{
    "variants": {
        "normal": [
        { "model": "fern", "weight": 60 },
        { "model": "foliage/fern/fern1", "weight": 30 },
        { "model": "foliage/fern/fern2", "weight": 15 },
        { "model": "foliage/fern/fern3", "weight": 15 }
        ]
    }
}
