import { EventEmitter } from '@angular/core';
import { ComponentUtilsService } from '../../../../services/component-utils.service';
import { ApiService } from '../../../../services/api.service';
import { HierarchicalTreeData, MenuNode, NavButtons, TreeNode } from '../../../../interfaces/things/resources/hierarchical-tree.interface';
import { Thing } from '../../../../interfaces/things/thing.interface';
import { ModuleHeader } from '../../../../interfaces/things/modules/module.interface';
import { Asset } from '../../../../interfaces/things/assets/asset.interface';
export declare class HierarchicalTreeViewer {
    utils: ComponentUtilsService;
    apiProvider: ApiService;
    navigate: EventEmitter<string>;
    navButtons: EventEmitter<NavButtons>;
    resource: Thing;
    currentResGuid: string;
    header: ModuleHeader;
    correctNode: TreeNode;
    currentId: string;
    prevNode: TreeNode;
    nextNode: TreeNode;
    backNode: TreeNode;
    oldNode: string;
    selectNodesToHighlight: Array<TreeNode>;
    loaded: boolean;
    data: HierarchicalTreeData;
    asset: Asset;
    constructor(utils: ComponentUtilsService, apiProvider: ApiService);
    ngOnInit(): Promise<void>;
    ngDoCheck(): Promise<void>;
    back(): void;
    next(): void;
    prev(): void;
    findNode(id: string): void;
    probeNode(node: MenuNode, parentNode: MenuNode, id: string): MenuNode;
    isArray(node: MenuNode): boolean;
    findNodeId(guid: string): void;
    probeNodeGuid(node: MenuNode, guid: string): MenuNode;
    passResource(id: string): void;
    btnClick(): void;
    navigateFromHeader(guid: string): void;
}