import { _PdfDecodeStream } from '../decode-stream';
/**
 * Decodes ASCII85 encoded data from an underlying byte stream into binary content.
 *
 * @private
 */
export declare class _PdfAscii85Stream extends _PdfDecodeStream {
    stream: any;
    input: Uint8Array;
    constructor(str: any, maybeLength?: number);
    readBlock(): void;
}