| ⇢ | A | SecurityTrait added |
| ⇢ | C | SecurityTrait::getSignContent() added | |
| ⇢ | B | SecurityTrait::verifySign() added | |
| ⇢ | B | RequestTrait::send() added | |
| ⇢ | A | SecurityTrait::getKey() added | |
| ⇢ | A | SecurityTrait::generateSign() added | |
| ⇢ | A | SecurityTrait::toEncoding() added | |
| ⇢ | A | Alipay::query() added | |
| C | ↛ | AbstractAlipay::getSignContent() removed | |
| B | ↛ | AbstractAlipay::verifySign() removed | |
| B | ↛ | AbstractAlipay::send() removed | |
| A | ↛ | AbstractAlipay::toEncoding() removed | |
| A | ↛ | AbstractAlipay::generateSign() removed | |
| A | ↛ | AbstractAlipay::getKey() removed |