public String getClientToken() {
        return this.clientToken;
    }
<p>
A unique, case-sensitive identifier that you provide to ensure the idempotency of the request. If you retry a
request that completed successfully using the same client token and parameters, the retry succeeds without
performing any actions. If the parameters aren't identical, the retry fails.
</p>

@return A unique, case-sensitive identifier that you provide to ensure the idempotency of the request. If you
        retry a request that completed successfully using the same client token and parameters, the retry
        succeeds without performing any actions. If the parameters aren't identical, the retry fails.
aws-java-sdk-vpclattice/src/main/java/com/amazonaws/services/vpclattice/model/CreateListenerRequest.java