{
  "feature": "nullscape:glowstone/roots",
  "placement": [
    {
      "type": "minecraft:noise_based_count",
      "noise_to_count_ratio": -1,
      "noise_factor": 1800,
      "noise_offset": 0
    },
    {
      "type": "minecraft:noise_based_count",
      "noise_to_count_ratio": 1,
      "noise_factor": 1100,
      "noise_offset": 0
    },
    {
      "type": "minecraft:count",
      "count": 250
    },
    {
      "type": "minecraft:count",
      "count": 7
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:height_range",
      "height": {
        "type": "minecraft:uniform",
        "min_inclusive": {
          "above_bottom": 1
        },
        "max_inclusive": {
          "below_top": 1
        }
      }
    },
    {
      "type": "minecraft:environment_scan",
      "direction_of_search": "down",
      "max_steps": 32,
      "target_condition": {
        "type": "minecraft:all_of",
        "predicates": [
          {
            "type": "minecraft:replaceable"
          },
          {
            "type": "minecraft:matching_blocks",
            "offset": [
              0,
              -1,
              0
            ],
            "blocks": [
              "minecraft:blackstone"
            ]
          },
          {
            "type": "minecraft:matching_blocks",
            "offset": [
              0,
              -10,
              0
            ],
            "blocks": [
              "minecraft:end_stone"
            ]
          }
        ]
      }
    },
    {
      "type": "minecraft:rarity_filter",
      "chance": 1
    },
    {
      "type": "minecraft:biome"
    }
  ]
}
