code: protected function applyFix(\SplFileInfo $file, Tokens $tokens)
      {
          for ($position = \count($tokens) - 1; $position >= 0; --$position) {
              if ($tokens[$position]->isGivenKind([T_CASE, T_DEFAULT])) {
                  $this->fixCase($tokens, $position);
              }
          }
      }
docs: {@inheritdoc}