Proximity Timeouts
data class ProximityTimeouts(val connect: Duration = 60.seconds, val request: Duration = 30.seconds, val idle: Duration = 300.seconds)(source)
How long an in-person session waits (ISO/IEC 18013-5 recommends at least 30 seconds from engagement to the request, §8.2.3, and 300 seconds of inactivity before ending a session, §9.1.1.4).