public String getTransitGatewayMulticastDomainArn() {
        return this.transitGatewayMulticastDomainArn;
    }
<p>
The Amazon Resource Name (ARN) of the transit gateway multicast domain.
</p>

@return The Amazon Resource Name (ARN) of the transit gateway multicast domain.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/TransitGatewayMulticastDomain.java