String name = in.readUTF();
int collectionSize = in.readInt();
Map<Data, MultiMapWrapper> collections = new HashMap<Data, MultiMapWrapper>();
for (int j = 0; j < collectionSize; j++) {
Data key = new Data();
key.readData(in);
int collSize = in.readInt();
String collectionType = in.readUTF();
Collection<MultiMapRecord> coll;
if (collectionType.equals(MultiMapConfig.ValueCollectionType.SET.name())) {
coll = new HashSet<MultiMapRecord>();