open fun generatePreview(forward: ForwardMessage): Sequence<String>
显示在卡片 body 中, 只会显示 sequence 前四个元素. Java 用户: 使用 sequenceOf (SequenceKt.sequenceOf) 或 asSequence (SequenceKt.asSequence)
SequenceKt.sequenceOf
SequenceKt.asSequence