public <K> List<K> getInterestList(final @NotNull InterestType interestType) {
    return pool.getRITracker().getInterestList(regionName, interestType);
  }
Does a region unregisterInterestList on a server

@param keys list of keys we are interested in
@param isClosing true if this unregister is done by a close
@param keepAlive true if this unregister should not undo a durable registration
geode-core/src/main/java/org/apache/geode/cache/client/internal/ServerRegionProxy.java