@Override
    public SnapshotRegionManifest.Builder regionOpen(final RegionInfo regionInfo) {
      SnapshotRegionManifest.Builder manifest = SnapshotRegionManifest.newBuilder();
      manifest.setRegionInfo(ProtobufUtil.toRegionInfo(regionInfo));
      return manifest;
    }
DO NOT USE DIRECTLY. USE {@link SnapshotManifest}. Snapshot v2 layout format - Single Manifest
file containing all the information of regions - In the online-snapshot case each region will
write a "region manifest" /snapshotName/manifest.regionName
hbase-server/src/main/java/org/apache/hadoop/hbase/snapshot/SnapshotManifestV2.java