{
  "config": {
    "allowed_placement": {
      "blocks": "minecraft:water",
      "type": "minecraft:matching_blocks"
    },
    "direction": "up",
    "layers": [
      {
        "height": {
          "type": "minecraft:uniform",
          "min_inclusive": 6,
          "max_inclusive": 10
        },
        "provider": {
          "state": {
            "Name": "minecraft:kelp_plant"
          },
          "type": "minecraft:simple_state_provider"
        }
      },
      {
        "height": 1,
        "provider": {
          "property": "age",
          "source": {
            "state": {
              "Name": "minecraft:kelp",
              "Properties": {
                "age": "25"
              }
            },
            "type": "minecraft:simple_state_provider"
          },
          "values": {
            "type": "minecraft:uniform",
            "min_inclusive": 20,
            "max_inclusive": 25
          },
          "type": "minecraft:randomized_int_state_provider"
        }
      }
    ],
    "prioritize_tip": true
  },
  "type": "minecraft:block_column"
}