title: how to call method of Owner?
body: <p>I have <code>Class1</code>, which has methods:</p>
  
  <ol>
  <li><code>setSomething()</code></li>
  <li><code>createObjectOfClass2()</code></li>
  </ol>
  
  <p>Now, when I create object of <code>Class2</code>, is it possible to call <code>setSomething</code> method from it?</p>