import { type ClassValue } from 'clsx';
export declare function cn(...inputs: ClassValue[]): string;
export declare function generateId(): string;
export declare function formatTimestamp(date: Date): string;
export declare function validateWidgetConfig(config: any): boolean;
export declare function parseSize(sizeString: string): {
    width: number;
    height: number;
};
export declare function getEnvConfig(): {
    VITE_ASSISTANT_SERVER_URL: any;
    VITE_ASSISTANT_SERVER_API_KEY: any;
    VITE_DEV_MODE: boolean;
    VITE_DEBUG_MODE: boolean;
};
export declare function debugLog(message: string, data?: any): void;