{
    "feature": "minecraft:patch_noise_fern",
    "placement": [
        {
            "type": "minecraft:rarity_filter",
            "chance": 2
        },
        {
            "type": "minecraft:in_square"
        },
        {
            "type": "minecraft:count",
            "count": {
                "type": "minecraft:uniform",
                "min_inclusive": 32,
                "max_inclusive": 48
            }
        },
        {
            "type": "minecraft:in_square"
        },
        {
            "type": "minecraft:noise_based_count",
            "noise_to_count_ratio": 6,
            "noise_factor": 8,
            "noise_offset": 0.2
        },
        {
            "type": "minecraft:heightmap",
            "heightmap": "MOTION_BLOCKING"
        },
        {
            "type": "minecraft:biome"
        }
    ]
}