method Context.prototype.getChatMemberCountimport { Context } from "https://deno.land/x/grammy@v1.27.0/context.ts"; getChatMemberCount(signal?: AbortSignal)Context-aware alias for api.getChatMemberCount. Use this method to get the number of members in a chat. Returns Int on success. Parametersoptionalsignal: AbortSignalOptional AbortSignal to cancel the request Official reference: https://core.telegram.org/bots/api#getchatmembercount