/**
 * @license
 * Copyright Alibaba.com All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
export declare function toArray<T>(value: T | T[]): T[];
export declare function arraysEqual<T>(array1: T[], array2: T[]): boolean;
export declare function shallowCopyArray<T>(source: T[]): T[];