docs: function fetchOrders() {
      return new Promise((resolve, reject) => {
          https.get('https://services.odata.org/V4/Northwind/Northwind.svc/Orders',
          (result) => {
              var str = '';
              result.on('data', (b) => str += b);
              result.on('error', reject);
              result.on('end', () => resolve(JSON.parse(str).value));
          });
      })
  }