import { IExecuteFunctions, INodeExecutionData, INodeType, INodeTypeDescription } from 'n8n-workflow';
export declare class SmartDocumentParser implements INodeType {
    description: INodeTypeDescription;
    execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]>;
    private static detectFileType;
    private static getFileSignature;
    private static getTypeFromMimeType;
    private static getTypeFromExtension;
    private static detectFromContent;
    private static parseDocument;
    private static parsePdf;
    private static parseDocx;
    private static parseXlsx;
    private static parseCsv;
    private static parseJson;
    private static parseXml;
    private static parseYaml;
    private static parseImage;
    private static parseZip;
    private static parseEmail;
    private static parseText;
    private static createFallbackResult;
    private static splitTextIntoPages;
    private static extractDataFromXlsx;
    private static simplifyXml;
    private static extractXmlRootElement;
    private static parseYamlSimple;
    private static extractImageMetadata;
    private static extractZipFileList;
    private static parseEmailSimple;
    private static truncateText;
}