removeToken abstract method Null safety

FutureOr removeToken(
  1. AuthServer server,
  2. AuthCode grantedByCode
)

Must delete a AuthToken granted by grantedByCode.

If an AuthToken has been granted by exchanging AuthCode, that token must be revoked and can no longer be used to authorize access to a resource. grantedByCode should also be removed.

This method is invoked when attempting to exchange an authorization code that has already granted a token.

Implementation

FutureOr removeToken(AuthServer server, AuthCode grantedByCode);