```typescript
import { types } from "node:node__util.d.ts";
```
isModuleNamespaceObject(value: unknown): boolean
Returns `true` if the value is an instance of a [Module Namespace Object](https://tc39.github.io/ecma262/#sec-module-namespace-exotic-objects).
```js
import * as ns from './a.js';
util.types.isModuleNamespaceObject(ns); // Returns true
```