Connects to the given APNs gateway on the given port.
Once an initial connection has been establish
Indicates whether this client is connected to the APNs gateway and ready to send
Registers a private signing key for the given topics. Clears any topics and keys
Removes all registered keys and associated topics for the given team.
Sets the maximum amount of time, in milliseconds, that a client will wait to
establish a connection
Sets the amount of time (in milliseconds) clients should wait for in-progress
requests to complete b