/**
 * Toast notification system with glassmorphism styling and smooth animation.
 */
export declare class Toast {
    private static stylesInjected;
    /**
     * Displays a toast notification.
     * @param message The message to display.
     * @param duration Duration in milliseconds before auto-dismissal (default: 3000).
     */
    static show(message: string, duration?: number): void;
    /**
     * Injects glassmorphic CSS styles for toasts.
     */
    private static injectStyles;
}