public void setTemplateURL(String templateURL) {
        this.templateURL = templateURL;
    }
<p>
Location of file containing the template body. The URL must point to a template (max size: 460,800 bytes) that's
located in an Amazon S3 bucket or a Systems Manager document. For more information about templates, see <a
href="https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/template-anatomy.html">Template anatomy</a>
in the <i>CloudFormation User Guide</i>. The location for an Amazon S3 bucket must start with
<code>https://</code>.
</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 templateURL
       Location of file containing the template body. The URL must point to a template (max size: 460,800 bytes)
       that's located in an Amazon S3 bucket or a Systems Manager document. For more information about templates,
       see <a
       href="https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/template-anatomy.html">Template
       anatomy</a> in the <i>CloudFormation User Guide</i>. The location for an Amazon S3 bucket must start with
       <code>https://</code>.</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