How different is this from CodeLens ? Seems like most of these features are in CodeLens anyways, maybe the licensing for CodeLens??
CodeLens => https://msdn.microsoft.com/en-us/library/dn269218.aspx
CodeLens => https://msdn.microsoft.com/en-us/library/dn269218.aspx
CodeMap => https://docs.microsoft.com/en-us/visualstudio/modeling/use-c...
I would say we go a step further, by also providing a visual representation of the references to symbol, which quickly conveys how a symbol is embedded into the rest of the code base, without even reading a line of code. That makes exploring a lot faster.