/**
 * 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
 */
import { NzTreeNode } from 'ng-zorro-antd/core/tree';
export declare function isChildNode(node: NzTreeNode): boolean;
export declare function isParentNode(node: NzTreeNode): boolean;