import { ConversationForm } from "https://deno.land/x/grammy_conversations@v1.1.0/mod.ts";
Waits until the user sends some text, and returns this text. If the user
does something else, these updates will be skipped. You may specify the
otherwise
handler that is called in such cases. Among other things,
this allows you to tell the user that they need to send some text.