JC

Results 1 issues of JC

I will let you know once I have tested but it's my understanding that the combination of [`ReceiveMode.PeekLock`](https://github.com/Azure/azure-sdk-for-net/blob/741b92a736b605486184c5d167c85229eee77719/sdk/servicebus/Microsoft.Azure.ServiceBus/src/ReceiveMode.cs#L13) and [`MessageHandlerOptions.AutoComplete`](https://github.com/Azure/azure-sdk-for-net/blob/741b92a736b605486184c5d167c85229eee77719/sdk/servicebus/Microsoft.Azure.ServiceBus/src/MessageHandlerOptions.cs#L62) used when registering the message handler will result in [`SubscriptionClient.CompleteAsync`](https://github.com/Azure/azure-sdk-for-net/blob/741b92a736b605486184c5d167c85229eee77719/sdk/servicebus/Microsoft.Azure.ServiceBus/src/SubscriptionClient.cs#L318)...