title: error: '' `createSwitchNavigator` 'is declared here - React Native
body: <p>Why can't I use <code>createstacknavigator</code>?  </p>
  
  <blockquote>
    <p>error: '' <code>createSwitchNavigator</code> 'is declared here.'  </p>
  </blockquote>
  
  <p>I use only <code>createSwitchNavigator</code> though you use it a lot.</p>
  
  <p>I cannot see the <code>createStackNavigatior</code> page of react-navigation.</p>