@Override
        public SnapshotRegionManifest call() throws IOException {
          try (FSDataInputStream stream = fs.open(st.getPath())) {
            CodedInputStream cin = CodedInputStream.newInstance(stream);
            cin.setSizeLimit(manifestSizeLimit);
            return SnapshotRegionManifest.parseFrom(cin);
          }
        }
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