NonEmptyString upstream; the service lowercases it and accepts qcow2, qed, raw, vdi, vpc, vmdk. Not narrowed here, because narrowing to the uppercase spellings would reject the lowercase ones the API takes.
NonEmptyString
NonEmptyStringupstream; the service lowercases it and accepts qcow2, qed, raw, vdi, vpc, vmdk. Not narrowed here, because narrowing to the uppercase spellings would reject the lowercase ones the API takes.