if gt == fosite.GrantTypeAuthorizationCode {
        if tt == fosite.AccessToken && c.AuthorizationCodeGrantAccessTokenLifespan.Valid {
            cl = &c.AuthorizationCodeGrantAccessTokenLifespan.Duration
        } else if tt == fosite.IDToken && c.AuthorizationCodeGrantIDTokenLifespan.Valid {
            cl = &c.AuthorizationCodeGrantIDTokenLifespan.Duration