/**
 * DOM Extraction Playground
 *
 * Interactive testing tool for DOM extraction and serialization capabilities.
 * This tool provides comprehensive testing across diverse websites with varying complexity levels.
 */
export interface ViewportSize {
    width: number;
    height: number;
}
export interface PlaygroundConfig {
    headless?: boolean;
    viewportSize?: ViewportSize;
    disableSecurity?: boolean;
    waitForNetworkIdle?: number;
}
export interface WebsiteTestResult {
    url: string;
    processingTime: number;
    elementCount: number;
    interactiveElements: number;
    tokenCount: number;
    success: boolean;
    error?: string;
}
export declare class DOMPlayground {
    private browserSession;
    private currentWebsiteIndex;
    private readonly sampleWebsites;
    private readonly difficultWebsites;
    private readonly difficultDescriptions;
    private readonly allWebsites;
    constructor(config?: PlaygroundConfig);
    /**
     * Get a compact website list for display
     */
    private getWebsiteListForPrompt;
    /**
     * Start the interactive playground
     */
    start(): Promise<void>;
    /**
     * Run DOM extraction test on current website
     */
    runCurrentWebsite(): Promise<WebsiteTestResult>;
    /**
     * Count total elements in DOM state
     */
    private countElements;
    /**
     * Count interactive elements in DOM state
     */
    private countInteractiveElements;
    /**
     * Display test result
     */
    private displayResult;
    /**
     * Get user input from readline
     */
    private getUserInput;
    /**
     * Export test results to JSON
     */
    exportResults(filePath: string): Promise<void>;
    /**
     * Run automated performance analysis on all websites
     */
    runPerformanceAnalysis(): Promise<void>;
}
/**
 * CLI entry point for the DOM playground
 */
export declare function runDOMPlayground(): Promise<void>;
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