apparently it is unused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120540
91177308-0d34-0410-b5e6-
96231b3b80d8
// The following are purely lexical.
-/// @brief Is the current path valid?
-///
-/// @param path Input path.
-/// @param result Set to true if the path is valid, false if it is not.
-/// @results errc::success if result has been successfully set, otherwise a
-/// platform specific error_code.
-error_code is_valid(const Twine &path, bool &result);
-
/// @brief Get root name.
///
/// //net/hello => //net