public PropertygraphSummary withNodeProperties(java.util.Map<String, Long>... nodeProperties) {
        if (this.nodeProperties == null) {
            setNodeProperties(new java.util.ArrayList<java.util.Map<String, Long>>(nodeProperties.length));
        }
        for (java.util.Map<String, Long> ele : nodeProperties) {
            this.nodeProperties.add(ele);
        }
        return this;
    }
<p>
The number of distinct node properties in the graph.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setNodeProperties(java.util.Collection)} or {@link #withNodeProperties(java.util.Collection)} if you want
to override the existing values.
</p>

@param nodeProperties
       The number of distinct node properties in the graph.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-neptunedata/src/main/java/com/amazonaws/services/neptunedata/model/PropertygraphSummary.java