private fun load_in_edges: List[NeoEdge] do
		var edges = new List[NeoEdge]
		var res = neo.get(url.to_s / "relationships/in").as(JsonArray)
		for obj in res do
			edges.add(new NeoEdge.from_json(neo, obj.as(JsonObject)))
		end
		internal_in_edges = edges
		return edges
	end