Bug 65268 [projection] editor is missing collapse all action for code folding
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
* {@inheritDoc}
		 */
		public void setValue(String name, int value) {
			throw new UnsupportedOperationException();
		}
		/**
		 * {@inheritDoc}
		 */
		public void setValue(String name, long value) {
			throw new UnsupportedOperationException();
		}
		/**
		 * {@inheritDoc}
		 */
		public void setValue(String name, String value) {
			throw new UnsupportedOperationException();
		}
		/**
		 * {@inheritDoc}
		 */
		public void setValue(String name, boolean value) {
			throw new UnsupportedOperationException();
		}
	}
	/**
	 * Cancels the occurrences finder job upon document changes.
	 *
	 * @since 3.0
	 */
	class OccurrencesFinderJobCanceler implements IDocumentListener, ITextInputListener {