export declare class AudioOscilloscopeVisualizer {
    container: HTMLElement;
    audioElement: HTMLAudioElement;
    backColor: string;
    lineColor: string;
    lineWidth: number;
    private _bottomMargin;
    private _analyser?;
    private _disposed?;
    private _audioContext?;
    private _started;
    private _mediaElementSource?;
    private _canvasCtx;
    constructor(container: HTMLElement, audioElement: HTMLAudioElement, args: {
        bottomMargin: number;
    });
    start(): void;
    stop(): void;
    captureStream(): MediaProvider | null;
    get isDomRemoved(): boolean;
    dispose(): void;
    private _init;
}