/**
 * StepFun / 阶跃星辰 StepAudio 2.5 ASR.
 * Docs: https://platform.stepfun.com/docs/zh/guides/models/stepaudio-2.5-asr
 * API:  https://platform.stepfun.com/docs/zh/api-reference/audio/transcriptions
 *
 * Env (STT-prefixed — never reuse LLM STEPFUN_API_KEY):
 *   AGIM_STT_STEPFUN_API_KEY
 *   AGIM_STT_STEPFUN_BASE_URL   — optional, default https://api.stepfun.com/v1
 *   AGIM_STT_STEPFUN_MODEL      — optional, default stepaudio-2.5-asr
 */
export declare function isStepfunSpeechConfigured(): boolean;
export declare function transcribeWithStepfun(filePath: string, _opts?: {
    language?: string;
}): Promise<string>;
//# sourceMappingURL=transcribe-stepfun.d.ts.map