Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/TelegramUI/Components/Chat/ChatMessageNotificationItem/Sources/NotificationItem.swift

@@ -0,0 +1,21 @@
+import Foundation
+import UIKit
+import AsyncDisplayKit
+import Display
+
+public protocol NotificationItem {
+    var groupingKey: AnyHashable? { get }
+    
+    func node(compact: Bool) -> NotificationItemNode
+    func tapped(_ take: @escaping () -> (ASDisplayNode?, () -> Void))
+    func canBeExpanded() -> Bool
+    func expand(_ take: @escaping () -> (ASDisplayNode?, () -> Void))
+}
+
+public class NotificationItemNode: ASDisplayNode {
+    public func updateLayout(width: CGFloat, transition: ContainedViewLayoutTransition) -> CGFloat {
+        return 32.0
+    }
+    
+    public var acceptsTouches: Bool = false
+}