public Instance withEcsClusterArn(String ecsClusterArn) {
        setEcsClusterArn(ecsClusterArn);
        return this;
    }
<p>
For container instances, the Amazon ECS cluster's ARN.
</p>

@param ecsClusterArn
       For container instances, the Amazon ECS cluster's ARN.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/Instance.java