private void AddIDToName(IExportContainer container, TextureImporter importer)
        {
            if (importer.SpriteMode == SpriteImportMode.Multiple)
            {
                if (AssetImporter.HasInternalIDToNameTable(container.ExportVersion))
                {
                    foreach (Sprite sprite in m_sprites.Keys)
                    {
#warning TODO: TEMP:
                        long exportID            = GetExportID(sprite);
                        ref SpriteMetaData smeta = ref importer.SpriteSheet.GetSpriteMetaData(sprite.Name);
                        smeta.InternalID = exportID;
                        Tuple <ClassIDType, long> key = new Tuple <ClassIDType, long>(ClassIDType.Sprite, exportID);
                        importer.InternalIDToNameTable.Add(key, sprite.Name);
                    }
                }
                else
                {
                    foreach (Sprite sprite in m_sprites.Keys)
                    {
                        long exportID = GetExportID(sprite);
                        importer.FileIDToRecycleName.Add(exportID, sprite.Name);
                    }
                }
            }