Bug 283676 [FieldAssist] ControlDecoration should add @noextend API tooling tag
SSIA
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ControlDecoration.java
*/
	private FocusListener focusListener;
	/**
	 * The dispose listener
	 */
	private DisposeListener disposeListener;
	/**
	 * The paint listener installed for drawing the decoration
	 */
	private PaintListener paintListener;
	/**
	 * The mouse listener installed for tracking the hover
	 */
	private MouseTrackListener mouseTrackListener;
	/**
	 * The mouse move listener installed for tracking the hover
	 */
	private MouseMoveListener mouseMoveListener;
	/**
	 * The untyped listener installed for notifying external listeners
	 */
	private Listener compositeListener;
	/**
	 * Control that we last installed a move listener on. We only want one at a
	 * time.
	 */
	private Control moveListeningTarget = null;
	/**
	 * Debug counter used to match add and remove listeners
	 */