Bug 26979 Outline pop-up: flicker when filtering
1) open the outline pop-up (ctrl-O) 2) type in a letter ->observe that you can watch how the tree items are removed and then added again. Use of setRedraw(false/true) during filtering should avoid this flickering
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/text/JavaSourceViewerConfiguration.java
*/
	protected RuleBasedScanner getCodeScanner() {
		return fJavaTextTools.getCodeScanner();
	}
	
	/**
	 * Returns the Java multiline comment scanner for this configuration.
	 *
	 * @return the Java multiline comment scanner
	 * 
	 * @since 2.0
	 */
	protected RuleBasedScanner getMultilineCommentScanner() {
		return fJavaTextTools.getMultilineCommentScanner();
	}
	
	/**
	 * Returns the Java singleline comment scanner for this configuration.
	 *
	 * @return the Java singleline comment scanner
	 * 
	 * @since 2.0
	 */
	protected RuleBasedScanner getSinglelineCommentScanner() {
		return fJavaTextTools.getSinglelineCommentScanner();
	}
	
	/**
	 * Returns the Java string scanner for this configuration.
	 *