{
  "feature": {
    "type": "minecraft:simple_block",
    "config": {
      "to_place": {
        "type": "minecraft:noise_provider",
        "seed": 1512,
        "noise": {
          "firstOctave": -5,
          "amplitudes": [
            1,
            1
          ]
        },
        "scale": 1,
        "states": [
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:void_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          },
          {
            "Name": "minecraft:cave_air"
          }
        ]
      }
    }
  },
  "placement": [
    {
      "type": "minecraft:count",
      "count": 10
    },
    {
      "type": "minecraft:count",
      "count": 256
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:height_range",
      "height": {
        "type": "minecraft:uniform",
        "min_inclusive": {
          "absolute": -62
        },
        "max_inclusive": {
          "absolute": 192
        }
      }
    },
    {
      "type": "minecraft:block_predicate_filter",
      "predicate": {
        "type": "minecraft:matching_blocks",
        "blocks": [
          "minecraft:air"
        ]
      }
    },
    {
      "type": "minecraft:biome"
    },
    {
      "type": "minecraft:count",
      "count": 75
    },
    {
      "type": "minecraft:random_offset",
      "xz_spread": {
        "type": "minecraft:uniform",
        "value": {
          "min_inclusive": -5,
          "max_inclusive": 5
        }
      },
      "y_spread": {
        "type": "minecraft:uniform",
        "value": {
          "min_inclusive": -5,
          "max_inclusive": 5
        }
      }
    },
    {
      "type": "minecraft:block_predicate_filter",
      "predicate": {
        "type": "minecraft:matching_blocks",
        "blocks": [
          "minecraft:air"
        ]
      }
    }
  ]
}
