Bug 287103 [CommonNavigator] contentServiceLabelProvider doesn't properly implement overrides
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/NavigatorContentServiceContentProvider.java
return false;
	}
	/**
	 * <p>
	 * Handles any necessary clean up of the {@link NavigatorContentService}
	 * </p>
	 * 
	 * <p>
	 * <b>If a client uses this class outside of the framework of
	 * {@link CommonViewer}, the client must ensure that this method is called
	 * when finished. </b>
	 * </p>
	 * 
	 * @see org.eclipse.jface.viewers.IContentProvider#dispose()
	 */
	public synchronized void dispose() {
		if (isContentServiceSelfManaged) {
			contentService.dispose();
		}
	}
	/**
	 * <p>
	 * Indicates that the current content provider is now representing a
	 * different input element. The input element is the root thing that the
	 * viewer displays.
	 * </p>
	 * <p>
	 * This method should handle any cleanup associated with the old input
	 * element and any initialization associated with the new input element.
	 * </p>