code: private function getLineBracesCount(Tokens $tokens, $index)
      {
          $opening = 0;
          $closing = 0;
  
          while (isset($tokens[++$index])) {
              $token = $tokens[$index];
              if ($token->isType(DocLexer::T_NONE) && false !== strpos($token->getContent(), "\n")) {
                  break;
              }
  
              if ($token->isType([DocLexer::T_OPEN_PARENTHESIS, DocLexer::T_OPEN_CURLY_BRACES])) {
                  ++$opening;
  
                  continue;
              }
  
              if (!$token->isType([DocLexer::T_CLOSE_PARENTHESIS, DocLexer::T_CLOSE_CURLY_BRACES])) {
                  continue;
              }
  
              if ($opening > 0) {
                  --$opening;
              } else {
                  ++$closing;
              }
          }
  
          return [$opening, $closing];
      }
docs: @param Tokens $tokens
  @param int    $index
  
  @return int[]