{
  "config": {
    "half_height": 4,
    "radius": 4,
    "state_provider": {
      "fallback": {
        "state": {
          "Name": "minecraft:snow",
          "Properties": {
            "layers": "1"
          }
        },
        "type": "minecraft:simple_state_provider"
      },
      "rules": []
    },
    "target": {
      "predicates": [
        {
          "blocks": "minecraft:air",
          "type": "minecraft:matching_blocks"
        },
        {
          "predicate": {
            "offset": [
              0,
              -1,
              0
            ],
            "type": "minecraft:replaceable"
          },
          "type": "minecraft:not"
        },
        {
          "state": {
            "Name": "minecraft:snow",
            "Properties": {
              "layers": "1"
            }
          },
          "type": "minecraft:would_survive"
        }
      ],
      "type": "minecraft:all_of"
    }
  },
  "type": "minecraft:disk"
}