import type { Engine } from '@galacean/effects';
import { spec } from '@galacean/effects';
interface AudioSourceInfo {
    source?: AudioBufferSourceNode;
    audioContext?: AudioContext;
    gainNode?: GainNode;
}
export interface AudioPlayerOptions {
    endBehavior: spec.EndBehavior;
    duration: number;
}
export declare class AudioPlayer {
    private engine;
    audio?: HTMLAudioElement;
    audioSourceInfo: AudioSourceInfo;
    private pendingOffset;
    private isSupportAudioContext;
    private options;
    private destroyed;
    private started;
    private initialized;
    private currentVolume;
    constructor(engine: Engine, audio?: AudioBuffer | HTMLAudioElement);
    /**
     * 设置音频资源
     * @param audio - 音频资源
     */
    setAudioSource(audio: AudioBuffer | HTMLAudioElement): void;
    getCurrentTime(): number;
    /**
     * 设置音频当前时间
     * WebAudio下设置 this.pendingOffset，后面play时直接从该事件play
     * HTMLAudioElement下直接设置时间
     */
    setCurrentTime(time: number): void;
    /**
     * 播放音频
     */
    play(): void;
    pause(): void;
    setVolume(volume: number): void;
    setPlaybackRate(rate: number): void;
    setLoop(loop: boolean): void;
    setOptions(options: AudioPlayerOptions): void;
    setMuted(muted: boolean): void;
    dispose(): void;
}
export {};