{
  "feature": "minecraft:melon",
  "placement": [
    {
      "type": "minecraft:rarity_filter",
      "chance": 6
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:heightmap",
      "heightmap": "MOTION_BLOCKING"
    },
    {
      "type": "minecraft:biome"
    },
    {
      "type": "minecraft:count",
      "count": 64
    },
    {
      "type": "minecraft:offset",
      "x": {
        "type": "minecraft:trapezoid",
        "max": 7,
        "min": -7,
        "plateau": 0
      },
      "y": {
        "type": "minecraft:trapezoid",
        "max": 3,
        "min": -3,
        "plateau": 0
      },
      "z": {
        "type": "minecraft:trapezoid",
        "max": 7,
        "min": -7,
        "plateau": 0
      }
    },
    {
      "type": "minecraft:block_predicate_filter",
      "predicate": {
        "type": "minecraft:all_of",
        "predicates": [
          {
            "type": "minecraft:replaceable"
          },
          {
            "type": "minecraft:matching_fluids",
            "fluids": "minecraft:empty"
          },
          {
            "type": "minecraft:matching_blocks",
            "blocks": "minecraft:grass_block",
            "offset": [
              0,
              -1,
              0
            ]
          }
        ]
      }
    }
  ]
}