}

type defaultFeatureSupportChecker struct {
	lock                    sync.Mutex
	progressNotifySupported *bool
	checkingEndpoint        map[string]struct{}
}

func newDefaultFeatureSupportChecker() *defaultFeatureSupportChecker {
	return &defaultFeatureSupportChecker{
		checkingEndpoint: make(map[string]struct{}),
	}
}

// Supports can check the featue from anywhere without storage if it was cached before.