import { SimpleChanges, EventEmitter, OnInit } from '@angular/core';
import { TreeNodeType } from './tree-node-type';
import { DataTreeTemplateDirective } from './data-tree-template.directive';
import { DataTreeHeaderTemplateDirective } from './data-tree-header-template.directive';
export declare class DataTreeKitComponent implements OnInit {
    private doc;
    treeData: TreeNodeType[];
    rootNode: null;
    rootId: string;
    isCollapsed: boolean;
    nodeClass: string;
    leafClass: string;
    initialized: EventEmitter<any>;
    selectionChanged: EventEmitter<any>;
    treeTemplate: DataTreeTemplateDirective;
    treeHeaderTemplate: DataTreeHeaderTemplateDirective;
    subTree: DataTreeKitComponent;
    treeId: string;
    private selectedNode;
    private selectedElement;
    data: TreeNodeType[];
    private parentTree;
    constructor(doc: Document);
    readonly TreeTemplate: DataTreeTemplateDirective;
    readonly TreeHeaderTemplate: DataTreeHeaderTemplateDirective;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    nodeAnchorStyle(node: any): {
        width: string;
        verticalAlign: string;
        color: string;
    };
    uuidv4(): string;
    toggleNode(event: any, node: any, rootId: any, treeId: any, i: any): void;
    collapseNodeAndChildren(node: any, toCollapse: any): void;
    clickNode(event: any, node: TreeNodeType): void;
    handleTreeInit(event: any): void;
}