import type { ManifestTreeItem } from '../../extensions/types.js';
import type { UmbTreeItemContext } from '../tree-item-context.interface.js';
import type { UmbTreeItemModel, UmbTreeRootModel } from '../../types.js';
import { UmbTreeItemChildrenManager } from '../tree-item-children.manager.js';
import type { UMB_TREE_CONTEXT } from '../../tree.context.token.js';
import { UmbTreeItemApiContextBase } from '../../tree-item-api/tree-item-api-context-base.js';
import type { UmbControllerHost } from '../../../../../libs/controller-api/index.js';
export declare abstract class UmbTreeItemContextBase<TreeItemType extends UmbTreeItemModel, TreeRootType extends UmbTreeRootModel, ManifestType extends ManifestTreeItem = ManifestTreeItem> extends UmbTreeItemApiContextBase<TreeItemType, ManifestType> implements UmbTreeItemContext<TreeItemType> {
    #private;
    protected readonly _treeItemChildrenManager: UmbTreeItemChildrenManager<TreeItemType, TreeRootType, import("../../index.js").UmbTreeRootItemsRequestArgs>;
    readonly childItems: import("rxjs").Observable<TreeItemType[]>;
    readonly hasChildren: import("rxjs").Observable<boolean>;
    readonly foldersOnly: import("rxjs").Observable<boolean>;
    readonly pagination: import("../../../utils/index.js").UmbPaginationManager;
    readonly targetPagination: import("../../../utils/index.js").UmbTargetPaginationManager<import("../../../entity/types.js").UmbEntityModel>;
    readonly isLoading: import("rxjs").Observable<boolean>;
    readonly isLoadingPrevChildren: import("rxjs").Observable<boolean>;
    readonly isLoadingNextChildren: import("rxjs").Observable<boolean>;
    isOpen: import("rxjs").Observable<boolean>;
    setIsMenu(isMenu: boolean): void;
    getIsMenu(): boolean;
    constructor(host: UmbControllerHost);
    /**
     * Returns the manifest.
     * @returns {ManifestCollection}
     * @memberof UmbTreeItemContextBase
     * @deprecated Use the `.manifest` property instead.
     */
    getManifest(): ManifestType | undefined;
    setTreeItem(treeItem: TreeItemType | undefined): void;
    /**
     * Load children of the tree item
     * @memberof UmbTreeItemContextBase
     * @returns {Promise<void>}
     */
    loadChildren: () => Promise<void>;
    reloadChildren: () => Promise<void>;
    /**
     * Load previous items of the tree item
     * @memberof UmbTreeItemContextBase
     * @returns {Promise<void>}
     */
    loadPrevItems: () => Promise<void>;
    /**
     * Load next items of the tree item
     * @memberof UmbTreeItemContextBase
     * @returns {Promise<void>}
     */
    loadNextItems: () => Promise<void>;
    showChildren(): void;
    hideChildren(): void;
    protected _onTreeContextChanged(context: typeof UMB_TREE_CONTEXT.TYPE): void;
}