code: protected function applyFix(\SplFileInfo $file, Tokens $tokens)
      {
          foreach ($tokens as $index => $token) {
              if (!$token->isGivenKind(T_RETURN)) {
                  continue;
              }
  
              if ($this->needFixing($tokens, $index)) {
                  $this->clear($tokens, $index);
              }
          }
      }
docs: {@inheritdoc}