public boolean remove(ID mbr) {
    hashedMembers.remove(mbr);
    int idx = members.indexOf(mbr);
    if (idx >= 0) {
      System.arraycopy(failureDetectionPorts, idx + 1, failureDetectionPorts, idx,
          failureDetectionPorts.length - idx - 1);
      failureDetectionPorts[failureDetectionPorts.length - 1] = -1;
    }
    return members.remove(mbr);
  }
return members added in this view
geode-membership/src/main/java/org/apache/geode/distributed/internal/membership/gms/GMSMembershipView.java