describes how an Event Hub Listener will operate.
        public EventHubListener(EventHubListenerOptions options)
        {
            if (null == options)
                throw new ArgumentNullException(nameof(options));

            mOptions = options;
        }
        public EventHubListenerPartitionReceiver(string partitionId,
                                                EventHubListenerOptions options,
                                                EventHubConsumerGroup consumerGroup)
        {

            mPartitionId = partitionId;
            mOptions = options;
            mConsumerGroup = consumerGroup;
    
        }