System
constructor(id: String, content: MessageEntityContent.System, conversationId: QualifiedIDEntity, date: Instant, senderUserId: QualifiedIDEntity, status: MessageEntity.Status, expireAfterMs: Long?, selfDeletionEndDate: Instant?, readCount: Long, visibility: MessageEntity.Visibility = Visibility.VISIBLE, isSelfMessage: Boolean = false, sender: UserDetailsEntity? = null, senderName: String?)