{
    "type": "minecraft:overworld",
    "generator": {
      "type": "minecraft:flat",
      "settings": {
        "biome": "backrooms:the_backrooms",
        "lakes": false,
        "features": false,
        "layers": [
          {
            "block": "minecraft:air",
            "height": 47
          },
          {
            "block": "minecraft:barrier",
            "height": 1
          },
          {
            "block": "minecraft:air",
            "height": 16
          }
        ],
        "structure_overrides": []
      }
    }
  }