import { ChangeDetectorRef, OnChanges, SimpleChanges } from '@angular/core';
export declare class AudioComponent implements OnChanges {
    private cdr;
    source: string;
    name: string;
    state: 'playing' | 'pause' | 'loading';
    progress: number;
    duration: number;
    private audio;
    constructor(cdr: ChangeDetectorRef);
    detectChanges(): void;
    ngOnChanges(changes: SimpleChanges): void;
    initializeAudio(): void;
    togglePlay(): void;
    playAudio(): void;
    pauseAudio(): void;
    setMeta(name: string, source: string): void;
    setDuration(event: any): void;
    strPadLeft(time: any, pad: any, length: any): string;
    getPrettyTime(time: number): string;
    get durationInfo(): string;
}