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/commands/impl/CommandsPackageImpl.java
createEReference(handlerContainerEClass, HANDLER_CONTAINER__HANDLERS);
		keyBindingEClass = createEClass(KEY_BINDING);
		createEReference(keyBindingEClass, KEY_BINDING__COMMAND);
		createEReference(keyBindingEClass, KEY_BINDING__PARAMETERS);
		keySequenceEClass = createEClass(KEY_SEQUENCE);
		createEAttribute(keySequenceEClass, KEY_SEQUENCE__KEY_SEQUENCE);
		parameterEClass = createEClass(PARAMETER);
		createEAttribute(parameterEClass, PARAMETER__NAME);
		createEAttribute(parameterEClass, PARAMETER__VALUE);
		categoryEClass = createEClass(CATEGORY);
		createEAttribute(categoryEClass, CATEGORY__NAME);
		createEAttribute(categoryEClass, CATEGORY__DESCRIPTION);
		
		parameterizedCommandEDataType = createEDataType(PARAMETERIZED_COMMAND);
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private boolean isInitialized = false;
	/**
	 * Complete the initialization of the package and its meta-model.  This
	 * method is guarded to have no affect on any invocation but its first.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void initializePackageContents() {
		if (isInitialized) return;