code: public void handlePushNotificationRejected(final Http2Headers headers, final ByteBuf payload, final RejectionReason rejectionReason, final Date deviceTokenExpirationTimestamp) {
          this.handlePushNotificationRejected(parsePushNotification(headers, payload), rejectionReason, deviceTokenExpirationTimestamp);
      }
docs: Parses a push notification rejected by a mock APNs server into an {@link ApnsPushNotification} instance for
  further processing by
  {@link ParsingMockApnsServerListenerAdapter#handlePushNotificationRejected(ApnsPushNotification, RejectionReason, Date)}.
  
  @param headers the notification's HTTP/2 headers
  @param payload the notification's payload
  @param rejectionReason the reason the push notification was rejected by the mock server
  @param deviceTokenExpirationTimestamp the time at which the push notification's destination device token expired;