import { OnInit, EventEmitter, OnChanges, SimpleChanges, ComponentFactoryResolver } from '@angular/core';
import { Router } from '@angular/router';
export declare class NodeComponent implements OnInit, OnChanges {
    private resolver;
    private router;
    showSub: any;
    _nodeData: any;
    root: boolean;
    keyId: string;
    keyName: string;
    keyChild: string;
    options: any;
    clickEvent: EventEmitter<{}>;
    extendEvent: EventEmitter<{}>;
    iconClsFolder: string;
    iconClsExpand: string;
    iconClsFile: string;
    nodeData: any;
    nodeChangeEvent: EventEmitter<{}>;
    constructor(resolver: ComponentFactoryResolver, router: Router);
    init(): any;
    private needShow(node);
    ngOnInit(): void;
    initClsObj(): void;
    getFileIcon(): string;
    getFolderIcon(): string;
    getExpandIcon(): string;
    clickNode(nodeData: any): void;
    changeShow(): void;
    doNodeFn(option: any): void;
    _clickNode(event: any): void;
    _extendNode(event: any): void;
    ngOnChanges(changes: SimpleChanges): void;
    getText(): "-" | "+";
}