private static boolean isBelowSpaceThreshold(final storage_domains domain) {
   Integer availableDiskSize =
       domain.getavailable_disk_size() == null ? 0 : domain.getavailable_disk_size();
   Integer usedDiskSize = domain.getused_disk_size() == null ? 0 : domain.getused_disk_size();
   double totalSize = availableDiskSize + usedDiskSize;
   return totalSize != 0
       && (availableDiskSize / totalSize) * (double) 100 > getLowDiskPercentThreshold();
 }
 private static boolean hasSpacePct(
     final storage_domains storageDomain, final long requestedSize) {
   Integer availableDiskSize =
       storageDomain.getavailable_disk_size() == null ? 0 : storageDomain.getavailable_disk_size();
   Integer usedDiskSize =
       storageDomain.getused_disk_size() == null ? 0 : storageDomain.getused_disk_size();
   double totalSize = availableDiskSize + usedDiskSize;
   return totalSize != 0
       && ((availableDiskSize - requestedSize) / totalSize) * 100 > getLowDiskPercentThreshold();
 }