@Override
    public void memberCrashed(MembershipEvent event) {
      if (!isDuplicate(event, false)) {
        UniversalMembershipListenerAdapter.this.memberCrashed(event);
      }
    }
Returns true if the member is a client to a CacheServer hosted by this process. Returns false
if the member is a CacheServer that this process is connected to.

@return whether the member is a client to a CacheServer hosted by this process
geode-core/src/main/java/org/apache/geode/management/membership/UniversalMembershipListenerAdapter.java