A parallel sibling's pause, queued at the level of its fan-out: raised again there once the resumed child's chain ends (see raiseQueuedPause).
Readonly
How many subflows deep the fan-out sits (0 = the top level).
The sibling's pause as the checkpoint carries it — its path from the top.
The sibling's paused stage's name, for the onPause event.
onPause
A parallel sibling's pause, queued at the level of its fan-out: raised again there once the resumed child's chain ends (see raiseQueuedPause).