GetField extracts a field from the claims as a string.

GetFieldInterface extracts a field from the claims as an interface.

GetIssuedAt returns the issued at as an int64.

GetScopeValues extracts the values of specified scopes from the claims.

IsMember returns whether or not the user's claims is a member of any of the groups.

MapClaims converts a jwt.Claims to a MapClaims.