// pre-db check for major release.
if ($upgrade->checkVersionRelease($rev, 'alpha1')) {
if (!(is_callable([$versionObject, 'verifyPreDBstate']))) {
// pre-db check for major release.
if ($upgrade->checkVersionRelease($rev, 'alpha1')) {
if (!(is_callable([$versionObject, 'verifyPreDBstate']))) {