| Class | Rating | Complexity | Lines of code |
|---|---|---|---|
| FastCourier\FastCourierUpdateQuotes | 115 | 398 | |
| FastCourier\FastCourierOrders | 113 | 547 | |
| FastCourier\FastCourierManagePackages | 84 | 336 | |
| FastCourier\FastCourierVerifyToken | 51 | 220 | |
| FastCourier\FastCourierProducts | 48 | 223 | |
| FastCourier\FastCourierLocation | 38 | 182 | |
| FastCourier\FastCourierMenuPage | 34 | 157 | |
| FastCourier\FCMerchantAuth | 24 | 141 | |
| FastCourier\FastCourierCart | 24 | 86 | |
| FastCourier\FastCourierRequests | 20 | 104 | |
| FastCourier\FastCourierBatches | 16 | 75 | |
| FastCourier\Menu | 12 | 83 |