private function buildSubheaderView(PassphraseCredential $credential)
 {
     $viewer = $this->getViewer();
     $author = $viewer->renderHandle($credential->getAuthorPHID())->render();
     $date = phabricator_datetime($credential->getDateCreated(), $viewer);
     $author = phutil_tag('strong', array(), $author);
     $person = id(new PhabricatorPeopleQuery())->setViewer($viewer)->withPHIDs(array($credential->getAuthorPHID()))->needProfileImage(true)->executeOne();
     if (!$person) {
         return null;
     }
     $image_uri = $person->getProfileImageURI();
     $image_href = '/p/' . $credential->getUsername();
     $content = pht('Created by %s on %s.', $author, $date);
     return id(new PHUIHeadThingView())->setImage($image_uri)->setImageHref($image_href)->setContent($content);
 }