public CreateClusterRequest withClientToken(String clientToken) {
        setClientToken(clientToken);
        return this;
    }
<p>
A unique, case-sensitive string of up to 64 ASCII characters. To make an idempotent API request with an action,
specify a client token in the request.
</p>

@param clientToken
       A unique, case-sensitive string of up to 64 ASCII characters. To make an idempotent API request with an
       action, specify a client token in the request.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-route53recoverycontrolconfig/src/main/java/com/amazonaws/services/route53recoverycontrolconfig/model/CreateClusterRequest.java