{
    "type": "minecraft:lake",
    "config": {
        "barrier": {
            "type": "minecraft:simple_state_provider",
            "state": {
                "Name": "minecraft:mud"
            }
        },
        "fluid": {
            "type": "minecraft:simple_state_provider",
            "state": {
                "Name": "minecraft:water",
                "Properties": {
                    "level": "0"
                }
            }
        }
    }
}