import type { UmbTreeItemModel } from '../types.js';
import type { UmbTreeStore } from './tree-store.interface.js';
import { UmbStoreBase } from '../../store/index.js';
import type { UmbControllerHost } from '../../../../libs/controller-api/index.js';
/**
 * @class UmbUniqueTreeStore
 * @augments {UmbStoreBase}
 * @description - Entity Tree Store
 */
export declare class UmbUniqueTreeStore extends UmbStoreBase<UmbTreeItemModel> implements UmbTreeStore<UmbTreeItemModel> {
    constructor(host: UmbControllerHost, storeAlias: string);
    /**
     * An observable to observe the root items
     * @memberof UmbUniqueTreeStore
     */
    rootItems: import("rxjs").Observable<UmbTreeItemModel[]>;
    /**
     * Returns an observable to observe the children of a given parent
     * @param {(string | null)} parentUnique
     * @returns {*}
     * @memberof UmbUniqueTreeStore
     */
    childrenOf(parentUnique: string | null): import("rxjs").Observable<UmbTreeItemModel[]>;
}