{
  "feature": "terralith:skylands/winter/extend_down",
  "placement": [
    {
      "type": "minecraft:count",
      "count": 128
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:random_offset",
      "xz_spread": {
        "type": "minecraft:uniform",
        "value": {
          "min_inclusive": -6,
          "max_inclusive": 6
        }
      },
      "y_spread": 0
    },
    {
      "type": "minecraft:height_range",
      "height": {
        "absolute": 230
      }
    },
    {
      "type": "minecraft:environment_scan",
      "direction_of_search": "up",
      "max_steps": 32,
      "target_condition": {
        "type": "minecraft:not",
        "predicate": {
          "type": "minecraft:matching_blocks",
          "blocks": [
            "minecraft:air",
            "minecraft:cave_air"
          ]
        }
      },
      "allowed_search_condition": {
        "type": "minecraft:matching_blocks",
        "blocks": [
          "minecraft:air"
        ]
      }
    },
    {
      "type": "minecraft:biome"
    }
  ]
}
