receivedClock property
lsl_local_clock() as the pull that returned this sample came back:
when the sample became available to this process, not when a listener
got round to it.
That is its arrival only for a sample the isolate was waiting for. One
that was already in the inlet's buffer has the time it was taken out
instead, which is later: whatever arrived before the stream was
listened to, and with maxBacklog whatever arrived while the isolate
was held back (a queue at its limit, a paused subscription).
Implementation
final double receivedClock;