Bug 315281 update copyrights for 3.6
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/INavigatorContentDescriptor.java
/**
	 * Returns the name of this navigator extension
	 * 
	 * @return the name of this navigator extension
	 */
	String getName();
	/**
	 * Returns the priority of the navigator content extension.
	 * 
	 * @return the priority of the navigator content extension. Returns {@link Priority#NORMAL}
	 *         if no priority was specified.
	 */
	int getPriority();
	
	/**
	 * Returns the extension that this extension must appear before.
	 * 
	 * @return The value specified by the <i>appearsBefore</i> attribute of the
	 *         &lt;navigatorContent/&gt; element.
	 *         
	 * @since 3.5        
	 */
	public String getAppearsBeforeId();
	
	/**
	 * Returns the unique sequence number of this extension.  This is calculated based on
	 * the priority and the appears before and represents the order the extension will appear
	 * relative to the other extensions
	 * 
	 * @return The sequence number of the extension