code: protected function applyFix(\SplFileInfo $file, Tokens $tokens)
      {
          foreach ($tokens as $index => $token) {
              if (!$token->isGivenKind(T_FUNCTION)) {
                  continue;
              }
  
              $index = $tokens->getNextTokenOfKind($index, [';', '{']);
              if ($tokens[$index]->equals('{')) {
                  $this->fixFunction($tokens, $index, $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $index));
              }
          }
      }
docs: {@inheritdoc}