@Deprecated
    public default void addClassLoader(ClassLoader loader) {
        
    }
Adds a {@link ClassLoader} that is used to load {@link Class classes}
that are needed for finding and loading Assets. 
This does <strong>not</strong> allow loading assets from that classpath, 
use registerLocator for that.

@param loader A ClassLoader that Classes in asset files can be loaded from.
@deprecated use {@link com.jme3.util.res.Resources}
jme3-core/src/main/java/com/jme3/asset/AssetManager.java