public SpotInstanceRequest withLaunchSpecification(LaunchSpecification launchSpecification) {
        setLaunchSpecification(launchSpecification);
        return this;
    }
<p>
Additional information for launching instances.
</p>

@param launchSpecification
       Additional information for launching instances.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/SpotInstanceRequest.java