import { YandexRequest } from './YandexRequest';
export declare class YandexSpeechKit extends YandexRequest {
    static readonly TTS_API_URL = "https://tts.api.cloud.yandex.net/speech/v1/tts:synthesize";
    static readonly E_GOOD = "good";
    static readonly E_EVIL = "evil";
    static readonly E_NEUTRAL = "neutral";
    static readonly V_OKSANA = "oksana";
    static readonly V_JANE = "jane";
    static readonly V_OMAZH = "omazh";
    static readonly V_ZAHAR = "zahar";
    static readonly V_ERMIL = "ermil";
    static readonly V_SILAERKAN = "silaerkan";
    static readonly V_ERKANYAVAS = "erkanyavas";
    static readonly V_ALYSS = "alyss";
    static readonly V_NICK = "nick";
    static readonly V_ALENA = "alena";
    static readonly V_FILIPP = "filipp";
    static readonly L_RU = "ru-RU";
    static readonly L_EN = "en_EN";
    static readonly L_TR = "tr-TR";
    static readonly F_LPCM = "lpcm";
    static readonly F_OGGOPUS = "oggopus";
    text: string | undefined;
    lang: string;
    voice: string;
    emotion: string;
    speed: number;
    format: string;
    sampleRateHertz: number | undefined;
    folderId: number | null;
    constructor(oauth?: string | null);
    protected _initPost(): void;
    getTts(text?: string | null): Promise<any>;
}