method tgClient.AbstractTelegramClient.prototype.addEventHandlerimport { tgClient } from "https://deno.land/x/grm@0.8.2/mod.ts"; const { AbstractTelegramClient } = tgClient; addEventHandler(callback: { (event: any): void; }, event?: any): voidParameterscallback: { (event: any): void; }optionalevent: anyReturnsvoid