public CreateFlywheelRequest withClientRequestToken(String clientRequestToken) {
        setClientRequestToken(clientRequestToken);
        return this;
    }
<p>
A unique identifier for the request. If you don't set the client request token, Amazon Comprehend generates one.
</p>

@param clientRequestToken
       A unique identifier for the request. If you don't set the client request token, Amazon Comprehend
       generates one.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-comprehend/src/main/java/com/amazonaws/services/comprehend/model/CreateFlywheelRequest.java