s="md-nav__item">
  <a href="#using-your-custom-httpclientimpl" title="Using Your Custom HttpClientImpl" class="md-nav__link">
    Using Your Custom HttpClientImpl
  </a>
  
</li>
      
        <li class="md-nav__item">
  <a href="#subclassing-is-better" title="Subclassing is Better" class="md-nav__link">
    Subclassing is Better
  </a>
  
</li>
      
      
      
      
      
    </ul>
  
</nav>
    
  </li>

        
          
          
          


  <li class="md-nav__item">
    <a href="../libco