export type OfficeNotificationTone = 'info' | 'success' | 'warning' | 'error';
export interface OfficeNotification {
    message: string;
    tone: OfficeNotificationTone;
}
export declare const OFFICE_NOTIFICATION_EVENT = "a3s-office:notify";
export declare function showToast(message: string, tone?: OfficeNotificationTone): void;
export declare function subscribeOfficeNotifications(listener: (notification: OfficeNotification) => void): () => void;