| ⇢ | A | SignableElementTrait added |
| ⇢ | A | SignableElementTrait::validate() added | |
| ⇢ | A | SignableElementTrait::getValidatingCertificates() added | |
| ⇢ | A | SignableElementTrait::getSignature() added | |
| ⇢ | A | SignableElementTrait::toSignedXML() added | |
| ⇢ | A | SignableElementTrait::setSignature() added |