EClass MPART = eINSTANCE.getMPart();
		/**
		 * The meta object literal for the '<em><b>Menu</b></em>' containment reference feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference MPART__MENU = eINSTANCE.getMPart_Menu();
		/**
		 * The meta object literal for the '<em><b>Tool Bar</b></em>' containment reference feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference MPART__TOOL_BAR = eINSTANCE.getMPart_ToolBar();
		/**
		 * The meta object literal for the '<em><b>Policy</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */