/**
 * based on ts-ebml and support large file，optimize memory usage during repair
 *
 * @param blob the blob you need to fix
 * @returns the blob that has been fixed
 *
 */
export declare function fixWebmDuration(blob: Blob): Promise<Blob>;
interface Callback {
    (size: number, blobWithHeader: Blob): void;
}
export declare class FixWebmProcess {
    private _processBlob;
    private _nextBlob;
    private _end;
    private _decoder;
    private _reader;
    private _finish;
    private _callback;
    private _enableLog;
    constructor();
    processBlob(blob: Blob): void;
    private fixWebmDuration;
    private LOG;
    finish(callback: Callback): void;
    setEnableLog(enable: boolean): void;
    private fixBlob;
}
export {};