[Nestmates] Draft core reflection API

[John Rose]

> On Nov 8, 2017, at 11:25 PM, David Holmes <david.holmes at oracle.com> wrote:
> 
> http://cr.openjdk.java.net/~dholmes/8188075/webrev/raw_files/new/java/lang/Class.html#getNestHost()
> 
> I hope it isn't TMI for John.
> 

Looks good to me. I don’t want to rule out other uses of nest mates, and that language is loose enough not to do so. 

Example:  multiple top-level classes in the same source file *might* someday be put into a common nest.