Align returns a func to customize a PeriodLimit with alignment.

BasicAuth 权限校验 authFunc鉴权函数，返回值：是否有权限.

NiceLoggerFormatter 更好的日志中间件.

PeriodLimit 分布式限流中间件.

PeriodLimit 本地限流中间件.

Session session中间件，详见https://github.com/gin-contrib/sessions.

Allowed means allowed state.

HitQuota means this request exactly hit the quota.

OverQuota means passed the quota.

to be compatible with aliyun redis, we cannot use `local key = KEYS[1]` to reuse the key.

Unknown means not initialized state.

ErrUnknownCode is an error that represents unknown status code.

OauthAccessToken token model.

OauthClientDetails client model.