@InterfaceAudience.Private
  static RegionInfo parseFromOrNull(final byte[] bytes) {
    if (bytes == null) return null;
    return parseFromOrNull(bytes, 0, bytes.length);
  }
Returns A deserialized {@link RegionInfo} or null if we failed deserialize or passed bytes null
hbase-client/src/main/java/org/apache/hadoop/hbase/client/RegionInfo.java