import * as i0 from "@angular/core";
/**
 * Base directive for notification panel components.
 * Contains shared functionality for displaying important information
 * after task completion, such as confirmation messages.
 */
export declare class NotificationPanelDirective {
    /** The title text displayed in the notification panel. This input is required. */
    readonly title: import("@angular/core").InputSignal<string>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NotificationPanelDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NotificationPanelDirective, "[libNotificationPanel]", never, { "title": { "alias": "title"; "required": true; "isSignal": true; }; }, {}, never, never, true, never>;
}