}
	st := sv.Type()
	if !isStructKind(st.Kind()) {
		return nil, fmt.Errorf("expecting a pointer to a struct")
	}

	// Check all object fields
	convertStruct(result, st, sv)

	return result, nil
}

func convertStruct(result url.Values, st reflect.Type, sv reflect.Value) {
	for i := 0; i < st.NumField(); i++ {
		field := sv.Field(i)
		tag, omitempty := jsonTag(st.Field(i))
		if len(tag) == 0 {