| Class | Description | 
|---|---|
| ScramCredential | SCRAM credential class that encapsulates the credential data persisted for each user that is
 accessible to the server. | 
| ScramCredentialCallback | Callback used for SCRAM mechanisms. | 
| ScramExtensionsCallback | Optional callback used for SCRAM mechanisms if any extensions need to be set
 in the SASL/SCRAM exchange. | 
| ScramLoginModule |