ForceUpdateIfOlder(context.Context, time.Time) error
}

type podsGetter interface {
	GetPods(context.Context, bool) ([]*Pod, error)
}

// NewRuntimeCache creates a container runtime cache.
func NewRuntimeCache(getter podsGetter, cachePeriod time.Duration) (RuntimeCache, error) {
	return &runtimeCache{
		getter:      getter,
		cachePeriod: cachePeriod,
	}, nil
}