import { ByteArray } from '../../types.js';
import { PdfToken } from './token.js';
export declare class PdfStringToken extends PdfToken {
    value: ByteArray;
    /**
     * Original bytes from the PDF file, including parentheses and escape sequences.
     * Used to preserve exact formatting for incremental updates.
     * @internal - Non-enumerable to avoid affecting test comparisons
     */
    private _originalBytes?;
    constructor(value: string | ByteArray, originalBytes?: ByteArray);
    get originalBytes(): ByteArray | undefined;
    private static toBytes;
}