| 
                     | 
    ⇢ | 
                                 
                2
             
             | 
    Transaction::complete() added | 
| 
                     | 
    ⇢ | 
                                 
                2
             
             | 
    Transaction::getSuccess() added | 
| 
                                 2 
             | 
    ↛ | 
                     | 
    Transaction::confirm() removed | 
| 
                                 2 
             | 
    ↛ | 
                     | 
    Transaction::getStatus() removed |