public MiniClusterRule build() {
      return new MiniClusterRule(conf,
        miniClusterOption != null
          ? miniClusterOption
          : StartTestingClusterOption.builder().build());
    }
Seed the underlying {@link HBaseTestingUtil} with the provided {@link Configuration}.
hbase-server/src/test/java/org/apache/hadoop/hbase/MiniClusterRule.java