docs: @Override
      public void closeConnection(Conversation conversation) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "closeConnection");
  
          try {
              conversation.close();
          } catch (SIException e) {
              FFDCFilter.processException(e,
                                          CLASS_NAME + ".rejectHandshake",
                                          CommsConstants.SERVERTRANSPORTRECEIVELISTENER_CLOSECONN_01,
                                          this);
  
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
                  SibTr.debug(this, tc, "Unable to close the conversation", e);
          }
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "closeConnection");
      }