ratelimit

type Key struct {
	Service          string
	IsServiceLimiter bool
	Method           string
	Entity           string
}

type Limit struct {
	Rate   uint64
	Burst  uint64
	Period time.Duration
}

type Limiter interface {
	Allow(ctx context.Context, key Key, limit Limit) (allowed bool, retryAfter time.Duration, err error)
}