@Deprecated
  public static QuotaRetriever open(final Configuration conf) throws IOException {
    return open(conf, null);
  }
Open a QuotaRetriever with no filter, all the quota settings will be returned.
@param conf Configuration object to use.
@return the QuotaRetriever
@throws IOException if a remote or network exception occurs
@deprecated Since 3.0.0, will be removed in 4.0.0. Use
            {@link #QuotaRetriever(Configuration, Scan)} instead.
hbase-client/src/main/java/org/apache/hadoop/hbase/quotas/QuotaRetriever.java