import Foundation public struct ChatListHole: Hashable, CustomStringConvertible { public let index: MessageIndex public init(index: MessageIndex) { self.index = index } public var description: String { return "ChatListHole(\(self.index.id), \(self.index.timestamp))" } public static func <(lhs: ChatListHole, rhs: ChatListHole) -> Bool { return lhs.index < rhs.index } }