export declare class Toast {
    /**
     * Unique id for toast notification
     */
    id?: number;
    /**
     * Message to show in toast notification
     */
    message: string;
    /**
     * Type of toast notification
     */
    type: 'success' | 'error';
    /**
     * Duration to show toast notification in milliseconds
     * @default 3000 milliseconds (3 seconds)
     */
    duration?: number;
}