public void addColorTarget(FrameBufferTextureTarget colorBuf){
        // checkSetTexture(colorBuf.getTexture(), false);  // TODO: this won't work for levels.
        colorBuf.slot=colorBufs.size();
        colorBufs.add(colorBuf);
    }
A private constructor to inhibit instantiation of this class.
jme3-core/src/main/java/com/jme3/texture/FrameBuffer.java