|  | ⇢ | 
                100%
             | WhenNull added | 
|  | ⇢ | 
                100%
             | Never added | 
|  | ⇢ | 
                100%
             | WhenEmpty added | 
| 100% | ↛ |  | SimpleEmpty removed | 
| 100% | ↛ |  | NullEmpty removed | 
| 100% | ↛ |  | NoEmpty removed | 
|  | ⇢ | 
                6
             | WhenEmpty::__invoke() added | 
|  | ⇢ | 
                1
             | WhenNull::__invoke() added | 
|  | ⇢ | 
                1
             | Never::__invoke() added | 
|  | ⇢ | 
                1
             | Required::getEmptyCriteria() added | 
|  | ⇢ | 
                1
             | WhenEmpty::__construct() added | 
| 6 | ↛ |  | SimpleEmpty::__invoke() removed | 
| 1 | ↛ |  | SimpleEmpty::__construct() removed | 
| 1 | ↛ |  | Required::getEmptyHandler() removed | 
| 1 | ↛ |  | NullEmpty::__invoke() removed | 
| 1 | ↛ |  | NoEmpty::__invoke() removed |