public StackSummary withStackId(String stackId) {
        setStackId(stackId);
        return this;
    }
<p>
Unique stack identifier.
</p>

@param stackId
       Unique stack identifier.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cloudformation/src/main/java/com/amazonaws/services/cloudformation/model/StackSummary.java