public CreateAlertManagerDefinitionRequest withClientToken(String clientToken) {
        setClientToken(clientToken);
        return this;
    }
<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.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-prometheus/src/main/java/com/amazonaws/services/prometheus/model/CreateAlertManagerDefinitionRequest.java