/* This file is part of Telegram Desktop, the official desktop application for the Telegram messaging service. For license and copyright information please follow this link: https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL */ #pragma once namespace Overview { namespace Layout { class ItemBase; class Delegate { public: virtual void registerHeavyItem(not_null item) = 0; virtual void unregisterHeavyItem(not_null item) = 0; }; } // namespace Layout } // namespace Overview