{
  "format_version": "beta",
  "minecraft:biome": {
    "description": {
      "identifier": "default:mushroom_caves"
    },
    "components": {
      "minecraft:climate": {
        "downfall": 0.4,
        "temperature": 0.8
      },
      "minecraft:overworld_height": {
        "noise_type": "lowlands"
      },
      "minecraft:replace_biomes": {
        "replacements": [
          {
            "dimension": "minecraft:overworld",
            "targets": [ "minecraft:mushroom_island", "minecraft:mushroom_island_shore" ],
            "amount": 1,
            "noise_frequency_scale": 1
          }
        ]
      },
      "minecraft:tags": {
        "tags": [
          "caves",
          "mushroom_caves",
          "overworld",
          "monster"
        ]
      },
      "minecraft:subsurface_builder": {
        "builder": {
          "type": "minecraft:noise_gradient",
          "noise_seed_string": "minecraft:sulfur_cave_gradient",
          "first_octave": -5,
          "amplitudes": [1.0, 0.0, 1.0],
          "non_replaceable_blocks": [
            "stone"
          ],
          "gradient_blocks": [
            "minecraft:air",
            "minecraft:air",
            "minecraft:air",
            "minecraft:air",
            "minecraft:air"
          ]
        }
      }
    }
  }
}