public static Path getWorkingSnapshotDir(String snapshotName, final Path rootDir,
    Configuration conf) {
    return getSpecifiedSnapshotDir(getWorkingSnapshotDir(rootDir, conf), snapshotName);
  }
Get the directory to build a snapshot, before it is finalized
@param snapshotName name of the snapshot
@param rootDir      root directory of the hbase installation
@param conf         Configuration of the HBase instance
@return {@link Path} where one can build a snapshot
hbase-server/src/main/java/org/apache/hadoop/hbase/snapshot/SnapshotDescriptionUtils.java