import type { UmbCollectionFilterModel, UmbCollectionRepository } from '../../collection/index.js';
import { UmbRepositoryBase } from '../../repository/index.js';
import type { UmbControllerHost } from '../../../../libs/controller-api/index.js';
/**
 * Base class for a collection repository that provides the children of a tree item.
 * Resolves the parent entity from the entity context and delegates to the tree repository.
 * Call {@link UmbTreeItemChildrenCollectionRepositoryBase#_setTreeRepositoryAlias} in the constructor of the subclass to configure which tree repository to use.
 * @abstract
 * @class UmbTreeItemChildrenCollectionRepositoryBase
 * @augments {UmbRepositoryBase}
 * @implements {UmbCollectionRepository}
 */
export declare abstract class UmbTreeItemChildrenCollectionRepositoryBase extends UmbRepositoryBase implements UmbCollectionRepository {
    #private;
    constructor(host: UmbControllerHost);
    protected _setTreeRepositoryAlias(alias: string): void;
    requestCollection(filter?: UmbCollectionFilterModel): Promise<import("../../repository/index.js").UmbRepositoryResponseWithAsObservable<import("../../repository/index.js").UmbTargetPagedModel<import("../types.js").UmbTreeItemModel>, import("../types.js").UmbTreeItemModel[]>>;
}