@Override
    public <T> boolean deleteFromCache(AssetKey<T> key) {
        AssetCache cache = handler.getCache(key.getCacheType());
        if (cache != null) {
            return cache.deleteFromCache(key);
        } else {
            throw new IllegalArgumentException("Key " + key + " specifies no cache.");
        }
    }
<code>AssetManager</code> is the primary method for managing and loading
assets inside jME.

@author Kirill Vainer
jme3-core/src/main/java/com/jme3/asset/DesktopAssetManager.java