function isModuleNamespaceObject
          
Usage in Deno
import { isModuleNamespaceObject } from "node:util/types";
isModuleNamespaceObject(value: unknown): boolean 
      Returns true if the value is an instance of a Module Namespace Object.
import * as ns from './a.js';
util.types.isModuleNamespaceObject(ns);  // Returns true
boolean