/**
 * @fileoverview Type definitions for text-to-speech providers
 */
export type TTSProvider = "kokoro" | "deepgram";
export interface TTSOptions {
    text: string;
    provider?: TTSProvider;
    voice?: string;
}
export interface TTSResult {
    audio: ArrayBuffer;
    contentType: string;
}
export declare const KOKORO_VOICES: readonly ["af_heart", "af_alloy", "af_aoede", "af_bella", "af_jessica", "af_kore", "af_nicole", "af_nova", "af_river", "af_sarah", "af_sky", "am_adam", "am_echo", "am_eric", "am_fenrir", "am_liam", "am_michael", "am_onyx", "am_puck", "am_santa", "bf_alice", "bf_emma", "bf_isabella", "bf_lily", "bm_daniel", "bm_fable", "bm_george", "bm_lewis"];
export type KokoroVoice = (typeof KOKORO_VOICES)[number];
export interface KokoroVoiceDescription {
    id: string;
    /** Display name, e.g. `Heart` for `af_heart`. */
    name: string;
    /** `American English` or `British English`. */
    accent: string;
    gender: "Female" | "Male";
}
/**
 * Describes a voice from its id, so listings (`--list-voices`, a voice picker)
 * do not need a hand-maintained table that can drift from `KOKORO_VOICES`.
 */
export declare function describeKokoroVoice(id: string): KokoroVoiceDescription;
export declare const DEEPGRAM_SPEAKERS: readonly ["angus", "asteria", "arcas", "orion", "orpheus", "athena", "luna", "zeus", "perseus", "helios", "hera", "stella"];
export type DeepgramSpeaker = (typeof DEEPGRAM_SPEAKERS)[number];