[
  {
    "type": "item_group",
    "id": "farming_seeds",
    "copy-from": "farming_seeds",
    "extend": { "items": [ [ "seed_melon", 60 ], [ "seed_banana", 60 ], [ "seed_kiwi", 60 ] ] }
  },
  {
    "type": "item_group",
    "id": "hydro",
    "copy-from": "hydro",
    "extend": {
      "items": [ [ "melon", 2 ], [ "banana", 6 ], [ "kiwi", 4 ], [ "seed_melon", 1 ], [ "seed_banana", 1 ], [ "seed_kiwi", 1 ] ]
    }
  }
]
