{
  "type": "block_column",
  "config": {
    "prioritize_tip": true,
    "allowed_placement": {
      "type": "all_of",
      "predicates": [
        {
          "type": "minecraft:any_of",
          "predicates": [
            {
              "type": "minecraft:replaceable"
            },
            {
              "type": "minecraft:matching_block_tag",
              "tag": "minecraft:wool_carpets"
            }
          ]
        },
        {
          "type": "not",
          "predicate": {
            "type": "matching_blocks",
            "blocks": [
              "water",
              "lava"
            ]
          }
        }
      ]
    },
    "direction": "down",
    "layers": [
      {
        "height": {
          "type": "uniform",
          "max_inclusive": 2,
          "min_inclusive": 1
        },
        "provider": {
          "type": "minecraft:weighted_state_provider",
          "entries": [
            {
              "data": {
                "Name": "packed_ice",
                "Properties": {}
              },
              "weight": 4
            },
            {
              "data": {
                "Name": "blue_ice",
                "Properties": {}
              },
              "weight": 5
            }
          ]
        }
      }
    ]
  }
}