# Functions
NewAzureIoTHubAuthentication creates an AzureIoTHubAuthentication.
NewGCPCloudIoTCoreAuthentication create a GCPCloudIoTCoreAuthentication.
NewGenericAuthentication creates a GenericAuthentication.
# Structs
AzureIoTHubAuthentication implements the Azure IoT Hub authentication.
GCPCloudIoTCoreAuthentication implements the Google Cloud IoT Core authentication.
GenericAuthentication implements a generic MQTT authentication.
# Interfaces
Authentication defines the authentication interface.