You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: goai_response_ref.go
    path of file: ./repos/gf/net/goai
    
    the code of the file until where you have to start completion: // Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.

package goai

import (
	"reflect"

	"github.com/gogf/gf/v2/internal/json"
	"github.com/gogf/gf/v2/os/gstructs"
	"github.com/gogf/gf/v2/text/gstr"
)

type ResponseRef struct {
	Ref   string
	Value *Response
}

// Responses is specified by OpenAPI/Swagger 3.0 standard.
type Responses map[string]ResponseRef

func (r ResponseRef) MarshalJSON() ([]byte, error) {
	if r.Ref != "" {
		return formatRefToBytes(r.Ref), nil
	}
	return json.Marshal(r.Value)
}

type getResponseSchemaRefInput struct {
	BusinessStructName      string      // The business struct name.
	CommonResponseObject    interface{} // Common response object.
	CommonResponseDataField string      // Common response data field.
}

func (oai *OpenApiV3) getResponseSchemaRef(in getResponseSchemaRefInput) (*SchemaRef, error) {
	if in.CommonResponseObject == nil {
		return &SchemaRef{
			Ref: in.BusinessStructName,
		}, nil
	}

	var (
		dataFieldsPartsArray       = gstr.Split(in.CommonResponseDataField, ".")
		bizResponseStructSchemaRef = oai.Components.Schemas.Get(in.BusinessStructName)
		schema, err                = oai.structToSchema(in.CommonResponseObject)
	)
	if err != nil {
		return nil, err
	}
	if in.CommonResponseDataField == "" && bizResponseStructSchemaRef != nil {
		// Normal response.
		bizResponseStructSchemaRef.Value.Properties.Iterator(func(key string, ref SchemaRef) bool {
			schema.Properties.Set(key, ref)
			return true
		})
	} else {
		// Common response.
		structFields, _ := gstructs.Fields(gstructs.FieldsInput{
			Pointer:         in.CommonResponseObject,
			RecursiveOption: gstructs.RecursiveOptionEmbeddedNoTag,
		})
		for _, structField := range structFields {
			var fieldName = structField.Name()
			if jsonName := structField.TagJso
    
func (oai *OpenApiV3) getResponseSchemaRef(in getResponseSchemaRefInput) (*SchemaRef, error) {
	if in.CommonResponseObject == nil {
		return &SchemaRef{
			Ref: in.BusinessStructName,
		}, nil
	}

	var (
		dataFieldsPartsArray       = gstr.Split(in.CommonResponseDataField, ".")
		bizResponseStructSchemaRef = oai.Components.Schemas.Get(in.BusinessStructName)
		schema, err                = oai.structToSchema(in.CommonResponseObject)
	)
	if err != nil {
		return nil, err
	}
	if in.CommonResponseDataField == "" && bizResponseStructSchemaRef != nil {
		// Normal response.
		bizResponseStructSchemaRef.Value.Properties.Iterator(func(key string, ref SchemaRef) bool {
			schema.Properties.Set(key, ref)
			return true
		})
	} else {
		// Common response.
		structFields, _ := gstructs.Fields(gstructs.FieldsInput{
			Pointer:         in.CommonResponseObject,
			RecursiveOption: gstructs.RecursiveOptionEmbeddedNoTag,
		})
		for _, structField := range structFields {
			var fieldName = structField.Name()
			if jsonName := structField.TagJsonName(); jsonName != "" {
				fieldName = jsonName
			}
			switch len(dataFieldsPartsArray) {
			case 1:
				if structField.Name() == dataFieldsPartsArray[0] {
					if err = oai.tagMapToSchema(structField.TagMap(), bizResponseStructSchemaRef.Value); err != nil {
						return nil, err
					}
					schema.Properties.Set(fieldName, *bizResponseStructSchemaRef)
					break
				}
			default:
				// Recursively creating common response object schema.
				if structField.Name() == dataFieldsPartsArray[0] {
					var structFieldInstance = reflect.New(structField.Type().Type).Elem()
					schemaRef, err := oai.getResponseSchemaRef(getResponseSchemaRefInput{
						BusinessStructName:      in.BusinessStructName,
						CommonResponseObject:    structFieldInstance,
						CommonResponseDataField: gstr.Join(dataFieldsPartsArray[1:], "."),
					})
					if err != nil {
						return nil, err
					}
					schema.Properties.Set(fieldName, *schemaRef)
					break
				}
			}
		}
	}

	return &SchemaRef{
		Value: schema,
	}, nil
}