@Override
    public void quorumLost(DistributionManager distributionManager,
        Set<InternalDistributedMember> failures, List<InternalDistributedMember> remaining) {}
Used to get membership events from our advisor to implement RegionMembershipListener
invocations. This is copied almost in whole from DistributedRegion

@since GemFire 5.7
geode-core/src/main/java/org/apache/geode/internal/cache/PartitionedRegion.java