import React from 'react';
import { CheckedNodeInfo, FlatTreeData, TreeNodesStates, ConvertListAttrs, FlatTreeKeysMap, TreeData } from './iTree';
export declare function browser(navigator: Navigator): string;
export declare function getOffset(ele: HTMLElement): DOMRect | {
    top: number;
    left: number;
};
export declare function loopAllChildren(childs: React.ReactElement[], callback: Function, parent?: CheckedNodeInfo, baseNum?: number | string): void;
export declare function isInclude(smallArray: string[], bigArray: string[]): boolean;
export declare function filterParentPosition(arr: string[]): string[];
export declare function handleCheckState(obj: TreeNodesStates, checkedPositionArr: string[], checkIt: boolean): void;
export declare function getCheck(treeNodesStates: TreeNodesStates): {
    halfCheckedKeys: string[];
    checkedKeys: string[];
    checkedNodes: React.ReactElement<any, string | React.JSXElementConstructor<any>>[];
    checkedNodesPositions: CheckedNodeInfo[];
    treeNodesStates: TreeNodesStates;
};
export declare function getStrictlyValue(checkedKeys: string[], halfChecked: string[]): string[] | {
    checked: string[];
    halfChecked: string[];
};
export declare function arraysEqual(a: string[], b: string[]): boolean;
export declare function closest(el: any, selector: string): any;
export declare function isTreeNode(node: React.ReactElement): any;
export declare function toArray(children: React.ReactElement[]): React.ReactElement<any, string | React.JSXElementConstructor<any>>[];
export declare function getNodeChildren(children: React.ReactElement[]): React.ReactElement<any, string | React.JSXElementConstructor<any>>[];
export declare function warnOnlyTreeNode(): void;
/**
 * 将一维数组转换为树结构
 * @param {*} treeData  扁平结构的 List 数组
 * @param {*} attr 属性配置设置
 * @param {*} flatTreeKeysMap 存储所有 key-value 的映射，方便获取各节点信息
 */
export declare function convertListToTree(treeData: FlatTreeData[], attr: ConvertListAttrs, flatTreeKeysMap: FlatTreeKeysMap): TreeData[];