import { OnInit, TemplateRef, EventEmitter } from '@angular/core';
import { Router } from '@angular/router';
import { NzMessageService } from 'ng-zorro-antd';
import { DataSourceService } from '../../../services/service/data-source.service';
import { UserContextService } from '../../../services/service/user-context.service';
import { TreeView, TreeNode } from '../../model/tree-view';
export declare class TreeViewComponent implements OnInit {
    private router;
    private dataSourceService;
    private userContext;
    private message;
    private _initReady;
    private _stateKey;
    private _initFromState;
    private _isCollapsed;
    private _treeView;
    private _data;
    private _dataUrl;
    private _activeOnClick;
    private _accordion;
    headerText: string;
    headerIcon: string;
    nonDataText: string;
    enableHeader: boolean;
    enableHeaderClick: boolean;
    deselectOnHeaderClick: boolean;
    enableCheckbox: boolean;
    disableTreeNodeAction: boolean;
    theme: string;
    loadChildrenHandler: Function;
    enableStateCache: boolean;
    stateCacheKey: string;
    tpl_header: TemplateRef<void>;
    tpl_itemTemplate: TemplateRef<void>;
    headerClicked: EventEmitter<any>;
    treeNodeClick: EventEmitter<any>;
    dataLoaded: EventEmitter<any>;
    selectChange: EventEmitter<TreeNode>;
    checkedChange: EventEmitter<TreeNode>;
    inited: EventEmitter<TreeView>;
    constructor(router: Router, dataSourceService: DataSourceService, userContext: UserContextService, message: NzMessageService);
    ngOnInit(): void;
    private initTreeView;
    private saveState;
    accordion: boolean;
    activeOnClick: boolean;
    data: any;
    dataUrl: string;
    isCollapsed: boolean;
    private readonly defaultLoadChildrenHandler;
    readonly treeView: TreeView;
    reloadLoadChildren(): void;
    headerClick(): void;
    onTreeNodeClick(treeNode: any, event: any): void;
    onDrag(treeNode: any, event: any): void;
    onDrop(treeNode: any, event: any): void;
}