Imports github.com/Azure/azure-amqp-common-go/aad github.com/Azure/azure-event-hubs-go github.com/Azure/azure-sdk-for-go/services/eventhub/mgmt/2017-04-01/eventhub github.com/Azure/go-autorest/autorest/azure/auth github.com/Azure/go-autorest/autorest/azure Standard library imports context fmt log os time