{
  "type": "minecraft:overworld",
  "generator": {
    "type": "minecraft:flat",
    "settings": {
      "biome": "minecraft:plains",
      "lakes": false,
      "features": false,
      "layers": [
        {
          "height": 120,
          "block": "minecraft:air"
        },
        {
          "height": 1,
          "block": "minecraft:bedrock"
        },
        {
          "height": 3,
          "block": "minecraft:dirt"
        },
        {
          "height": 1,
          "block": "minecraft:grass_block"
        }
      ],
      "structure_overrides": []
    }
  }
}