Bug 343445 [model] transient data does not notify
The new transient data map <String, Object> does not notify about changes and the owner contains a setTransientData(*) member. It should be more like org.eclipse.e4.ui.model.application.MContribution.getPersistedState() PW
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/application/ui/basic/impl/BasicPackageImpl.java
initEClass(windowElementEClass, MWindowElement.class, "WindowElement", IS_ABSTRACT, IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS); 
		initEClass(trimBarEClass, MTrimBar.class, "TrimBar", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS); 
		initEClass(stackElementEClass, MStackElement.class, "StackElement", IS_ABSTRACT, IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS); 
	}
	/**
	 * <!-- begin-user-doc -->
	 * Defines literals for the meta objects that represent
	 * <ul>
	 *   <li>each class,</li>
	 *   <li>each feature of each class,</li>
	 *   <li>each enum,</li>
	 *   <li>and each data type</li>
	 * </ul>
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public interface Literals {
		/**
		 * The meta object literal for the '{@link org.eclipse.e4.ui.model.application.ui.basic.impl.PartImpl <em>Part</em>}' class.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.e4.ui.model.application.ui.basic.impl.PartImpl
		 * @see org.eclipse.e4.ui.model.application.ui.basic.impl.BasicPackageImpl#getPart()
		 * @generated
		 */
		public static final EClass PART = eINSTANCE.getPart();
		/**
		 * The meta object literal for the '<em><b>Menus</b></em>' containment reference list feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->