code: protected function applyFix(\SplFileInfo $file, Tokens $tokens)
      {
          for ($index = $tokens->count() - 1; 0 <= $index; --$index) {
              if ($tokens[$index]->isGivenKind($this->candidateTokenKind)) {
                  if (T_LIST === $this->candidateTokenKind) {
                      $this->fixToShortSyntax($tokens, $index);
                  } else {
                      $this->fixToLongSyntax($tokens, $index);
                  }
              }
          }
      }
docs: {@inheritdoc}