{
  "options": {
    "useOldBiomeGenerator [default: false]": false,
    "customNetherBiomeSource [default: true]": true,
    "customEndBiomeSource [default: true]": true,
    "addNetherBiomesByCategory [default: false]": false,
    "addEndBiomesByCategory [default: false]": false,
    "verticalBiomesInTallNether [default: true]": true,
    "biomeSource": {
      "fixEndBiomeSource [default: true]": true,
      "fixNetherBiomeSource [default: true]": true
    }
  },
  "nether": {
    "biomeMap": {
      "biomeSize [default: 256]": 256,
      "biomeVerticalSize(onlyInTallNether) [default: 86]": 86
    }
  },
  "end": {
    "biomeMap": {
      "biomeSizeLand [default: 256]": 256,
      "biomeSizeVoid [default: 256]": 256
    }
  }
}