docs: public void addNewMessageToSend(MessageID messageID, Collection<Address> destinations, long initialSequenceNumber,
                                      boolean deliverToMyself) {
          MessageInfo messageInfo = new MessageInfo(destinations, initialSequenceNumber, deliverToMyself);
          if (deliverToMyself) {
              messageInfo.setProposeReceived(messageID.getAddress());
          }
          sentMessages.put(messageID, messageInfo);
      }