DeviceInfo

fun DeviceInfo(    @Json(name = "user_id") userId: String? = null,     @Json(name = "device_id") deviceId: String? = null,     @Json(name = "display_name") displayName: String? = null,     @Json(name = "last_seen_ts") lastSeenTs: Long? = null,     @Json(name = "last_seen_ip") lastSeenIp: String? = null,     @Json(name = "org.matrix.msc3852.last_seen_user_agent") unstableLastSeenUserAgent: String? = null,     @Json(name = "last_seen_user_agent") lastSeenUserAgent: String? = null)