Bug 287621 [CommonNavigator] Add more tracing
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/NavigatorContentService.java
}
	
	/**
	 * 
	 * 
	 * @param elements
	 * @param source
	 */
	public void rememberContribution(NavigatorContentDescriptor source, Object[] elements) {
		for (int i = 0; i < elements.length; i++) {
			if (Policy.DEBUG_RESOLUTION)
				System.out.println("rememberContribution: " + source + ": " + elements[i]);  
			contributionMemory.put(elements[i], source);
		}
	}
	
	/**
	 * 
	 * 
	 * @param element
	 * @param source
	 */
	public void rememberContribution(NavigatorContentDescriptor source, Object element) {
		if (Policy.DEBUG_RESOLUTION)
			System.out.println("rememberContribution: " + source + ": " + element);  
		contributionMemory.put(element, source);
	}
	
	/**
	 * Forget about the specified element