lgGraph empty) {</b>
<b class="nc">&nbsp;        this.modern = modern;</b>
<b class="nc">&nbsp;        this.classic = classic;</b>
<b class="nc">&nbsp;        this.sink = sink;</b>
<b class="nc">&nbsp;        this.grateful = grateful;</b>
<b class="nc">&nbsp;        this.empty = empty;</b>
&nbsp;
&nbsp;    }
&nbsp;
&nbsp;    @Override
&nbsp;    public GraphTraversalSource getGraphTraversalSource(final GraphData graphData) {
<b class="nc">&nbsp;        if (null == graphData)</b>
<b class="nc">&nbsp;         