| Class | Rating | Complexity | Lines of code |
|---|---|---|---|
| FastCourier\FastCourierManagePackages | 67 | 258 | |
| FastCourier\FastCourierUpdateQuotes | 53 | 260 | |
| FastCourier\FastCourierOrders | 51 | 318 | |
| FastCourier\FastCourierVerifyToken | 36 | 161 | |
| FastCourier\FastCourierMenuPage | 34 | 154 | |
| FastCourier\FastCourierLocation | 32 | 170 | |
| FastCourier\FCMerchantAuth | 21 | 137 | |
| FastCourier\FastCourierProducts | 19 | 102 | |
| FastCourier\FastCourierCart | 14 | 37 | |
| FastCourier\Menu | 14 | 150 | |
| FastCourier\FastCourierBatches | 13 | 51 | |
| FastCourier\FastCourierRequests | 12 | 59 |