# Package org.keycloak.authentication.model

- Class Summary
  Class | Description
  --- | ---
  AbstractModelAuthenticationProvider | Authentication provider, which delegates calling of all methods to specified realm
  ExternalModelAuthenticationProvider | AbstractModelAuthenticationProvider, which delegates authentication operations to different (external) realm
  ExternalModelAuthenticationProviderFactory |
  ModelAuthenticationProvider | AbstractModelAuthenticationProvider, which uses current realm to call operations on
  ModelAuthenticationProviderFactory |

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