{
    "feature": "far_end:ash/vegetation/water/seagrass",
    "placement": [
        {
            "type": "minecraft:count_on_every_layer",
            "count": 150
        },
        {
            "type": "minecraft:block_predicate_filter",
            "predicate": {
                "type": "minecraft:all_of",
                "predicates": [
                    {
                        "type": "minecraft:matching_blocks",
                        "offset": [
                            0,
                            -1,
                            0
                        ],
                        "blocks": [
                            "minecraft:basalt",
                            "minecraft:stone",
                            "minecraft:blackstone"
                        ]
                    },
                    {
                        "type": "minecraft:matching_blocks",
                        "blocks": [
                            "minecraft:water"
                        ]
                    },
                    {
                        "type": "minecraft:matching_blocks",
                        "offset": [
                            0,
                            1,
                            0
                        ],
                        "blocks": [
                            "minecraft:water",
                            "minecraft:air"
                        ]
                    }
                ]
            }
        },
        {
            "type": "minecraft:biome"
        }
    ]
}
