sp;        bVertexLabel.ensureEdgeLabelExist(&quot;ab&quot;, cVertexLabel,</b>
<b class="fc">&nbsp;                EdgeDefinition.of(</b>
<b class="fc">&nbsp;                        Multiplicity.of(3, 3),</b>
<b class="fc">&nbsp;                        Multiplicity.of(4, 4)));</b>
<b class="fc">&nbsp;        this.sqlgGraph.tx().commit();</b>
&nbsp;
<b class="fc">&nbsp;        this.sqlgGraph.getTopology().lock();</b>
<b class="fc">&nbsp;        Vertex a = this.sqlgGraph.addVertex(T.label, &quot;A&quot;);</b>