{
  "feature": "terralith:jungle/amethyst/trees",
  "placement": [
    {
      "type": "minecraft:count",
      "count": {
        "type": "minecraft:weighted_list",
        "distribution": [
          {
            "data": 24,
            "weight": 90
          },
          {
            "data": 25,
            "weight": 10
          }
        ]
      }
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:heightmap",
      "heightmap": "WORLD_SURFACE"
    },
    {
      "type": "minecraft:block_predicate_filter",
      "predicate": {
        "type": "minecraft:would_survive",
        "state": {
          "Name": "minecraft:fern"
        }
      }
    },
    {
      "type": "minecraft:biome"
    }
  ]
}