public void setSignalNodeType(String signalNodeType) {
        this.signalNodeType = signalNodeType;
    }
<p>
The type of node in the signal catalog.
</p>

@param signalNodeType
       The type of node in the signal catalog.
@see SignalNodeType
aws-java-sdk-iotfleetwise/src/main/java/com/amazonaws/services/iotfleetwise/model/ListSignalCatalogNodesRequest.java