var bus = require('bus')();
  var mainPanel = MainPanel('#main');
  var sidePanel = SidePanel('#sidebar');
  var filterPanel = FilterPanel('#filter');
  logFilterEvent = function(param) {
    console.log('filter: %s', param);
  }
  /**
   *  Route 'select' events from the filterPanel to
   *  mainPanel.applyFilter and sidePanel.setFilter,
   *  and to two custom handlers
   */
  bus.route().from(filterPanel, 'select')
     .to( mainPanel, 'applyFilter' )
     .to( sidePanel, 'setFilter' )
     .handle( logFilterEvent )
     .handle( function(param) { /* some callback */ } );
  /**
   *  Or, define routes in reverse direction. Here
   *  events from sidePanel and mainPanel are routed
   *  to filterPanel.clearFilter.
   */
  bus.route().to(filterPanel, 'clearFilter')
     .from( sidePanel, 'reset' )
     .from( mainPanel, 'clear' );
  /**
   *  You can define different routes in a single call
   *  using route(), aliased as reset()
   */
  bus.route()
       .from(x,'event')
         .to(y1,'method')
         .to(y2,'method')
     .reset()
       .to(z,'method')
         .from(w1,'event')
         .from(w2,'event');