public void setStackSetName(String stackSetName) {
        this.stackSetName = stackSetName;
    }
<p>
The name or unique ID of the stack set from which the stack was created.
</p>
<p>
Conditional: You must specify only one of the following parameters: <code>StackName</code>,
<code>StackSetName</code>, <code>TemplateBody</code>, or <code>TemplateURL</code>.
</p>

@param stackSetName
       The name or unique ID of the stack set from which the stack was created.</p>
       <p>
       Conditional: You must specify only one of the following parameters: <code>StackName</code>,
       <code>StackSetName</code>, <code>TemplateBody</code>, or <code>TemplateURL</code>.
aws-java-sdk-cloudformation/src/main/java/com/amazonaws/services/cloudformation/model/GetTemplateSummaryRequest.java