import { IExecuteFunctions, IDataObject } from 'n8n-workflow';
import { BrowserConfig, CrawlerRunConfig } from './interfaces';
export declare function getCrawl4aiClient(executeFunctions: IExecuteFunctions): Promise<any>;
export declare function createBrowserConfig(options: IDataObject): BrowserConfig;
export declare function createCrawlerRunConfig(options: IDataObject): CrawlerRunConfig;
export declare function safeJsonParse(jsonString: string, defaultValue?: any): any;
export declare function cleanText(text: string): string;
export declare function isValidUrl(url: string): boolean;