{
  "area_condition": {
    "must_have": {
      "block": "minecraft:packed_ice",
      "predicate_type": "minecraft:block_match"
    },
    "type": "neighbor_based_generation"
  },
  "tick_sources": [
    "rain",
    "snow",
    "clear_sky"
  ],
  "growth_chance": 0,
  "target_self": true,
  "position_predicates": [
    {
      "biomes": "#immersive_weathering:icy",
      "type": "biome_match"
    },
    {
      "type": "block_test",
      "predicate": {
        "predicate_type": "immersive_weathering:block_property_test",
        "properties": [
          {
            "from_block": "immersive_weathering:thin_ice",
            "property": "can_expand"
          }
        ]
      }
    }
  ],
  "growth_for_face": [
    {
      "direction": "north",
      "weight": 1,
      "growth": [
        {
          "data": {
            "block": {
              "Name": "minecraft:ice"
            }
          },
          "weight": 1
        }
      ]
    }
  ],
  "owners": ["immersive_weathering:thin_ice"],
  "replacing_target": {
    "fluids": ["minecraft:water"],
    "predicate_type": "immersive_weathering:fluid_match"
  }
}