public String getNamedBlobNamePath(String accountName, String containerName) {
    if (this.renameFrom != null) {
      return getRenamedPath(accountName, containerName);
    } else {
      return getOriginalPath(accountName, containerName);
    }
  }
@return the creation time of the dataset version.
ambry-api/src/main/java/com/github/ambry/account/DatasetVersionRecord.java