import { _PdfDecodeStream } from '../decode-stream';
import { _PdfDictionary } from '../pdf-primitives';
/**
 * Provides a RunLength decoding stream that expands run length encoded data from the underlying stream.
 *
 * @private
 */
export declare class _PdfRunLengthStream extends _PdfDecodeStream {
    dict: _PdfDictionary;
    constructor(str: any, maybeLength?: number);
    readBlock(): void;
}