private void addExpressionResultNode() {
    XExpression expression = myEvaluateComboBox.getExpression();
    if (!XDebuggerUtilImpl.isEmptyExpression(expression)) {
      myEvaluateComboBox.saveTextInHistory();
      XDebugSession session = getSession(getTree());
      myRootNode.addResultNode(session != null ? session.getCurrentStackFrame() : null, expression);
      DebuggerEvaluationStatisticsCollector.INLINE_EVALUATE.log(getTree().getProject());
    }
  }
private void addExpressionResultNode()