Bug 277873 [CSS] Exception handling for illegal color name
examples/org.eclipse.e4.ui.examples.css/src/org/eclipse/e4/ui/examples/css/editor/AbstractCSSEditor.java
* 
	 * @return
	 */
	protected abstract boolean mustApplyStylesToWindow();
	/**
	 * Get Window Native Widget.
	 * 
	 * @return
	 */
	protected abstract Object getWindowNativeWidget();
	/**
	 * Get Left Panel Native widget.
	 * 
	 * @return
	 */
	protected abstract Object getLeftPanelNativeWidget();
	/**
	 * Return CSS Serializer configuration for Native Widget.
	 * 
	 * @return
	 */
	protected abstract CSSSerializerConfiguration getCSSNativeWidgetSerializerConfiguration();
	/**
	 * Return CSS Serializer configuration for HTML.
	 * 
	 * @return
	 */
	protected CSSSerializerConfiguration getCSSHTMLSerializerConfiguration() {
		return CSSHTMLSerializerConfiguration.INSTANCE;
	}