import { IExecuteFunctions, INodeExecutionData, INodeType, INodeTypeDescription } from 'n8n-workflow';
/**
 * Custom n8n node: convert files to JSON/text
 * Supports DOCX, XML, YML, XLSX, CSV, PDF, TXT, PPTX, HTML
 */
export declare class FileToJsonNode implements INodeType {
    description: INodeTypeDescription;
    /**
     * Main execution method for n8n node
     */
    execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]>;
}