code: function (qs, options) {
  
              debug('Extracting items...');
  
              qs = qs + '';
  
              debug('Separator: %s', options.separator);
  
              // split query string parameters on separator (default is: '&')
              const items = qs.split(options.separator, Number.MAX_SAFE_INTEGER);
              debug('Items: %o', items);
  
              return items;
          }
docs: Extract items
  @param {string} qs Query string
  @param {any} options Parser options
  @returns {array<any>} Extracted items