public static CancellationMessage create(InternalDistributedMember recipient, int msgToCancel) {
    CancellationMessage m = new CancellationMessage();
    m.msgToCancel = msgToCancel;
    m.setRecipient(recipient);
    return m;
  }
A message that is sent to a particular distribution manager to cancel an admin request
geode-core/src/main/java/org/apache/geode/internal/admin/remote/CancellationMessage.java