HashTree tree = SaveService.loadTree(reader);
@SuppressWarnings("deprecation") // Deliberate use of deprecated ctor
JMeterTreeModel treeModel = new JMeterTreeModel(new Object());// Create non-GUI version to avoid headless problems
JMeterTreeNode root = (JMeterTreeNode) treeModel.getRoot();
treeModel.addSubTree(tree, root);
// Hack to resolve ModuleControllers in non GUI mode
SearchByClass<ReplaceableController> replaceableControllers = new SearchByClass<ReplaceableController>(ReplaceableController.class);
tree.traverse(replaceableControllers);
Collection<ReplaceableController> replaceableControllersRes = replaceableControllers.getSearchResults();