@Override
        public Traversal<Vertex, Object> get_g_V_branchXlabel_eq_person__a_bX_optionXa__ageX_optionXb__langX_optionXb__nameX() {
            return g.V().branch(v -> v.get().label().equals("person") ? "a" : "b")
                    .option("a", values("age"))
                    .option("b", values("lang"))
                    .option("b", values("name"));
        }
Tests that cover lambda steps that are used in embedded cases.
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/LambdaStepTest.java