{
    "variants": {
        "half=bottom": [
                    { "model": "half_slab_stone" },
                    { "model": "half_slab_stone_1" },
                    { "model": "half_slab_stone_2" },
                    { "model": "half_slab_stone_3" }
                    ],
        "half=top": [
                    { "model": "upper_slab_stone" },
                    { "model": "upper_slab_stone_1" },
                    { "model": "upper_slab_stone_2" },
                    { "model": "upper_slab_stone_3" }
                    ]
    }
}
