public static void execute(ExecutablePool pool, String region, Object key,
      final @NotNull InterestType interestType,
      boolean isClosing, boolean keepAlive) {
    AbstractOp op = new UnregisterInterestOpImpl(region, key, interestType, isClosing, keepAlive);
    pool.executeOnAllQueueServers(op);
  }
Does a region unregisterInterest on a server using connections from the given pool to
communicate with the server.

@param pool the pool to use to communicate with the server.
@param region the name of the region to do the unregisterInterest on
@param key describes what we are no longer interested in
@param interestType the {@link InterestType} for this unregister
@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/UnregisterInterestOp.java