@Override
  public long getHitCount() {
    if (rs == null) {
      return 0;
    } else {
      return rs.getHitCount();
    }
  }
This method will return an empty array if there are no CacheListeners defined on the region. If
there are one or more than 1 CacheListeners defined, this method will return an array which has
the description of all the CacheListeners

@return String[] the region's <code>CacheListeners</code> descriptions as a String array
@since GemFire 6.0
geode-core/src/main/java/org/apache/geode/admin/internal/SystemMemberRegionImpl.java