{
  "feature": {
    "config": {
      "block": "minecraft:glow_lichen",
      "can_be_placed_on": [
        "minecraft:birch_log",
        "minecraft:stripped_birch_log",
        "minecraft:birch_wood",
        "minecraft:stripped_birch_wood"
      ],
      "can_place_on_ceiling": true,
      "can_place_on_floor": true,
      "can_place_on_wall": true,
      "chance_of_spreading": 0.0,
      "search_range": 1
    },
    "type": "minecraft:multiface_growth"
  },
  "placement": [
    {
      "count": 8,
      "type": "minecraft:count"
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "heightmap": "WORLD_SURFACE_WG",
      "type": "minecraft:heightmap"
    },
    {
      "xz_spread": 0,
      "y_spread": {
        "type": "minecraft:uniform",
        "min_inclusive": 0,
        "max_inclusive": 15
      },
      "type": "minecraft:random_offset"
    },
    {
      "type": "minecraft:biome"
    }
  ]
}