@minecraft/creator-tools/data/forms/trade/tradeitem_quantity.form.json

Minecraft Creator Tools command line and libraries.

{
  "fields": [
    {
      "id": "max",
      "title": "max",
      "description": "max",
      "dataType": 0
    },
    {
      "id": "min",
      "title": "min",
      "description": "min",
      "dataType": 0
    }
  ],
  "description": ":Quantity",
  "title": ":Quantity"
}