phorge-phorge/src/applications/differential/herald/DifferentialRevisionHeraldField.php

<?php

abstract class DifferentialRevisionHeraldField extends HeraldField {

  public function supportsObject($object) {
    return ($object instanceof DifferentialRevision);
  }

  public function getFieldGroupKey() {
    return DifferentialRevisionHeraldFieldGroup::FIELDGROUPKEY;
  }

}