# Save `model` in the base pointed by `client`.
	fun save(model: Model) do
		var nodes = collect_model_nodes(model)
		toolcontext.info("Save {nodes.length} nodes...", 1)
		push_all(nodes)
		var edges = collect_model_edges(model)
		toolcontext.info("Save {edges.length} edges...", 1)
		push_all(edges)
	end