method Context.prototype.leaveChatimport { Context } from "https://deno.land/x/grammy@v1.27.0/context.ts"; leaveChat(signal?: AbortSignal)Context-aware alias for api.leaveChat. Use this method for your bot to leave a group, supergroup or channel. Returns True on success. Parametersoptionalsignal: AbortSignalOptional AbortSignal to cancel the request Official reference: https://core.telegram.org/bots/api#leavechat