toForwardMessage

fun Iterable<MessageEvent>.toForwardMessage(displayStrategy: ForwardMessage.DisplayStrategy = DisplayStrategy): ForwardMessage
fun Message.toForwardMessage(    sender: User,     time: Int = currentTimeSeconds().toInt(),     displayStrategy: ForwardMessage.DisplayStrategy = DisplayStrategy): ForwardMessage
fun Message.toForwardMessage(    senderId: Long,     senderName: String,     time: Int = currentTimeSeconds().toInt(),     displayStrategy: ForwardMessage.DisplayStrategy = DisplayStrategy): ForwardMessage

转换为 ForwardMessage