{
    "feature": "terralith:yellowstone/magma",
    "placement": [
        {
            "type": "minecraft:count",
            "count": {
                "type": "minecraft:uniform",
                "min_inclusive": 2,
                "max_inclusive": 3
            }
        },
        {
            "type": "minecraft:in_square"
        },
        {
            "type": "minecraft:heightmap",
            "heightmap": "OCEAN_FLOOR"
        },
        {
            "type": "minecraft:biome"
        }
    ]
}