<a href="../Schema.html#ensureEdgeLabelExist(java.lang.String,org.umlg.sqlg.structure.topology.VertexLabel,org.umlg.sqlg.structure.topology.VertexLabel,java.util.Map,org.apache.commons.collections4.set.ListOrderedSet,int,java.lang.String,org.umlg.sqlg.structure.topology.AbstractLabel,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 