Initial reply stats implementation

submodules/SyncCore/Sources/ReplyThreadMessageAttribute.swift

@@ -0,0 +1,18 @@
+import Foundation
+import Postbox
+
+public class ReplyThreadMessageAttribute: MessageAttribute {
+    public let count: Int32
+    
+    public init(count: Int32) {
+        self.count = count
+    }
+    
+    required public init(decoder: PostboxDecoder) {
+        self.count = decoder.decodeInt32ForKey("c", orElse: 0)
+    }
+    
+    public func encode(_ encoder: PostboxEncoder) {
+        encoder.encodeInt32(self.count, forKey: "c")
+    }
+}