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

package sagemaker

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

// Creates an association between the source and the destination. A source can be
// associated with multiple destinations, and a destination can be associated with
// multiple sources. An association is a lineage tracking entity. For more
// information, see Amazon SageMaker ML Lineage Tracking (https://docs.aws.amazon.com/sagemaker/latest/dg/lineage-tracking.html)
// .
func (c *Client) AddAssociation(ctx context.Context, params *AddAssociationInput, optFns ...func(*Options)) (*AddAssociationOutput, error) {
	if params == nil {
		params = &AddAssociationInput{}
	}

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

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

type AddAssociationInput struct {

	// The Amazon Resource Name (ARN) of the destination.
	//
	// This member is required.
	DestinationArn *string

	// The ARN of the source.
	//
	// This member is required.
	SourceArn *string

	// The type of association. The following are suggested uses for each type. Amazon
	// SageMaker places no restrictions on their use.
	//   - ContributedTo - The source contributed to the destination or had a part in
	//   enabling the destination. For example, the training data contributed to the
	//   training job.
	//   - AssociatedWith - The source is connected to the destination. For example,
	//   an approval workflow is associated with a model deployment.
	//   - DerivedFrom - The destination is a modification of the source. For example,
	//   a digest output of a channel input for a processing job is derived from the
	//   original inputs.
	//   - Produced - The source generated the destination. For 
    
func (c *Client) addOperationAddAssociationMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsAwsjson11_serializeOpAddAssociation{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpAddAssociation{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "AddAssociation"); 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 = addOpAddAssociationValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opAddAssociation(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
}