public void setServiceType(String serviceType) {
        this.serviceType = serviceType;
    }
<p>
List the tags for the Amazon Web Services service for which Performance Insights returns metrics. Valid value is
<code>RDS</code>.
</p>

@param serviceType
       List the tags for the Amazon Web Services service for which Performance Insights returns metrics. Valid
       value is <code>RDS</code>.
@see ServiceType
aws-java-sdk-pi/src/main/java/com/amazonaws/services/pi/model/UntagResourceRequest.java