public static Set<String> getHFileNames(final Configuration conf, final FileSystem fs,
    final Path snapshotDir) throws IOException {
    SnapshotDescription desc = SnapshotDescriptionUtils.readSnapshotInfo(fs, snapshotDir);
    return getHFileNames(conf, fs, snapshotDir, desc);
  }
Returns the store file names in the snapshot.
@param conf        The current {@link Configuration} instance.
@param fs          {@link FileSystem}
@param snapshotDir {@link Path} to the Snapshot directory
@throws IOException if an error occurred while scanning the directory
@return the names of hfiles in the specified snaphot
hbase-server/src/main/java/org/apache/hadoop/hbase/snapshot/SnapshotReferenceUtil.java