dispose method

@override Future<void> dispose()

Perform cleanup

Implementation

@override
Future<void> dispose() async {
  this._logger.info("Disposing and closing bot...");

  if (this._options.shutdownHook != null) {
    await this._options.shutdownHook!(this);
  }

  await shardManager.dispose();
  await this._events.dispose();
  await guilds.dispose();
  await users.dispose();

  this._logger.info("Exiting...");
  exit(0);
}