The entry point to execute SDK actions. To obtain an instance use Messaging.initialize(channelKey:completionHandler:).

The entry point to execute push notification related SDK actions. Register device token with PushNotifications.updatePushNotificationToken(:).

An enum representing the source of actioned URL.

An error type that describes failures that happen upon creation of a Messaging instance.

Represents whether a push notification payload belongs to Messaging, and if the SDK is in a state in which the notification should be displayed.

Delegate to receive callbacks from the SDK.