public void setUseAo(boolean useAo) {
        this.useAo = useAo;
        if (material != null) {
            material.setBoolean("UseAo", useAo);
        }

    }
debugging only , will be removed

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