minecraft-assets/data/minecraft/datapacks/trade_rebalance/pack.mcmeta

{
  "features": {
    "enabled": [
      "minecraft:trade_rebalance"
    ]
  },
  "pack": {
    "description": {
      "translate": "dataPack.trade_rebalance.description"
    },
    "pack_format": 45
  }
}