export declare const webmRemuxerUtils: {
    SetClusterSize(sizeDataView: DataView, size: number): void;
    SetDuration(buffer: DataView, duration: number): void;
    SetSeekHead(buffer: DataView, seekheadBytes: ArrayBuffer, voidBytes: ArrayBuffer): void;
    setTimestamp(buffer: DataView, timestamp: number, dataSize: number): void;
};