import BaseRenderer from './BaseRenderer';
export default class CanvasRenderer extends BaseRenderer {
    private readonly _useImageBitmap;
    private _canvas;
    private _canvasContext;
    private _stream;
    private _track;
    constructor(onStream: (stream: MediaStream) => void);
    private _createStream;
    private _removeStream;
    private _requestCanvasFrame;
    private _drawImage;
    drawFrame(frame: VideoFrame): Promise<void>;
    drawImage(image: ImageData): Promise<void>;
    destroy(): void;
    static isBrowserSupported(): boolean;
}