export declare const SpeechStreamCodec: {
    readonly Mp3: "mp3";
    readonly Linear16: "linear16";
    readonly Mulaw: "mulaw";
    readonly Alaw: "alaw";
    readonly Opus: "opus";
    readonly Flac: "flac";
    readonly Aac: "aac";
    readonly Wav: "wav";
};
export type SpeechStreamCodec = (typeof SpeechStreamCodec)[keyof typeof SpeechStreamCodec];