public void setClientToken(String clientToken) {
        this.clientToken = clientToken;
    }
<p>
A unique identifier that you can provide to ensure the idempotency of the request. Case-sensitive.
</p>

@param clientToken
       A unique identifier that you can provide to ensure the idempotency of the request. Case-sensitive.
aws-java-sdk-prometheus/src/main/java/com/amazonaws/services/prometheus/model/DeleteRuleGroupsNamespaceRequest.java