{
  "feature": {
    "config": {
      "to_place": {
        "entries": [
          {
            "data": {
              "Name": "minecraft:short_grass"
            },
            "weight": 1
          },
          {
            "data": {
              "Name": "minecraft:fern"
            },
            "weight": 7
          }
        ],
        "type": "minecraft:weighted_state_provider"
      }
    },
    "type": "minecraft:simple_block"
  },
  "placement": [
    {
      "count": 24,
      "type": "minecraft:count"
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "heightmap": "MOTION_BLOCKING_NO_LEAVES",
      "type": "minecraft:heightmap"
    },
    {
      "predicate": {
        "blocks": "minecraft:air",
        "type": "minecraft:matching_blocks"
      },
      "type": "minecraft:block_predicate_filter"
    },
    {
      "predicate": {
        "blocks": [
          "minecraft:coarse_dirt",
          "minecraft:podzol"
        ],
        "offset": [
          0,
          -1,
          0
        ],
        "type": "minecraft:matching_blocks"
      },
      "type": "minecraft:block_predicate_filter"
    },
    {
      "type": "minecraft:biome"
    }
  ]
}