public void setClientToken(String clientToken) {
        this.clientToken = clientToken;
    }
<p>
Used for an idempotency token. A client token is a unique, case-sensitive string of up to 64 ASCII characters.
You should not reuse the same client token for other API requests.
</p>

@param clientToken
       Used for an idempotency token. A client token is a unique, case-sensitive string of up to 64 ASCII
       characters. You should not reuse the same client token for other API requests.
aws-java-sdk-resiliencehub/src/main/java/com/amazonaws/services/resiliencehub/model/CreateAppRequest.java