Rapns.reflect do |on|

  # Called with a Rapns::Apns::Feedback instance when feedback is received
  # from the APNs that a notification has failed to be delivered.
  # Further notifications should not be sent to the device.
  on.apns_feedback do |feedback|
  end

  # Called when a notification is queued internally for delivery.
  # The internal queue for each app runner can be inspected:
  #
  # Rapns::Daemon::AppRunner.runners.each do |app_id, runner|
  #   runner.app
  #   runner.queue_size
  # end
  #
  on.notification_enqueued do |notification|
  end

  # Called when a notification is successfully delivered.
  on.notification_delivered do |notification|
  end

  # Called when notification delivery failed.
  # Call 'error_code' and 'error_description' on the notification for the cause.
  on.notification_failed do |notification|
  end

  # Called when a notification will be retried at a later date.
  # Call 'deliver_after' on the notification for the next delivery date
  # and 'retries' for the number of times this notification has been retried.
  on.notification_will_retry do |notification|
  end

  # Called when an APNs connection is lost and will be reconnected.
  on.apns_connection_lost do |app, error|
  end

  # Called when the GCM returns a canonical registration ID.
  # You will need to replace old_id with canonical_id in your records.
  on.gcm_canonical_id do |old_id, canonical_id|
  end

  # Called when an APNs certificate will expire within 1 month.
  # Implement on.error to catch errors raised when the certificate expires.
  on.apns_certificate_will_expire do |app, expiration_time|
  end

  # Called when an exception is raised.
  on.error do |error|
  end

end