/**
 * @holoscript/core Emotional Voice Trait
 *
 * Implements NPC vocalization using neural TTS with emotional synthesis.
 * Bridges with @builtin VoiceSynthesizer and synchronizes with @lip_sync.
 */
import type { TraitHandler } from '@holoscript/core';
export interface EmotionalVoiceConfig {
    /** Default voice ID to use for this NPC */
    voiceId?: string;
    /** Default emotion profile */
    defaultEmotion?: 'angry' | 'sad' | 'excited' | 'friendly' | 'scared' | 'neutral';
    /** Default emotion intensity */
    defaultIntensity?: number;
    /** Enable automatic caching of audio segments */
    cacheEnabled?: boolean;
}
export declare const emotionalVoiceHandler: TraitHandler<EmotionalVoiceConfig>;
export default emotionalVoiceHandler;
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