import { OnInit, OnDestroy, EventEmitter } from '@angular/core';
import { TreeNode } from 'primeng/primeng';
import { Observable } from 'rxjs/Observable';
import { TreeService } from './tree.service';
/**
 * 树状结构
 *
 * @export
 * @class TreeComponent
 * @implements {OnInit}
 * @implements {OnDestroy}
 */
export declare class TreeComponent implements OnInit, OnDestroy {
    private tree;
    selectedData: TreeNode;
    data$: Observable<TreeNode[]>;
    select: EventEmitter<TreeNode>;
    private lazyTreeNode$;
    private reload$;
    constructor(tree: TreeService);
    ngOnInit(): void;
    ngOnDestroy(): void;
    nodeExpand(event: any): void;
    nodeSelect(event: any): void;
    private lazyData(node);
}