public void setServiceType(String serviceType) {
        this.serviceType = serviceType;
    }
<p>
Matches the <code>origin</code> that the service uses to identify its type in segments.
</p>

@param serviceType
       Matches the <code>origin</code> that the service uses to identify its type in segments.
aws-java-sdk-xray/src/main/java/com/amazonaws/services/xray/model/SamplingRuleUpdate.java