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

package resiliencehub

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"
)

// Adds or updates the app template for an Resilience Hub application draft
// version.
func (c *Client) PutDraftAppVersionTemplate(ctx context.Context, params *PutDraftAppVersionTemplateInput, optFns ...func(*Options)) (*PutDraftAppVersionTemplateOutput, error) {
	if params == nil {
		params = &PutDraftAppVersionTemplateInput{}
	}

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

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

type PutDraftAppVersionTemplateInput struct {

	// Amazon Resource Name (ARN) of the Resilience Hub application. The format for
	// this ARN is: arn: partition :resiliencehub: region : account :app/ app-id . For
	// more information about ARNs, see Amazon Resource Names (ARNs) (https://docs
    
func (c *Client) addOperationPutDraftAppVersionTemplateMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsRestjson1_serializeOpPutDraftAppVersionTemplate{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpPutDraftAppVersionTemplate{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "PutDraftAppVersionTemplate"); 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 = addOpPutDraftAppVersionTemplateValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opPutDraftAppVersionTemplate(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
}