public TemplateSummary withPolicySchema(Integer policySchema) {
        setPolicySchema(policySchema);
        return this;
    }
<p>
The template schema version. Template schema versions can be v2, v3, or v4. The template configuration options
change based on the template schema version.
</p>

@param policySchema
       The template schema version. Template schema versions can be v2, v3, or v4. The template configuration
       options change based on the template schema version.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-pcaconnectorad/src/main/java/com/amazonaws/services/pcaconnectorad/model/TemplateSummary.java