Bug 89036 [preferences] Reduce default code assist auto activation delay
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
* Value is of type <code>Boolean</code>.
	 * </p>
	 * 
	 * @since 3.0
	 */
	public static final String EDITOR_MARK_EXCEPTION_OCCURRENCES= "markExceptionOccurrences"; 
	/**
	 * A named preference that controls whether method exit points are marked.
	 * Only valid if {@link #EDITOR_MARK_OCCURRENCES} is <code>true</code>.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * 
	 * @since 3.0
	 */
	public static final String EDITOR_MARK_METHOD_EXIT_POINTS= "markMethodExitPoints"; 
	/**
	 * A named preference that controls whether method exit points are marked.
	 * Only valid if {@link #EDITOR_MARK_OCCURRENCES} is <code>true</code>.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * 
	 * @since 3.1
	 */
	public static final String EDITOR_MARK_IMPLEMENTORS= "markImplementors"; 
	/**
	 * A named preference prefix for semantic highlighting preferences.
	 * 
	 * @since 3.0