avocado> v1 = g.addVertex();
Vertex(<graph>, "153246:8712055")

avocado> v2 = g.addVertex();
Vertex(<graph>, "153246:8777591")

avocado> v1.addOutEdge(v2, null, "knows", { data : 1 });
Edge(<graph>, "3999653:8974199")

avocado> v1.getOutEdges();
[ Edge(<graph>, "3999653:8974199") ]