This may be documented elsewhere, but I had a hard time finding it so I'm going to write a quick blog entry about it for my reference.
I needed to build a Visual Studio 2013 project that had a connection to a Web Service. However the the code would only have access to the web service once deployed. In essence I needed to tell Visual Studio how to access the web service without actually having access to the web service.
The solution was actually quite simple, though not exactly intuitive.