{
	"feature": "minecraft:seagrass_simple",
	"placement": [
		{
			"type": "carving_mask",
			"step": "liquid"
		},
		{
			"type": "minecraft:rarity_filter",
			"chance": 10
		},
		{
			"type": "minecraft:block_predicate_filter",
			"predicate": {
				"predicates": [
					{
						"offset": [
							0,
							-1,
							0
						],
						"blocks": [
							"minecraft:stone"
						],
						"type": "minecraft:matching_blocks"
					},
					{
						"blocks": [
							"minecraft:water"
						],
						"type": "minecraft:matching_blocks"
					},
					{
						"offset": [
							0,
							1,
							0
						],
						"blocks": [
							"minecraft:water"
						],
						"type": "minecraft:matching_blocks"
					}
				],
				"type": "minecraft:all_of"
			}
		},
		{
			"type": "minecraft:biome"
		}
	]
}
