import { WorkbookData } from "../types/workbook_data";
import { ImportedFiles, XLSXImageFile, XLSXImportData, XLSXXmlDocuments } from "../types/xlsx";
import { XLSXImportWarningManager } from "./helpers/xlsx_parser_error_manager";
export declare class XlsxReader {
    warningManager: XLSXImportWarningManager;
    xmls: XLSXXmlDocuments;
    images: XLSXImageFile[];
    constructor(files: ImportedFiles);
    convertXlsx(): WorkbookData;
    private getXlsxData;
    private buildXlsxFileStructure;
    convertImportedData(data: XLSXImportData): WorkbookData;
}