private function _formatAuthorOptions(array $authors): array
    {
        $options = [];

        foreach ($authors as $author) {
            $authorLabel = $author->username;

            if ($fullName = $author->getFullName()) {
                $authorLabel .= ' ('.$fullName.')';
            }

            $options[] = ['label' => $authorLabel, 'value' => $author->uid];
        }

        return $options;
    }