{
  "feature": {
    "type": "minecraft:random_patch",
    "config": {
      "tries": 10,
      "xz_spread": 4,
      "y_spread": 3,
      "feature": {
        "feature": {
          "type": "minecraft:block_column",
          "config": {
            "direction": "up",
            "allowed_placement": {
              "type": "minecraft:true"
            },
            "prioritize_tip": false,
            "layers": [
              {
                "height": 1,
                "provider": {
                  "type": "minecraft:dual_noise_provider",
                  "seed": 0,
                  "noise": {
                    "firstOctave": -3,
                    "amplitudes": [
                      0.25,
                      1.25
                    ]
                  },
                  "scale": 1,
                  "variety": {
                    "min_inclusive": 1,
                    "max_inclusive": 8
                  },
                  "slow_noise": {
                    "firstOctave": -4,
                    "amplitudes": [
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                      1
                    ]
                  },
                  "slow_scale": 1,
                  "states": [
                    {
                      "Name": "minecraft:red_mushroom"
                    },
                    {
                      "Name": "minecraft:brown_mushroom"
                    },
                    {
                      "Name": "minecraft:brown_mushroom"
                    },
                    {
                      "Name": "minecraft:brown_mushroom"
                    },
                    {
                      "Name": "minecraft:red_mushroom"
                    },
                    {
                      "Name": "minecraft:red_mushroom"
                    },
                    {
                      "Name": "minecraft:red_mushroom"
                    },
                    {
                      "Name": "minecraft:brown_mushroom"
                    }
                  ]
                }
              }
            ]
          }
        },
        "placement": [
          {
            "type": "minecraft:block_predicate_filter",
            "predicate": {
              "type": "minecraft:all_of",
              "predicates": [
                {
                  "type": "minecraft:not",
                  "predicate": {
                    "type": "minecraft:matching_blocks",
                    "offset": [
                      0,
                      -1,
                      0
                    ],
                    "blocks": [
                      "minecraft:stone",
                      "minecraft:deepslate",
                      "minecraft:granite",
                      "minecraft:andesite",
                      "minecraft:diorite"
                    ]
                  }
                },
                {
                  "type": "minecraft:matching_blocks",
                  "offset": [
                    0,
                    0,
                    0
                  ],
                  "blocks": [
                    "minecraft:air",
                    "minecraft:cave_air"
                  ]
                },
                {
                  "type": "minecraft:any_of",
                  "predicates": [
                    {
                      "type": "minecraft:would_survive",
                      "state": {
                        "Name": "minecraft:brown_mushroom"
                      }
                    },
                    {
                      "type": "minecraft:matching_blocks",
                      "offset": [
                        0,
                        -1,
                        0
                      ],
                      "blocks": [
                        "minecraft:rooted_dirt",
                        "minecraft:gravel",
                        "minecraft:coarse_dirt"
                      ]
                    }
                  ]
                }
              ]
            }
          }
        ]
      }
    }
  },
  "placement": [
    {
      "type": "minecraft:count_on_every_layer",
      "count": {
        "type": "minecraft:uniform",
        "value": {
          "min_inclusive": 12,
          "max_inclusive": 15
        }
      }
    },
    {
      "type": "minecraft:biome"
    }
  ]
}
