public CreateIndexRequest withClientToken(String clientToken) {
        setClientToken(clientToken);
        return this;
    }
<p>
A token that you provide to identify the request to create an index. Multiple calls to the
<code>CreateIndex</code> API with the same client token will create only one index.
</p>

@param clientToken
       A token that you provide to identify the request to create an index. Multiple calls to the
       <code>CreateIndex</code> API with the same client token will create only one index.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-qbusiness/src/main/java/com/amazonaws/services/qbusiness/model/CreateIndexRequest.java