/**
 *
 * This file may have been modified by Bytedance Inc. (“Bytedance Inc.'s Modifications”). 
 * All Bytedance Inc.'s Modifications are Copyright (year) Bytedance Inc..  
 * 
 * This source code is licensed under the Apache license.
 * See LICENSE file in the project root for license information.
 *
 */
import { CascaderOption } from './Cascader';
export declare function isEqualArrays(arrA: any[], arrB: any[]): boolean;
export declare function isInvolveArrays(arrSub: any[], arrLong: any[]): boolean;
export declare function arrayTreeFilter(data: CascaderOption[], filterFn: (o: any, level: any) => boolean, options: {
    childrenKeyName?: any;
}): any;
export declare function flattenTree(options: CascaderOption[], ancestor: CascaderOption | undefined, fieldOption: {
    childrenKeyName: any;
}): CascaderOption;