FilePath package:Cabal
e.g. "/", "c:" or result of takeDrive
A description of a file (or set of files) to monitor for changes.
Where file paths are relative they are relative to a common directory
(e.g. project root), not necessarily the process current directory.
Path to the .tix file containing a test suite's sum statistics.
Which Cabal file to use (optional)
The filename of the source file for the stub executable associated
with a library TestSuite.