default boolean isNext(RegionInfo after) {
    return getTable().equals(after.getTable()) && Bytes.equals(getEndKey(), after.getStartKey());
  }
Returns True if region is next, adjacent but 'after' this one.
@see #isAdjacent(RegionInfo)
@see #areAdjacent(RegionInfo, RegionInfo)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/RegionInfo.java