{
  "feature": "twilightforest:ore/wood_roots_spread",
  "placement": [
    {
      "type": "minecraft:height_range",
      "height": {
        "type": "minecraft:uniform",
        "max_inclusive": {
          "absolute": 0
        },
        "min_inclusive": {
          "above_bottom": 0
        }
      }
    },
    {
      "type": "twilightforest:no_structure",
      "additional_clearance": 0,
      "occupies_surface": false,
      "occupies_underground": true
    },
    {
      "type": "minecraft:rarity_filter",
      "chance": 40
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:heightmap",
      "heightmap": "MOTION_BLOCKING"
    },
    {
      "type": "minecraft:biome"
    }
  ]
}