https://datatracker.ietf.org/doc/html/rfc6749#appendix-A.12
The lifetime in seconds of the access token.
https://datatracker.ietf.org/doc/html/rfc6749#appendix-A.14
Optional
https://datatracker.ietf.org/doc/html/rfc6749#appendix-A.17
https://datatracker.ietf.org/doc/html/rfc6749#appendix-A.4
https://datatracker.ietf.org/doc/html/rfc6749#appendix-A.13
See
https://datatracker.ietf.org/doc/html/rfc6749#appendix-A.12