pub const NamespacePrefix = enum {
    none,
    /// `\\.\` (path separators can be `\` or `/`)
    local_device,
    /// `\\?\`
    /// When converted to an NT path, everything past the prefix is left
    /// untouched and `\\?\` is replaced by `\??\`.
    verbatim,
    /// `\\?\` without all path separators being `\`.
    /// This seems to be recognized as a prefix, but the 'verbatim' aspect
    /// is not respected (i.e. if `//?/C:/foo` is converted to an NT path,
    /// it will become `\??\C:\foo` [it will be canonicalized and the //?/ won't
    /// be treated as part of the final path])
    fake_verbatim,
    /// `\??\`
    nt,
}