### Description Defined in [JWT Response for OAuth Token Introspection](https://datatracker.ietf.org/doc/html/draft-ietf-oauth-jwt-introspection-response-12) and required for the [FAPI 2.0 Message Signing](https://openid.bitbucket.io/fapi/fapi-2_0-message-signing.html) profile. See #317.
Description
Defined in JWT Response for OAuth Token Introspection and required for the FAPI 2.0 Message Signing profile.
See #317.