@Override
        public SnapshotRegionManifest call() throws IOException {
          RegionInfo hri = HRegionFileSystem.loadRegionInfoFileContent(fs, region.getPath());
          return buildManifestFromDisk(conf, fs, snapshotDir, hri, htd);
        }
DO NOT USE DIRECTLY. USE {@link SnapshotManifest}. Snapshot v1 layout format - Each region in the
table is represented by a directory with the .hregioninfo file
/snapshotName/regionName/.hregioninfo - Each file present in the table is represented by an empty
file /snapshotName/regionName/familyName/fileName
hbase-server/src/main/java/org/apache/hadoop/hbase/snapshot/SnapshotManifestV1.java