code: protected function applyFix(\SplFileInfo $file, Tokens $tokens)
      {
          foreach ($tokens as $index => $token) {
              if ($token->isGivenKind(T_IS_NOT_EQUAL)) {
                  $tokens[$index] = new Token([T_IS_NOT_EQUAL, '!=']);
              }
          }
      }
docs: {@inheritdoc}