@Override
    public Collection<V> values() {
        return backingMap.values();
//        ArrayList<V> values = new ArrayList<V>();
//        for (int i = 0; i < entries.size(); i++){
//            ListMapEntry<K,V> entry = entries.get(i);
//            values.add(entry.value);
//        }
//        return values;
    }
Implementation of a Map that favors iteration speed rather than
get/put speed.

@author Kirill Vainer
jme3-core/src/main/java/com/jme3/util/ListMap.java