/** Local presentation only. The full environment/account key keeps profiles separate. */
export declare class NotificationDirectoryPreferences {
    private storage;
    private durable;
    private listeners;
    constructor(storage: () => Pick<Storage, 'getItem' | 'setItem'> | undefined, durable?: boolean);
    subscribe: (listener: () => void) => () => void;
    invalidate: () => void;
    read: (account: string) => boolean;
    pin(account: string, pinned: boolean): void | Promise<void>;
}
export declare const notificationDirectoryPreferences: NotificationDirectoryPreferences;
export declare function useNotificationDirectoryPin(account: string): boolean;
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