function hasNormalization(args) {
    var constructor = args[0],
        name = args[1];
    var index = constructors.indexOf(constructor);
    if (index < 0 && !isString(constructor)) {
        if (constructorCache.has(constructor)) {
            index = constructors.indexOf(constructorCache.get(constructor));
        } else {
            for (var property in window) {
                if (window[property] === constructor) {
                    index = constructors.indexOf(property);
                    break;
                }
            }
        }
    }
    return index >= 0 && Normalizations[index].hasOwnProperty(name);
}
Used to check if a normalisation exists on a specific class.