newShortcuts += addShortcuts(shortcuts.keySet()); prepareGraph.setLevel(polledNode, level); level++;
newShortcuts += addShortcuts(polledNode); prepareGraph.setLevel(polledNode, level); level++;
newShortcuts += addShortcuts(shortcuts.keySet()); prepareGraph.setLevel(polledNode, level); level++;
newShortcuts += addShortcuts(polledNode); prepareGraph.setLevel(polledNode, level); level++;