prevent them from being serialised alongside the API properties. This will also
be useful for moving the API bindings out of XenModel.
Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
VM.IsWindows will try to use guest_metrics referenced by the last_booted_record when the guest_metrics on the VM is not available.
This gives some extra chance to detect a Non-Windows VM.
Signed-off-by: Gabor Apati-Nagy <gabor.apati-nagy@citrix.com>
