Creation date (ISO string).
OptionalidBacking resource ID, when the virtual entry represents one.
The display name of the item.
Username of the owner.
Size in bytes.
OptionalstatusExecution status (for job type items).
OptionaltagsTags a backend hangs on the item, shown in a long listing as #tag.
OptionaltargetTarget path (for links).
OptionaltitleTitle or description, when the item has one.
What the item is: dir, file, link or vfs (a mount), or a kind a
backend lists beside them. An open string: a consumer handles the kinds it
knows and treats any other as a plain entry.
OptionalversionVersion string (for plugins).
Standard interface representing a virtual file system item.