@Override
  public boolean isPending() {
    return false;
  }
@return the absolute time (ms since Jan 1, 1970) at which this region expires, due to either
        time-to-live or idle-timeout (whichever will occur first), or 0 if neither are used.
geode-core/src/main/java/org/apache/geode/internal/cache/RegionIdleExpiryTask.java