@Override
    public boolean isMetaRegion() {
      return getOrDefault(IS_META_KEY, Boolean::valueOf, false);
    }
Checks if this table is <code> hbase:meta </code> region.
@return true if this table is <code> hbase:meta </code> region
hbase-client/src/main/java/org/apache/hadoop/hbase/client/TableDescriptorBuilder.java