code: @Override
      public PushNotificationHandler buildHandler(final SSLSession sslSession) {
          return new PushNotificationHandler() {
  
              @Override
              public void handlePushNotification(final Http2Headers headers, final ByteBuf payload) {
                  // Accept everything unconditionally!
              }
          };
      }
docs: Constructs a new push notification handler that unconditionally accepts all push notifications.
  
  @param sslSession the SSL session associated with the channel for which this handler will handle notifications
  
  @return a new "accept everything" push notification handler