{
    "feature": "terralith:mountains/misty/trees_birch",
    "placement": [
        {
            "type": "minecraft:count",
            "count": 2
        },
        {
            "type": "minecraft:in_square"
        },
        {
            "type": "minecraft:heightmap",
            "heightmap": "WORLD_SURFACE"
        },
        {
            "type": "minecraft:count",
            "count": {
                "type": "minecraft:uniform",
                "min_inclusive": 5,
                "max_inclusive": 9
            }
        },
        {
            "type": "minecraft:block_predicate_filter",
            "predicate": {
                "type": "minecraft:would_survive",
                "state": {
                    "Name": "minecraft:fern"
                }
            }
        },
        {
            "type": "minecraft:biome"
        }
    ]
}