@Override
    public AssociateTransitGatewayMulticastDomainResult associateTransitGatewayMulticastDomain(AssociateTransitGatewayMulticastDomainRequest request) {
        request = beforeClientExecution(request);
        return executeAssociateTransitGatewayMulticastDomain(request);
    }
<p>
Associates the specified subnets and transit gateway attachments with the specified transit gateway multicast
domain.
</p>
<p>
The transit gateway attachment must be in the available state before you can add a resource. Use <a
href="https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeTransitGatewayAttachments.html"
>DescribeTransitGatewayAttachments</a> to see the state of the attachment.
</p>

@param associateTransitGatewayMulticastDomainRequest
@return Result of the AssociateTransitGatewayMulticastDomain operation returned by the service.
@sample AmazonEC2.AssociateTransitGatewayMulticastDomain
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/AssociateTransitGatewayMulticastDomain"
     target="_top">AWS API Documentation</a>
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/AmazonEC2Client.java