public void setPolicyRuntime(String policyRuntime) {
        this.policyRuntime = policyRuntime;
    }
<p>
The runtime system for your Config Custom Policy rule. Guard is a policy-as-code language that allows you to
write policies that are enforced by Config Custom Policy rules. For more information about Guard, see the <a
href="https://github.com/aws-cloudformation/cloudformation-guard">Guard GitHub Repository</a>.
</p>

@param policyRuntime
       The runtime system for your Config Custom Policy rule. Guard is a policy-as-code language that allows you
       to write policies that are enforced by Config Custom Policy rules. For more information about Guard, see
       the <a href="https://github.com/aws-cloudformation/cloudformation-guard">Guard GitHub Repository</a>.
aws-java-sdk-config/src/main/java/com/amazonaws/services/config/model/CustomPolicyDetails.java