public SamplingStatisticsDocument withClientID(String clientID) {
        setClientID(clientID);
        return this;
    }
<p>
A unique identifier for the service in hexadecimal.
</p>

@param clientID
       A unique identifier for the service in hexadecimal.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-xray/src/main/java/com/amazonaws/services/xray/model/SamplingStatisticsDocument.java