/**
 * Notification Center Composable
 *
 * Provides a centralized notification system similar to Visual Studio Code.
 *
 * @example
 * ```typescript
 * import { useNotificationCenter } from '@mlightcad/cad-viewer'
 *
 * const { info, warning, error, success, notifications, unreadCount } = useNotificationCenter()
 *
 * // Add different types of notifications
 * info('Information', 'This is an info message')
 * warning('Warning', 'This is a warning message')
 * error('Error', 'This is an error message')
 * success('Success', 'This is a success message')
 *
 * // Add notification with actions
 * error('File Error', 'Failed to load file', {
 *   actions: [
 *     { label: 'Retry', action: () => retryLoad(), primary: true },
 *     { label: 'Cancel', action: () => cancel() }
 *   ],
 *   persistent: true
 * })
 *
 * // Check notification count
 * console.log(`You have ${unreadCount.value} notifications`)
 * ```
 */
export interface Notification {
    id: string;
    type: 'info' | 'warning' | 'error' | 'success';
    title: string;
    message?: string;
    timestamp: Date;
    actions?: NotificationAction[];
    persistent?: boolean;
    timeout?: number;
}
export interface NotificationAction {
    label: string;
    action: () => void;
    primary?: boolean;
}
/**
 * Hook to access the notification center functionality
 *
 * @returns Object containing notification management functions and reactive state
 */
export declare function useNotificationCenter(): {
    /** Reactive list of all notifications */
    notifications: import('vue').ComputedRef<{
        id: string;
        type: "info" | "warning" | "error" | "success";
        title: string;
        message?: string | undefined;
        timestamp: Date;
        actions?: {
            label: string;
            action: () => void;
            primary?: boolean | undefined;
        }[] | undefined;
        persistent?: boolean | undefined;
        timeout?: number | undefined;
    }[]>;
    /** Reactive count of unread notifications */
    unreadCount: import('vue').ComputedRef<number>;
    /** Reactive boolean indicating if there are any notifications */
    hasNotifications: import('vue').ComputedRef<boolean>;
    /** Add a custom notification */
    add: (notification: Omit<Notification, "id" | "timestamp">) => string;
    /** Remove a notification by ID */
    remove: (id: string) => void;
    /** Clear all notifications */
    clear: () => void;
    /** Clear all notifications (alias for clear) */
    clearAll: () => void;
    /** Add an info notification */
    info: (title: string, message?: string, options?: Partial<Notification>) => string;
    /** Add a warning notification */
    warning: (title: string, message?: string, options?: Partial<Notification>) => string;
    /** Add an error notification */
    error: (title: string, message?: string, options?: Partial<Notification>) => string;
    /** Add a success notification */
    success: (title: string, message?: string, options?: Partial<Notification>) => string;
};
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