interface NotificationOptions { title: string; description?: string; type?: 'success' | 'error' | 'warning' | 'info' | 'default'; duration?: number; closable?: boolean; action?: { label: string; onClick: () => void; }; } export declare const notification: { show: (options: NotificationOptions) => { close: () => void; }; success: (options: Omit) => { close: () => void; }; error: (options: Omit) => { close: () => void; }; warning: (options: Omit) => { close: () => void; }; info: (options: Omit) => { close: () => void; }; }; export {};