{
	"feature": "upgrade_aquatic:driftwood",
	"placement": [
		{
			"type": "minecraft:count",
			"count": 0
		},
		{
			"type": "minecraft:in_square"
		},
		{
			"type": "minecraft:heightmap",
			"heightmap": "WORLD_SURFACE_WG"
		},
		{
			"type": "minecraft:biome"
		}
	]
}