Polls once for new events since the last poll (the last 15 seconds, on
the very first call -- matching the underlying API's own behavior),
returning only genuinely new events. Never returns the same event
twice, even across repeated calls -- see createLogTailStream().
Polls once for new events since the last poll (the last 15 seconds, on the very first call -- matching the underlying API's own behavior), returning only genuinely new events. Never returns the same event twice, even across repeated calls -- see
createLogTailStream().