{
  "feature": "hybrid_beta:fancy_oak_seasonal",
  "placement": [
    {
      "predicate": {
        "state": {
          "Properties": {
            "stage": "0"
          },
          "Name": "minecraft:oak_sapling"
        },
        "type": "minecraft:would_survive"
      },
      "type": "minecraft:block_predicate_filter"
    }
  ]
}