UnityEditor.PackageExportTreeView.ComputeEnabledStateForFolders C# (CSharp) Method

        private void ComputeEnabledStateForFolders()
        {
            PackageExportTreeViewItem root = this.m_TreeView.data.root as PackageExportTreeViewItem;
            HashSet<PackageExportTreeViewItem> done = new HashSet<PackageExportTreeViewItem> {
                root
            };
            this.RecursiveComputeEnabledStateForFolders(root, done);
        }