ant-design-vue/components/tree/index.tsx

import { App, Plugin } from 'vue';
import Tree from './Tree';
import DirectoryTree from './DirectoryTree';

Tree.TreeNode.name = 'ATreeNode';
Tree.DirectoryTree = DirectoryTree;
/* istanbul ignore next */
Tree.install = function(app: App) {
  app.component(Tree.name, Tree);
  app.component(Tree.TreeNode.name, Tree.TreeNode);
  app.component(DirectoryTree.name, DirectoryTree);
  return app;
};

export default Tree as typeof Tree &
  Plugin & {
    readonly TreeNode: any;
    readonly DirectoryTree: typeof DirectoryTree;
  };