How to use

addVariable

method

in

com.intellij.codeInsight.template.Template

private static void setupFunctionParameters(@NotNull Template template,
                      @NotNull List<GoExpression> args, PsiFile file) {
 Map<String, GoImportSpec> importMap = ((GoFile)file).getImportedPackagesMap();
 template.addTextSegment("(");
 for (int i = 0; i < args.size(); i++) {
  GoExpression e = args.get(i);
  template.addVariable(GoRefactoringUtil.createParameterNameSuggestedExpression(e), true);
  template.addTextSegment(" ");
  String type = convertType(file, e.getGoType(null), importMap);
  template.addVariable(new ConstantNode(type), true);
  if (i != args.size() - 1) template.addTextSegment(", ");
 }
 template.addTextSegment(")");
}

 template.addVariable("name", nameExpr, nameExpr, !automatic);
} else {
 template.addVariableSegment("name");

private static void setupFunctionResult(@NotNull Template template, @Nullable GoType type) {
 if (type instanceof GoTypeList) {
  template.addTextSegment(" (");
  List<GoType> list = ((GoTypeList)type).getTypeList();
  for (int i = 0; i < list.size(); i++) {
   template.addVariable(new ConstantNode(list.get(i).getText()), true);
   if (i < list.size() - 1) template.addTextSegment(", ");
  }
  template.addTextSegment(")");
  return;
 }
 if (type != null) {
  template.addTextSegment(" ");
  template.addVariable(new ConstantNode(type.getText()), true);
 }
}

template.addVariable("name" + i, name, name, true);
template.addVariable("value" + i, name, name, true);
  template.addVariable("name" + i, name, name, true);
  template.addVariable("value" + i, name, name, true);
  template.addVariable("name" + i, name, name, true);
  template.addVariable("value" + i, name, name, true);
template.addVariable("name" + size, name, name, true);
template.addVariable("value" + size, name, name, true);