Bug 315281 update copyrights for 3.6
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/INavigatorViewerDescriptor.java
* <b>false</b>).
	 */
	String PROP_HIDE_COLLAPSE_ALL_ACTION = "org.eclipse.ui.navigator.hideCollapseAllAction"; 
	/**
	 * {@value} (boolean): True indicates
	 * the "Link With Editor" action should not be available for the user
	 * (defaults to <b>false</b>).
	 */
	String PROP_HIDE_LINK_WITH_EDITOR_ACTION = "org.eclipse.ui.navigator.hideLinkWithEditorAction"; 
	/**
	 * {@value} (string): The help context id to be used for the customize view dialog, if not specified
	 * help will not be available.
	 * @since 3.5
	 */
	String PROP_CUSTOMIZE_VIEW_DIALOG_HELP_CONTEXT = "org.eclipse.ui.navigator.customizeViewDialogHelpContext"; 
	/**
	 * Returns the id of the viewer targeted by this extension.
	 * 
	 * @return the id of the viewer targeted by this extension.
	 */
	String getViewerId();
	/**
	 * The default value of the popup menu id is the viewer id. Clients may
	 * override this value using a <b>navigatorConfiguration</b> extension.
	 * 
	 * @return The id of the context menu of the viewer.
	 */
	String getPopupMenuId();
	/**
	 * Returns true if the content extension of the given id is 'visible'. A