econd even-row-color"><span class="type-name-label">VertexLabel.</span><code><a href="../VertexLabel.html#ensureEdgeLabelExist(java.lang.String,org.umlg.sqlg.structure.topology.VertexLabel,org.umlg.sqlg.structure.topology.EdgeDefinition)" class="member-name-link">ensureEdgeLabelExist</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;edgeLabelName,
 <a href="../VertexLabel.html" t