method TelegramClient.prototype.downloadMediaimport { TelegramClient } from "https://deno.land/x/grm@0.8.0/mod.ts"; downloadMedia(messageOrMedia: CustomMessage | Api.Message | Api.TypeMessageMedia, downloadParams?: types.DownloadMediaInterface): Promise<Buffer | string | undefined> | BufferParametersmessageOrMedia: CustomMessage | Api.Message | Api.TypeMessageMediaoptionaldownloadParams: types.DownloadMediaInterfaceReturnsPromise<Buffer | string | undefined> | Buffer