code: protected function applyFix(\SplFileInfo $file, Tokens $tokens)
      {
          $tokensCount = \count($tokens);
          for ($index = 0; $index < $tokensCount; ++$index) {
              if (!$tokens[$index]->isGivenKind(T_CLASS)) {
                  continue;
              }
  
              $classOpen = $tokens->getNextTokenOfKind($index, ['{']);
              $prevToken = $tokens[$tokens->getPrevMeaningfulToken($index)];
              $classIsFinal = $prevToken->isGivenKind(T_FINAL);
  
              $this->fixClass($tokens, $classOpen, $classIsFinal);
          }
      }
docs: {@inheritdoc}