{
    "feature": "infinity_cave:ancient_delta/delta",
    "placement": [
      {
        "type": "minecraft:count_on_every_layer",
        "count": 30
      },
      {
        "type": "minecraft:height_range",
        "height": {
          "type": "minecraft:uniform",
          "min_inclusive": {
            "above_bottom": 120
          },
          "max_inclusive": {
            "absolute": 280
          }
        }
      },
      {
        "type": "minecraft:environment_scan",
        "direction_of_search": "down",
        "max_steps": 16,
        "target_condition": {
          "type": "minecraft:true"
        },
        "allowed_search_condition": {
          "type": "minecraft:matching_blocks",
          "blocks": "#infinity_cave:all_but_lava"
        }
      },
      {
        "type": "minecraft:biome"
      }
    ]
  }