/// <reference types="core-js" />
import { TreeNode } from "primeng/api";
/**
 * @author Jandos Iskakov
 */
export declare class TreeService {
    private dataList;
    private selectedFieldName;
    private recIdFieldName;
    private labelFieldName;
    private parentFieldName;
    private icon;
    private expandedIcon;
    private collapsedIcon;
    nodesMap: Map<number, TreeNode>;
    private dataMap;
    init(dataList: any[], recIdFieldName: string, labelFieldName: string, parentFieldName: string, icon: string, expandedIcon: string, collapsedIcon: string): void;
    private generateTreeNode(dataItem);
    buildTree(): TreeNode[];
    selectNodes(selection: any[]): void;
    setSelected(node: TreeNode, value: boolean): void;
    private propagateSelectionDown(node, value);
    private propagateSelectionUp(node);
    reselectNodes(): void;
    getSelectedNodes(): TreeNode[];
    static isNodeLeaf(node: any): boolean;
    propagateDataModified(node: TreeNode, modifiedFieldName: string): void;
    private propagateModificationDown(node, modifiedFieldName);
    private propagateModificationUp(node, modifiedFieldName);
}