private void addChildModules(Module module, ArrayList<AbstractTreeNode<?>> result) {
    var grouper = ModuleGrouper.instanceFor(getProject());
    var moduleGroupPath = grouper.getModuleAsGroupPath(module);
    if (moduleGroupPath != null) {
      var moduleGroup = new ModuleGroup(moduleGroupPath);
      var childModules = moduleGroup.modulesInGroup(getProject());
      for (Module childModule : childModules) {
        result.add(new PackageViewModuleNode(getProject(), childModule, getSettings()));
      }
    }
  }
private void addChildModules(Module module, ArrayList<AbstractTreeNode<?>> result)