import { TTS } from '../../agents/providers.js';
/** Configuration options for the Groq text-to-speech (TTS) provider. */
export type GroqTTSOptions = {
    /** Groq API key. Defaults to the `GROQ_API_KEY` environment variable. */
    apiKey?: string;
    /** TTS model ID to use. Default: `'playai-tts'`. */
    model?: string;
    /** Voice to synthesize with. Default: `'Fritz-PlayAI'`. */
    voice?: string;
    /** Intended playback speed multiplier. Accepted for compatibility; currently has no effect. */
    speed?: number;
    /** Intended audio output format. Accepted for compatibility; currently has no effect. */
    responseFormat?: string;
    /** Output audio sample rate in Hz. Default: `24000`. */
    sampleRate?: number;
};
declare class GroqTTSImpl extends TTS {
    static readonly displayName = "GroqTTS";
    _providerName: string;
    apiKey?: string;
    voiceId: string;
    voice: string;
    model: string;
    constructor(opts?: GroqTTSOptions);
    getRuntimeConfig(): Record<string, any>;
}
/** Instance type of a Groq TTS provider. */
export type GroqTTS = GroqTTSImpl;
/** Groq text-to-speech (TTS) provider. */
export declare const GroqTTS: (opts?: GroqTTSOptions) => GroqTTS;
export {};