@Override
    public boolean containsValue(Object value) {
        return backingMap.containsValue(value); 
//        for (int i = 0; i < entries.size(); i++){
//            if (valEq(entries.get(i).value, value))
//                return true;
//        }
//        return false;
    }
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