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: api_op_UpdateHITTypeOfHIT.go
    path of file: ./repos/aws-sdk-go-v2/service/mturk
    
    the code of the file until where you have to start completion: // Code generated by smithy-go-codegen DO NOT EDIT.

package mturk

import (
	"context"
	"fmt"
	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// The UpdateHITTypeOfHIT operation allows you to change the HITType properties of
// a HIT. This operation disassociates the HIT from its old HITType properties and
// associates it with the new HITType properties. The HIT takes on the properties
// of the new HITType in place of the old ones.
func (c *Client) UpdateHITTypeOfHIT(ctx context.Context, params *UpdateHITTypeOfHITInput, optFns ...func(*Options)) (*UpdateHITTypeOfHITOutput, error) {
	if params == nil {
		params = &UpdateHITTypeOfHITInput{}
	}

	result, metadata, err := c.invokeOperation(ctx, "UpdateHITTypeOfHIT", params, optFns, c.addOperationUpdateHITTypeOfHITMiddlewares)
	if err != nil {
		return nil, err
	}

	out := result.(*UpdateHITTypeOfHITOutput)
	out.ResultMetadata = metadata
	return out, nil
}

type UpdateHITTypeOfHITInput struct {

	// The HIT to update.
	//
	// This member is required.
	HITId *string

	// The ID of the new HIT type.
	//
	// This member is required.
	HITTypeId *string

	noSmithyDocumentSerde
}

type UpdateHITTypeOfHITOutput struct {
	// Metadata pertaining to the operation's result.
	ResultMetadata middleware.Metadata

	noSmithyDocumentSerde
}

func (c *Client) addOperationUpdateHITTypeOfHITMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err =
    
func (c *Client) addOperationUpdateHITTypeOfHITMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsAwsjson11_serializeOpUpdateHITTypeOfHIT{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpUpdateHITTypeOfHIT{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "UpdateHITTypeOfHIT"); err != nil {
		return fmt.Errorf("add protocol finalizers: %v", err)
	}

	if err = addlegacyEndpointContextSetter(stack, options); err != nil {
		return err
	}
	if err = addSetLoggerMiddleware(stack, options); err != nil {
		return err
	}
	if err = addClientRequestID(stack); err != nil {
		return err
	}
	if err = addComputeContentLength(stack); err != nil {
		return err
	}
	if err = addResolveEndpointMiddleware(stack, options); err != nil {
		return err
	}
	if err = addComputePayloadSHA256(stack); err != nil {
		return err
	}
	if err = addRetry(stack, options); err != nil {
		return err
	}
	if err = addRawResponseToMetadata(stack); err != nil {
		return err
	}
	if err = addRecordResponseTiming(stack); err != nil {
		return err
	}
	if err = addClientUserAgent(stack, options); err != nil {
		return err
	}
	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
		return err
	}
	if err = addOpUpdateHITTypeOfHITValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opUpdateHITTypeOfHIT(options.Region), middleware.Before); err != nil {
		return err
	}
	if err = addRecursionDetection(stack); err != nil {
		return err
	}
	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
		return err
	}
	if err = addResponseErrorMiddleware(stack); err != nil {
		return err
	}
	if err = addRequestResponseLogging(stack, options); err != nil {
		return err
	}
	if err = addDisableHTTPSMiddleware(stack, options); err != nil {
		return err
	}
	return nil
}