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The PushKit namespace provides energy-efficient registration for VoIP notifications.
Holds the Token that holds the user's credentials.
Contains a dictionary of data for a push operation.
Allows the developer to register for remote pushes.
Completion handler for registering a push operation.
Holds the transports available for Push Kit (currently only Voice Over IP).
Interface representing the required methods (if any) of the protocol PKPushRegistryDelegate.
Push Kit, added in iOS 8, provides energy-efficient registration for Voice over IP notifications. There is no need to maintain a persistent connection to the server.
Applications that are registered to receive VoIP notifications with Push Kit will be automatically relaunched as necessary.