code: public void reinitialize() {
          inputWindow = new SccpFlowControlWindow(new SequenceNumberImpl(0), maximumWindowSize);
          outputWindow = new SccpFlowControlWindow(new SequenceNumberImpl(0), maximumWindowSize);
  
          sendSequenceNumberExpectedAtInput = new SequenceNumberImpl(0);
          // inputWindow.setLowerEdge(sendSequenceNumberExpectedAtInput);
  
          lastReceiveSequenceNumberReceived = new SequenceNumberImpl(0);
  
          sendSequenceNumber = new SequenceNumberImpl(0, false, true);
          expectingFirstMessageInputAfterInit = true;
      }
docs: after connection establishing and on connection reset