export declare const validationUtils: {
    /**
     * Validate email format
     */
    isValidEmail: (email: string) => boolean;
    /**
     * Validate phone number format
     */
    isValidPhone: (phone: string) => boolean;
    /**
     * Validate URL format
     */
    isValidUrl: (url: string) => boolean;
    /**
     * Validate date format
     */
    isValidDate: (date: string) => boolean;
    /**
     * Validate number in range
     */
    isInRange: (value: number, min?: number, max?: number) => boolean;
    /**
     * Custom validation messages
     */
    getValidationMessage: (type: string, params?: any) => string;
};