title: Error: rxjs/Subject"' has no exported member 'Subject'
body: <p>I have this code:</p>
  
  <pre><code>import { Subject } from 'rxjs/Subject';
  </code></pre>
  
  <p>After importing this, I get the error </p>
  
  <blockquote>
    <p>rxjs/Subject" has no exported member 'Subject'.  </p>
  </blockquote>
  
  <p>I am not able to resolve this.<br>
  Could anybody suggest a solution?</p>