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

package appfabric

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

// Establishes a connection between Amazon Web Services AppFabric and an
// application, which allows AppFabric to call the APIs of the application.
func (c *Client) ConnectAppAuthorization(ctx context.Context, params *ConnectAppAuthorizationInput, optFns ...func(*Options)) (*ConnectAppAuthorizationOutput, error) {
	if params == nil {
		params = &ConnectAppAuthorizationInput{}
	}

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

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

type ConnectAppAuthorizationInput struct {

	// The Amazon Resource Name (ARN) or Universal Unique Identifier (UUID) of the app
	// authorization to use for the request.
	//
	// This member is required.
	AppAuthorizationIdentifier *string

	// The Amazon Resource Name (ARN) or Universal Unique Identifier (UUID) of the app
	// bundle that contains the app authorization to use for the request.
	//
	// This member is required.
	AppBundleIdentifier *string

	// Contains OAuth2 authorization information. This is required if the app
	// authorization for the request is configured with an OAuth2 ( oauth2 )
	// authorization type.
	AuthRequest *types.AuthRequest

	noSmithyDocumentSerde
}

ty
    
func (c *Client) addOperationConnectAppAuthorizationMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsRestjson1_serializeOpConnectAppAuthorization{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpConnectAppAuthorization{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "ConnectAppAuthorization"); 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 = addOpConnectAppAuthorizationValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opConnectAppAuthorization(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
}