/**
 * AudioTrait.ts
 *
 * Declarative audio attachment for HoloScript+ nodes.
 * Plays spatial audio from a node's position in 3D space.
 *
 * @trait audio
 */
import { AudioEngine } from './AudioEngine.js';
export interface HSPlusNode {
    id?: string;
    properties?: Record<string, unknown>;
}
export interface TraitHandler<TConfig> {
    name: string;
    defaultConfig: TConfig;
    onAttach(node: HSPlusNode, config: TConfig, context: unknown): void;
    onDetach(node: HSPlusNode, config: TConfig, context: unknown): void;
    onUpdate(node: HSPlusNode, config: TConfig, context: unknown, delta: number): void;
}
export interface AudioTraitConfig {
    soundId: string;
    volume: number;
    loop: boolean;
    spatialize: boolean;
    maxDistance: number;
    refDistance: number;
    rolloffFactor: number;
    channel: string;
    autoPlay: boolean;
    pitch: number;
}
export declare function setSharedAudioEngine(engine: AudioEngine): void;
export declare function getSharedAudioEngine(): AudioEngine;
export declare const audioTraitHandler: TraitHandler<AudioTraitConfig>;
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