import { PDFFormFillerBase } from './forms-base';
/**
 * A plugin that enables you to fill interactive fields in existing PDF forms.
 *
 * This plugin requires a third-party library, such as [`pdf-lib`](https://pdf-lib.js.org/) or [PDF.js](https://mozilla.github.io/pdf.js/):
 *
 * [View pdf-lib Demo](https://surveyjs.io/pdf-generator/examples/map-survey-responses-to-pdf-fields-using-pdflib/ (linkStyle))
 *
 * [View PDF.js Demo](https://surveyjs.io/pdf-generator/examples/fill-in-pdf-form-fields-with-dynamic-survey-data-using-pdfjs/ (linkStyle))
 */
export declare class PDFFormFiller extends PDFFormFillerBase {
    protected saveToFile(pdfBytes: string, fileName: string): Promise<void>;
}