/**
  * Process the see tags.
  *
  * @param int $commentStart The position in the stack where the comment started.
  *
  * @return void
  */
 protected function processSees($commentStart)
 {
     $sees = $this->commentParser->getSees();
     if (empty($sees) === false) {
         foreach ($sees as $see) {
             $errorPos = $commentStart + $see->getLine();
             $content = $see->getContent();
             if (empty($content) === true) {
                 $this->helper->addMessage($errorPos, M2_Sniffs_Annotations_Helper::EMPTY_SEE, ['variable']);
                 continue;
             }
             $spacing = substr_count($see->getWhitespaceBeforeContent(), ' ');
             if ($spacing !== 1) {
                 $data = [$spacing];
                 $this->helper->addMessage($errorPos, M2_Sniffs_Annotations_Helper::SEE_INDENT, $data);
             }
         }
     }
 }