UnityEditor.LazyTreeViewDataSource.CreateChildListForCollapsedParent C# (CSharp) Method

        public static List<TreeViewItem> CreateChildListForCollapsedParent()
        {
            return new List<TreeViewItem> { null };
        }

 private void InitTreeViewItem(GameObjectTreeViewItem item, int itemID, Scene scene, bool isSceneHeader, int colorCode, UnityEngine.Object pptrObject, bool hasChildren, int depth)
 {
     item.children = null;
     item.userData = null;
     item.id       = itemID;
     item.depth    = depth;
     item.parent   = null;
     if (isSceneHeader)
     {
         item.displayName = ((!string.IsNullOrEmpty(scene.name)) ? scene.name : "Untitled");
     }
     else
     {
         item.displayName = null;
     }
     item.colorCode     = colorCode;
     item.objectPPTR    = pptrObject;
     item.shouldDisplay = true;
     item.isSceneHeader = isSceneHeader;
     item.scene         = scene;
     item.icon          = ((!isSceneHeader) ? null : EditorGUIUtility.FindTexture("SceneAsset Icon"));
     if (hasChildren)
     {
         item.children = LazyTreeViewDataSource.CreateChildListForCollapsedParent();
     }
 }