return iPriority > jPriority
	})

	return groups
}

// Fetches from cache if it exists. If cache is empty, create it.
func (rdm *resourceDiscoveryManager) fetchFromCache() *cachedGroupList {
	rdm.lock.RLock()
	defer rdm.lock.RUnlock()

	cacheLoad := rdm.cache.Load()
	if cacheLoad != nil {
		return cacheLoad
	}
	response := apidiscoveryv2.APIGroupDiscoveryList{