type OperationStatusesClientAPI interface {
    Get(ctx context.Context, location string, operationID string) (result communication.OperationStatus, err error)
}

type OperationsClientAPI interface {
    List(ctx context.Context) (result communication.OperationListPage, err error)
    ListComplete(ctx context.Context) (result communication.OperationListIterator, err error)
}

type ServiceClientAPI interface {
    CheckNameAvailability(ctx context.Context, nameAvailabilityParameters *communication.NameAvailabilityParameters) (result communication.NameAvailability, err error)
    CreateOrUpdate(ctx context.Context, resourceGroupName string, communicationServiceName string, parameters *communication.ServiceResource) (result communication.ServiceCreateOrUpdateFuture, err error)
    Delete(ctx context.Context, resourceGroupName string, communicationServiceName string) (result communication.ServiceDeleteFuture, err error)
    Get(ctx context.Context, resourceGroupName string, communicationServiceName string) (result communication.ServiceResource, err error)
    LinkNotificationHub(ctx context.Context, resourceGroupName string, communicationServiceName string, linkNotificationHubParameters *communication.LinkNotificationHubParameters) (result communication.LinkedNotificationHub, err error)
    ListByResourceGroup(ctx context.Context, resourceGroupName string) (result communication.ServiceResourceListPage, err error)
    ListByResourceGroupComplete(ctx context.Context, resourceGroupName string) (result communication.ServiceResourceListIterator, err error)
    ListBySubscription(ctx context.Context) (result communication.ServiceResourceListPage, err error)
    ListBySubscriptionComplete(ctx context.Context) (result communication.ServiceResourceListIterator, err error)
    ListKeys(ctx context.Context, resourceGroupName string, communicationServiceName string) (result communication.ServiceKeys, err error)
    RegenerateKey(ctx context.Context, resourceGroupName string, communicationServiceName string, parameters *communication.RegenerateKeyParameters) (result communication.ServiceKeys, err error)
    Update(ctx context.Context, resourceGroupName string, communicationServiceName string, parameters *communication.TaggedResource) (result communication.ServiceResource, err error)
}