private GrTypeComboBox createTypeComboBox(GrVariable var, GrExpression expr, StringPartInfo stringPartInfo) {
    GrTypeComboBox box;
    if (var != null) {
      box = GrTypeComboBox.createTypeComboBoxWithDefType(var.getDeclaredType(), var);
    }
    else if (expr != null) {
      box = GrTypeComboBox.createTypeComboBoxFromExpression(expr);
    }
    else if (stringPartInfo != null) {
      box = GrTypeComboBox.createTypeComboBoxFromExpression(stringPartInfo.getLiteral());
    }
    else {
      box = GrTypeComboBox.createEmptyTypeComboBox();
    }

    box.addClosureTypesFrom(inferClosureReturnType(), myInfo.getContext());
    if (expr == null && var == null && stringPartInfo == null) {
      box.setSelectedIndex(box.getItemCount() - 1);
    }
    return box;
  }
private GrTypeComboBox createTypeComboBox(GrVariable var, GrExpression expr, StringPartInfo stringPartInfo)