@Override
  public ID getMemberID() {
    return memberID;
  }
A member of the cluster can request that another member be removed. This message is
sent to the cluster's membership coordinator. This message is also sent to non-members
that attempt to communicate with the cluster. They should respond by shutting down.
No response message is required.
geode-membership/src/main/java/org/apache/geode/distributed/internal/membership/gms/messages/RemoveMemberMessage.java