| SignatureInterface | Interface used to provide interchangeable strategies for requests |
| BearerTokenSignature | Class BearerTokenSignature |
| ShaHmac1Signature | Class ShaHmac1Signature |
| ShaHmac256Signature | Class ShaHmac256Signature |
| ShaHmac256WithRsaSignature | Class ShaHmac256WithRsaSignature |
| Signature | Class Signature |