Picks an item to use for the given item instead from the specified Villager type. It will copy the count and components to the new item stack. If the Villager type is not present in the map, it will use the existing item stack instead.

{
  "type": "minecraft:item_from_type",
  "types": {
    "minecraft:desert": "minecraft:jungle_boat",
    "minecraft:jungle": "minecraft:jungle_boat",
    "minecraft:plains": "minecraft:oak_boat",
    "minecraft:savanna": "minecraft:acacia_boat",
    "minecraft:snow": "minecraft:spruce_boat",
    "minecraft:swamp": "minecraft:dark_oak_boat",
    "minecraft:taiga": "minecraft:spruce_boat"
  }
}