public Instance withEcsContainerInstanceArn(String ecsContainerInstanceArn) {
        setEcsContainerInstanceArn(ecsContainerInstanceArn);
        return this;
    }
<p>
For container instances, the instance's ARN.
</p>

@param ecsContainerInstanceArn
       For container instances, the instance'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