code: protected void fireTCAbortV1(Dialog tcapDialog, boolean returnMessageOnError) throws MAPException {
  
          if (this.getTCAPProvider().getPreviewMode()) {
              return;
          }
  
          TCUserAbortRequest tcUserAbort = this.getTCAPProvider().getDialogPrimitiveFactory().createUAbort(tcapDialog);
          if (returnMessageOnError)
              tcUserAbort.setReturnMessageOnError(true);
  
          try {
              tcapDialog.send(tcUserAbort);
          } catch (TCAPSendException e) {
              throw new MAPException(e.getMessage(), e);
          }
      }
docs: Issue TC-U-ABORT without any apdu - for MAP V1
  
  @param tcapDialog
  @param returnMessageOnError
  @throws MAPException