content: import React from 'react';
  import { Router, Route, IndexRoute } from 'react-router';
  import createHistory from 'history/lib/createHashHistory'
  
  import App from './pages/app.jsx';
  import User from './pages/user.jsx';
  import UserDetails from './pages/userDetails.jsx';
  
  import Group from './pages/group.jsx';
  import GroupDetails from './pages/groupDetails.jsx';
  
  const historyOptions = {
    queryKey : false
  };
  
  const routes = (
    <Router history={createHistory(historyOptions)}>
      <Route path='/' component={ App }>
        <IndexRoute component={ User }/>
        <Route path='group' component={ Group } />
        <Route path="group-details/:groupId" component={GroupDetails}/>
        <Route path='user' component={ User } />
        <Route path="user-details/:userId" component={UserDetails}/>
      </Route>
    </Router>
  );
  
  export default routes;