code: protected function parseName($content, &$position)
      {
          $this->typeCheck->parseName(func_get_args());
  
          return $this->parseContent(
              $content,
              $position,
              '/^\s*\$(\w+)(?:,\.{3})?/',
              false,
              'name'
          );
      }
docs: @param string $content
  @param integer &$position
  
  @return string