Bug 31473 Search Engine should not search in working copies that aren't on the build path
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/JavaUI.java
* 
	 * @since 2.0
	 */
	public static String ID_TYPES_VIEW= "org.eclipse.jdt.ui.TypesView"; 
	/**
	 * The view part id of the Java Browsing Members view
	 * (value <code>"org.eclipse.jdt.ui.MembersView"</code>).
	 * 
	 * @since 2.0
	 */
	public static String ID_MEMBERS_VIEW= "org.eclipse.jdt.ui.MembersView"; 
	/**
	 * The class org.eclipse.debug.core.model.IProcess allows attaching
	 * String properties to processes. The Java UI contributes a property
	 * page for IProcess that will show the contents of the property
	 * with this key.
	 * The intent of this property is to show the command line a process
	 * was launched with.
	 * @deprecated
	 */
	public final static String ATTR_CMDLINE= "org.eclipse.jdt.ui.launcher.cmdLine"; 
	/**
	 * Returns the shared images for the Java UI.
	 *
	 * @return the shared images manager
	 */
	public static ISharedImages getSharedImages() {
		if (fgSharedImages == null)
			fgSharedImages= new SharedImages();