func (store *IAMStoreSys) GetAllParentUsers() map[string]ParentUserInfo {
	cache := store.rlock()
	defer store.runlock()

	return store.getParentUsers(cache)
}

// assumes store is locked by caller.
func (store *IAMStoreSys) getParentUsers(cache *iamCache) map[string]ParentUserInfo {
	res := map[string]ParentUserInfo{}
	for _, ui := range cache.iamUsersMap {
		cred := ui.Credentials

			if err == nil {
				cache.Info.replication = replicationConfig{
					Config:  rcfg,
					remotes: tgts,
				}
			}
		}
	}

	// Check if bucket is object locked.
	lr, err := globalBucketObjectLockSys.Get(cache.Info.Name)
	if err != nil {
		scannerLogOnceIf(ctx, err, cache.Info.Name)
		return cache, err
	}

	vcfg, _ := globalBucketVersioningSys.Get(cache.Info.Name)