public static function newLegacyAdapter(DifferentialRevision $revision, DifferentialDiff $diff)
{
$object = new HeraldDifferentialRevisionAdapter();
// Reload the revision to pick up relationship information.
$revision = id(new DifferentialRevisionQuery())->withIDs(array($revision->getID()))->setViewer(PhabricatorUser::getOmnipotentUser())->needRelationships(true)->needReviewerStatus(true)->executeOne();
$object->revision = $revision;
$object->setDiff($diff);
return $object;
}