import { BehaviorSubject } from 'rxjs/internal/BehaviorSubject';
import { AssetManagementService } from '../asset-management.service';
import { AssetModel, DynamicFlatNode, FolderTreeModel, IInitialFolderTreeOptions } from '../models';
import { AssetService } from './asset.service';
export declare class NodeTreeService {
    private assetService;
    private svc;
    constructor(assetService: AssetService, svc: AssetManagementService);
    storedData$: BehaviorSubject<AssetModel[]>;
    loading$: BehaviorSubject<boolean>;
    initialData$: BehaviorSubject<DynamicFlatNode[]>;
    rootFolder: AssetModel;
    data: AssetModel[];
    private fetchChildrenFolder;
    /** Initial data from database */
    initialData({ dispatchRootId }: IInitialFolderTreeOptions): Promise<DynamicFlatNode[]>;
    getChildren(node: FolderTreeModel): Promise<FolderTreeModel>;
    isExpandable(node: FolderTreeModel): boolean;
    /** Add asset to stored data */
    addNode(asset: AssetModel, parentId?: string): void;
    updateBreadcrumb(id: string): Promise<void>;
    private getAssetParent;
    private getFolderHierarchy;
}