code: @Override
      public void init (Injector injector)
          throws Exception
      {
          super.init(injector);
  
          // configure the client manager to use our bits
          _clmgr.setDefaultSessionFactory(new SessionFactory() {
              @Override
              public Class<? extends PresentsSession> getSessionClass (AuthRequest areq) {
                  return CrowdSession.class;
              }
              @Override
              public Class<? extends ClientResolver> getClientResolverClass (Name username) {
                  return CrowdClientResolver.class;
              }
          });
      }
docs: Initializes all of the server services and prepares for operation.