{
  "feature": "nullscape:shadow/simple_coral",
  "placement": [
    {
      "type": "minecraft:count_on_every_layer",
      "count": 80
    },
    {
      "type": "minecraft:block_predicate_filter",
      "predicate": {
        "type": "minecraft:all_of",
        "predicates": [
          {
            "type": "minecraft:replaceable"
          },
          {
            "type": "minecraft:matching_blocks",
            "offset": [
              0,
              -1,
              0
            ],
            "blocks": [
              "minecraft:dead_fire_coral_block",
              "minecraft:dead_bubble_coral_block",
              "minecraft:dead_bubble_coral_block",
              "minecraft:dead_horn_coral_block"
            ]
          }
        ]
      }
    },
    {
      "type": "minecraft:biome"
    }
  ]
}
