interface ChatBoostSourcePremiumimport { type ChatBoostSourcePremium } from "https://deno.land/x/grammy@v1.20.2/types.deno.ts"; The boost was obtained by subscribing to Telegram Premium or by gifting a Telegram Premium subscription to another user. Propertiessource: "premium"Source of the boost, always “premium” user: UserUser that boosted the chat