public void setUseOnlyAo(boolean useOnlyAo) {
        this.useOnlyAo = useOnlyAo;
        if (material != null) {
            material.setBoolean("UseOnlyAo", useOnlyAo);
        }
    }
debugging only , will be removed

@param useOnlyAo true to enable, false to disable (default=false)
jme3-effects/src/main/java/com/jme3/post/ssao/SSAOFilter.java