# Package io.vertx.ext.auth.oauth2

- Interface Summary
  Interface | Description
  --- | ---
  AccessToken | AccessToken extension to the User interface
  KeycloakHelper | Helper class for processing Keycloak principal.
  OAuth2Auth | Factory interface for creating OAuth2 based `AuthProvider` instances.

- Class Summary
  Class | Description
  --- | ---
  OAuth2ClientOptions | Options describing how an OAuth2 `HttpClient` will make connections.
  OAuth2ClientOptionsConverter | Converter for `OAuth2ClientOptions`.

- Enum Summary
  Enum | Description
  --- | ---
  OAuth2FlowType | OAuth2 Flows

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