import { MobxLitElement } from '@adobe/lit-mobx';
import '@digital-realty/ix-icon-button/ix-icon-button.js';
import { Notification } from '../../models/notification.js';
export declare class GroupedItem extends MobxLitElement {
    groupTitle: string;
    groupIcon: string;
    childItems?: Notification[];
    private isOpen;
    onClick: () => void;
    static get styles(): import("lit").CSSResult[];
    renderNotificationItems(): import("lit-html").TemplateResult<1>;
    render(): import("lit-html").TemplateResult<1>;
}