Thread
constructor(cid: String, channelInfo: ChannelInfo, parentMessageId: String, parentMessage: Message, createdByUserId: String, createdBy: User, replyCount: Int, participantCount: Int, threadParticipants: List<User>, lastMessageAt: Date, createdAt: Date, updatedAt: Date?, title: String, latestReplies: List<Message>, read: List<ChannelUserRead>)