import { TradeOffer } from "https://deno.land/x/steam_trader@v0.4.0/src/trade_offer.ts";
Parameters
optional
item: RequiredItemProps | EconItemx/steam_trader/src/trade_offer.ts>TradeOffer#offerItemChangeGuard
import { TradeOffer } from "https://deno.land/x/steam_trader@v0.4.0/src/trade_offer.ts";