7017446: (fs) Updates to file system API (3/2011)

[Alan Bateman]

Wolfgang Baltes wrote:
> Thanks, Alan, for implementing the change to WatchKey. Of the possible 
> trade-offs regarding the return type, the one you made is probably the 
> easiest to work with.
Thanks Wolfgang.  Yes, I think this is the simplest for now as 
alternatives cause the type parameter to ripple through to everything 
else and turn out not to be very satisfactory.

-Alan