import Foundation public struct ChatListHolesEntry: Hashable { public let groupId: PeerGroupId public let hole: ChatListHole } final class MutableChatListHolesView { fileprivate var entries = Set() func update(holes: Set) -> Bool { if self.entries != holes { self.entries = holes return true } else { return false } } } public final class ChatListHolesView { public let entries: Set init(_ mutableView: MutableChatListHolesView) { self.entries = mutableView.entries } }