import { Bot } from "https://deno.land/x/grammy_emoji@v1.1.2/deps.deno.ts";
This is an internal method that you probably will not ever need to call. It is used whenever a new update arrives from the Telegram servers that your bot will handle.
If you're writing a library on top of grammY, check out the documentation of the runner plugin for an example that uses this method.