/**
 * @holoscript/core Base Voice Synthesizer
 *
 * Implements the VoiceSynthesizer interface with support for external providers
 * and local phoneme/audio caching.
 */
import { VoiceSynthesizer, VoiceConfig, VoiceRequest, VoiceInfo } from './VoiceSynthesizer';
export declare class BaseVoiceSynthesizer implements VoiceSynthesizer {
    private config?;
    private cache;
    private voices;
    constructor();
    initialize(config: VoiceConfig): Promise<void>;
    generate(request: VoiceRequest): Promise<ArrayBuffer>;
    getVoices(): Promise<VoiceInfo[]>;
    dispose(): void;
    private fetchElevenLabsVoices;
    private fetchAzureVoices;
    private callElevenLabs;
    private callAzure;
    private generateLocal;
}
//# sourceMappingURL=BaseVoiceSynthesizer.d.ts.map