import type { CapturedStyle } from '../types/events';
/**
 * Capture stylesheets from the page
 */
export declare function captureStyles(): CapturedStyle[];
/**
 * Capture computed styles for all visible elements
 * Returns CSS rules targeting elements by data-ra-id
 */
export declare function captureComputedStyles(): CapturedStyle[];
/**
 * Get computed styles for an element (essential properties only)
 */
export declare function getEssentialStyles(element: Element): Record<string, string>;
/**
 * Inline critical styles into HTML for reconstruction
 */
export declare function inlineCriticalStyles(html: string): string;