{
  "placement": {
    "type": "twilightforest:avoid_landmark_grid",
    "frequency": 0.5,
    "salt": 34481210,
    "separation": 5,
    "spacing": 7,
    "spread_type": "triangular"
  },
  "structures": [
    {
      "structure": "twilightforest:hollow_tree",
      "weight": 1
    },
    {
      "structure": "twilightforest:swamp_hollow_tree",
      "weight": 1
    }
  ]
}