import { OnInit } from '@angular/core';
import { Node, NodeAdded } from './node';
export declare class LtTreeviewComponent implements OnInit {
    data: Node[];
    listToAdd: NodeAdded[];
    show: boolean;
    callBackOnUpdate: any;
    callBackOnDelete: any;
    component: any;
    currentNode: Node | undefined;
    addRootb: boolean;
    constructor();
    ngOnInit(): void;
    /**
     * This function collapse the item in treeview
     * @param item
     */
    expand(item: Node): void;
    /**
     * This function call The AddNode function
     * @param item
     */
    add(item: Node): void;
    addRoot(): void;
    addRootNode(item: NodeAdded): void;
    delete(item: Node): void;
    addNode(item: NodeAdded): void;
}