type Vec3 = [number, number, number];
/**
 * SpatialAudioSource.ts
 *
 * 3D audio source: positioning, distance attenuation,
 * rolloff models, panning, cone, and Doppler.
 *
 * @module audio
 */
export type RolloffModel = 'linear' | 'inverse' | 'exponential' | 'custom';
export interface AudioCone {
    innerAngle: number;
    outerAngle: number;
    outerGain: number;
}
export interface SpatialAudioConfig {
    position: Vec3;
    velocity: Vec3;
    rolloff: RolloffModel;
    minDistance: number;
    maxDistance: number;
    volume: number;
    pitch: number;
    loop: boolean;
    cone: AudioCone | null;
    dopplerFactor: number;
    rolloffFactor: number;
    spatialBlend: number;
}
export declare class SpatialAudioSource {
    private config;
    private playing;
    private paused;
    private time;
    private clipDuration;
    private gain;
    private pan;
    constructor(config?: Partial<SpatialAudioConfig>);
    play(duration?: number): void;
    stop(): void;
    pause(): void;
    resume(): void;
    isPlaying(): boolean;
    setPosition(x: number, y: number, z: number): void;
    getPosition(): Vec3;
    setVelocity(x: number, y: number, z: number): void;
    setVolume(v: number): void;
    getVolume(): number;
    setPitch(p: number): void;
    setLoop(loop: boolean): void;
    setRolloff(model: RolloffModel): void;
    setMinDistance(d: number): void;
    setMaxDistance(d: number): void;
    setSpatialBlend(blend: number): void;
    setCone(cone: AudioCone): void;
    update(dt: number, listenerPos: Vec3): void;
    private computeAttenuation;
    private computeConeGain;
    getGain(): number;
    getPan(): number;
    getTime(): number;
    getConfig(): SpatialAudioConfig;
}
export {};
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