public static void removeAttribute(Prim obj, Object attribName) throws Exception { obj.sfRemoveAttribute(attribName);
public static void removeAttribute(Object obj, Object attribName) throws Exception { if (obj instanceof Prim) { ((Prim)obj).sfRemoveAttribute(attribName); } else if (obj instanceof ComponentDescription){ ((ComponentDescription)obj).sfRemoveAttribute(attribName); }
    public static void removeAttribute(Prim obj, Object attribName)        throws Exception {        obj.sfRemoveAttribute(attribName);    }