for (Set<Representation> object : clipboard.getContents()) {
TransferableGraph1 tg = ClipboardUtils.accept(graph, object, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
if (tg != null)
for (Set<Representation> object : clipboard.getContents()) {
TransferableGraph1 tg = ClipboardUtils.accept(graph, object, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
if (tg != null)