if (node.keys().length != 0) result[0] = true; return !result[0];
String[] keys = node.keys(); if (keys.length == 0) return true; copyFromTo(node, getRootNode().node(node.absolutePath()), keys, 0); return true;
			public boolean visit(IEclipsePreferences node) throws BackingStoreException {				if (node.keys().length != 0)					result[0] = true;				return !result[0];			}