import { ParticipantId } from '../../types/Participant';
import { BaseStreamBuilder, FrameData, IOnStat, IOnStream } from './BaseStreamBuilder';
export default class WebmBuilder extends BaseStreamBuilder {
    private _mediaBuffer;
    private _video;
    private _stream;
    private _earliestTimestamp;
    private _clusterStartTime;
    private _lastFrameTimestamp;
    constructor(participantId: ParticipantId, onStream: IOnStream, onStat: IOnStat);
    private static _intToU16BE;
    private static _genWebmHeader;
    private static _genSegmentHeader;
    private static _genClusterHeader;
    private _createVideo;
    protected _processFrame(frame: FrameData): void;
    destroy(): void;
    static isBrowserSupported(): boolean;
}