import { type ClassValue } from "clsx";
/**
 * Combines class names without Tailwind merging
 * Use this for scoped CSS classes (uxbert-*)
 */
export declare function cn(...inputs: ClassValue[]): string;
/**
 * Legacy function - kept for backwards compatibility
 * New code should use cn() directly
 */
export declare function cnx(...inputs: ClassValue[]): string;
/**
 * Detects whether the page content extends beyond the viewport
 * @param threshold - The pixel threshold to consider as "extending beyond viewport" (default: 100px)
 * @returns 'fullpage' if page is significantly larger than viewport, 'viewport' otherwise
 */
export declare function detectScreenshotMode(threshold?: number): 'viewport' | 'fullpage';
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