VertexLabel = publicSchema.ensureVertexLabelExist(&quot;B&quot;);</b>
<b class="fc">&nbsp;        VertexLabel cVertexLabel = publicSchema.ensureVertexLabelExist(&quot;C&quot;);</b>
<b class="fc">&nbsp;        EdgeLabel ab = aVertexLabel.ensureEdgeLabelExist(&quot;ab&quot;, bVertexLabel,</b>
<b class="fc">&nbsp;                EdgeDefinition.of(</b>
<b class="fc">&nbsp;                        Multiplicity.of(1, 1),</b>
<b class="fc">&nbsp;                        Multiplicity.of(2, 2)));</b>
<b class="fc">&nb