original_string: public function dbConnect($dsn = null)
      {
          $this->db = $this->add('DB');
          /** @type DB $this->db */
  
          return $this->db->connect($dsn);
      }
code: public function dbConnect($dsn = null)
      {
          $this->db = $this->add('DB');
          /** @type DB $this->db */
  
          return $this->db->connect($dsn);
      }
code_tokens: public function dbConnect ( $ dsn = null ) { $ this -> db = $ this -> add ( 'DB' ) ; /** @type DB $this->db */ return $ this -> db -> connect ( $ dsn ) ; }
docstring: Use database configuration settings from config file to establish default connection.
  
  @param mixed $dsn
  
  @return DB
docstring_tokens: Use database configuration settings from config file to establish default connection .