>&nbsp;        Optional&lt;PropertyColumn&gt; uuidPropertyColumnOptional = vertexLabel.getProperty(&quot;uuid&quot;);</b>
<b class="fc">&nbsp;        Assert.assertTrue(uuidPropertyColumnOptional.isPresent());</b>
<b class="fc">&nbsp;        Assert.assertEquals(PropertyType.UUID, uuidPropertyColumnOptional.get().getPropertyType());</b>
&nbsp;
<b class="fc">&nbsp;        EdgeLabel edgeLabel = this.sqlgGraph.getTopology().getPublicSchema().getEdgeLabel(&quot;knows&quot;).orElseThrow();</b>
<b class="fc">&nbsp;