import { ConversionOptions, PathLikeOrReadStream } from './interfaces/libre-office.types';
/**
 * Class representing a LibreOffice for various operations such as merging and conversion.
 */
export declare class LibreOffice {
    /**
     * Converts various document formats to PDF.
     *
     * @param {Object} options - Options for the conversion operation.
     * @param {PathLikeOrReadStream[]} options.files - An array of PathLikes or ReadStreams to the files to be converted to PDF.
     * @param {PageProperties} [options.properties] - Page properties for the conversion.
     * @param {pdfa} [options.pdfFormat] - PDF format options.
     * @param {boolean} [options.pdfUA] - Indicates whether to generate PDF/UA compliant output.
     * @param {boolean} [options.merge] - Indicates whether to merge the resulting PDFs.
     * @param {Metadata} [options.metadata] - Metadata to be included in the converted PDF.
     * @param {boolean} [options.losslessImageCompression] - Indicates whether to use lossless image compression.
     * @param {boolean} [options.reduceImageResolution] - Indicates whether to reduce image resolution.
     * @param {number} [options.quality] - Quality of the JPG export.
     * @param {75 | 150 | 300 | 600 | 1200} [options.maxImageResolution] - Maximum image resolution for the converted PDF.
     * @param {Split} [options.split] - Split the PDF into multiple files.
     * @param {boolean} [options.flatten] - Flatten the PDF document.
     * @param {import('../common/types').PdfEngineRotate} [options.rotate] - PDF-engine post-process page rotation.
     *
     * @returns {Promise<Buffer>} A Promise resolving to the converted PDF content as a buffer
     */
    static convert({ files, properties, pdfa, pdfUA, merge, metadata, losslessImageCompression, reduceImageResolution, quality, maxImageResolution, initialView, initialPage, magnification, zoom, pageLayout, firstPageOnLeft, resizeWindowToInitialPage, centerWindow, openInFullScreenMode, displayPDFDocumentTitle, hideViewerMenubar, hideViewerToolbar, hideViewerWindowControls, useTransitionEffects, openBookmarkLevels, downloadFrom, split, flatten, userPassword, ownerPassword, embeds, nativeWatermarkText, nativeWatermarkColor, nativeWatermarkFontHeight, nativeWatermarkRotateAngle, nativeWatermarkFontName, nativeTiledWatermarkText, webhook, watermark, stamp, rotate }: {
        files: PathLikeOrReadStream[];
    } & ConversionOptions): Promise<Buffer>;
}