anchor.diff:  
   part 'src/server/client.dart';
   
  +/**
  + * Handler for wamp connections.
  + */
   class WampHandler {
     Set<Client> clients = new Set();
     Map<String, Set<Client>> topicMap = new Map();
  
positive.code:   }
  
    void onPublish(Client c, String topicUri, event, [exclude, eligible]) {
  //    var uri = curie.decode(topicUri);
  //
  //    clients.forEach((client) {
  //      client.event(topicUri, event);
  //    });
  
      publish(topicUri, event);
    }
  
  
negative.code:       }
  
      };
    }
  
    void onCall(Client c, String callId, String uri, arg) {
  