Bug 128070 [implementation] Check usage of CustomSourceInformationControl
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
* Only valid if {@link #fMarkOccurrenceAnnotations} is <code>true</code>.
	 * @since 3.0
	 */
	private boolean fMarkMethodExitPoints;
	
	/**
	 * Tells whether to mark targets of <code>break</code> and <code>continue</code> statements in this editor.
	 * Only valid if {@link #fMarkOccurrenceAnnotations} is <code>true</code>.
	 * @since 3.2
	 */
	private boolean fMarkBreakContinueTargets;
	
	/**
	 * Tells whether to mark implementors in this editor.
	 * Only valid if {@link #fMarkOccurrenceAnnotations} is <code>true</code>.
	 * @since 3.1
	 */
	private boolean fMarkImplementors;
	/**
	 * The selection used when forcing occurrence marking
	 * through code.
	 * @since 3.0
	 */
	private ISelection fForcedMarkOccurrencesSelection;
	/**
	 * The document modification stamp at the time when the last
	 * occurrence marking took place.
	 * @since 3.1
	 */
	private long fMarkOccurrenceModificationStamp= IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP;