public void setNumNodeProperties(Long numNodeProperties) {
        this.numNodeProperties = numNodeProperties;
    }
<p>
A list of the distinct node properties in the graph, along with the count of nodes where each property is used.
</p>

@param numNodeProperties
       A list of the distinct node properties in the graph, along with the count of nodes where each property is
       used.
aws-java-sdk-neptunedata/src/main/java/com/amazonaws/services/neptunedata/model/PropertygraphSummary.java