package internal import ( "sync" "time" ) type LicenseChecker struct { LicenseAPIURL string APIKey string PollInterval time.Duration mu sync.RWMutex lastGood time.Time valid bool } func (lc *LicenseChecker) setValid(ok bool) { lc.mu.Lock() defer lc.mu.Unlock() lc.valid = ok if ok { lc.lastGood = time.Now() } }