protected ISelectable internalGetAllDescriptions(final Resource resource) {
		Iterable<EObject> allContents = new Iterable<EObject>(){
			public Iterator<EObject> iterator() {
				return EcoreUtil.getAllContents(resource, false);
			}
		}; 
		Iterable<IEObjectDescription> allDescriptions = Scopes.scopedElementsFor(allContents, qualifiedNameProvider);
		return new MultimapBasedSelectable(allDescriptions);
	}

	protected ISelectable internalGetAllDescriptions(final Resource resource) {
		IResourceServiceProvider resourceServiceProvider = 
			     rspr.getResourceServiceProvider(resource.getURI());
		Manager resourceDescriptionManager = resourceServiceProvider.getResourceDescriptionManager();
		
		IResourceDescription resourceDescription = resourceDescriptionManager.getResourceDescription(resource);
		
		Iterable<IEObjectDescription> exportedObjects = resourceDescription.getExportedObjects();
		
		return new MultimapBasedSelectable(exportedObjects);
	}