Absolute path of the stored entry.
What the entry is. A directory names no stored file entry, so it contributes no name to the package view and the stored-name checks never judge a name no package holds (#573); a file keeps its stored name (#426).
Why it cannot be read: "a broken symbolic link", "not a regular file",
"a symbolic link loop", "a symbolic link outside the input directory",
"a symbolic link the walk cannot resolve (…)", or "an unreadable directory (…)" for a directory the walk cannot list or an input root
it cannot canonicalize (#543, #546, #576).
A stored entry
walkDirectorycannot read, with the reason naming its kind (#426).