title: NetBeans 8.2 marks me syntax error with a symfony file
body: <pre><code>/**
   * Gets the public 'factory_service' shared service.
   *
   * @return \Bar
   */
  protected function getFactoryServiceService()
  {
      return $this-&gt;services['factory_service'] = ($this-&gt;services['foo.baz'] ?? $this-&gt;getFoo_BazService())-&gt;getInstance();
  }
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/vvoh4.png" alt="ERROR IN THE IMAGE"></p>