*/
public static HLL fromBytes(final byte[] bytes) {
final ISchemaVersion schemaVersion = SerializationUtil.getSchemaVersion(bytes);
final IHLLMetadata metadata = schemaVersion.readMetadata(bytes);
final HLLType type = metadata.HLLType();
final int regwidth = metadata.registerWidth();
final int log2m = metadata.registerCountLog2();
final boolean sparseon = metadata.sparseEnabled();
final int expthresh;