title: Javapoet superclass generic
body: <p>Anyone know how I can do the following using javapoet</p>
  
  <pre><code>public class MyClassGenerated extends MyMapper&lt;OtherClass&gt;{
  
  }
  </code></pre>
  
  <p>My code of generation:</p>
  
  <pre><code>TypeSpec generateClass() {
      return classBuilder("MyClassGenerated")
           .addModifiers(PUBLIC)
           .superclass(???????????????)
           .build();
  }
  </code></pre>