/**
 * 切割数组 按照指定长度进行分组
 * @param source
 * @param chunkLength
 */
export declare function chunk<T>(source: T[], chunkLength: number): T[][];
/**
 * 在数组中删除某个元素
 * @param array 数组
 * @param removeItem 要删除的元素
 */
export declare function removeItemInArray(array: Array<any>, removeItem: any): void;
export declare type List2TreeSetting = {
    rootPidValue: string;
    idField: string;
    pidField: string;
    childrenField: string;
    removeEmptyChild: boolean;
};
/**
 * 将列表转换为树形结构
 * @param array
 * @param setting
 */
export declare function list2Tree<T>(array: T[] | undefined, setting: List2TreeSetting): Array<T>;
declare type Tree2ListSetting = {
    childrenField?: string;
    removeChildren?: boolean;
    original?: boolean;
};
/**
 * 将树形列表拉平
 * @param array
 * @param setting
 */
export declare function tree2List<T>(array: Array<any>, setting?: Tree2ListSetting): Array<T>;
/**
 * 根据长度生成数组数据
 * @param length 长度
 * @param generateFactory 生成数据的工厂函数
 */
export declare function loopGenerate<T>(length: number | undefined, generateFactory: (index: number) => T | Dictionary<any> | Array<any>): Array<T>;
/**
 * 获取数组的第一个元素
 * @param array
 */
export declare function getFirstAndLast(array?: Array<any>): {
    first: any;
    last: any;
};
export {};