            final AtomicBoolean calledEdge1 = new AtomicBoolean(false);</b>
<b class="fc">&nbsp;            final AtomicBoolean calledEdge2 = new AtomicBoolean(false);</b>
&nbsp;
<b class="fc">&nbsp;            final GraphReader reader = readerMaker.apply(graph);</b>
<b class="fc">&nbsp;            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {</b>
<b class="fc">&nbsp;                reader.readVertex(bais, attachable -&gt; {</b>
<b class="fc">&nbsp;                    