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
* The feature id for the '<em><b>URI</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MHANDLER__URI = MCONTRIBUTION__URI;
	/**
	 * The feature id for the '<em><b>Object</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MHANDLER__OBJECT = MCONTRIBUTION__OBJECT;
	/**
	 * The feature id for the '<em><b>Persisted State</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MHANDLER__PERSISTED_STATE = MCONTRIBUTION__PERSISTED_STATE;
	/**
	 * The feature id for the '<em><b>Command</b></em>' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */