title: Is there an abstract state in Angular2 Router?
body: <p>I'm looking for similar solution to <a href="https://github.com/angular-ui/ui-router/wiki/nested-states-%26-nested-views#abstract-states" rel="nofollow">ui-router abstract state</a> in Angular2 Router. </p>
  
  <p>To have "<em>virtual</em>" parent state to resolve some common things for child states.</p>