public GraphTraversal<Edge, Edge> addE(final GValue<String> label) {
        final GraphTraversalSource clone = this.clone();
        clone.gremlinLang.addStep(GraphTraversal.Symbols.addE, label);
        final GraphTraversal.Admin<Edge, Edge> traversal = new DefaultGraphTraversal<>(clone);
        return traversal.addStep(new AddEdgeStartStep(traversal, label));
    }
Spawns a {@link GraphTraversal} by adding an edge with the specified label.

@since 4.0.0
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/dsl/graph/GraphTraversalSource.java