AlignedTickLossless returns an aligned ticker that waits for slow receivers, and backfills later as necessary to publish any pending ticks, at possibly a much more aggressive schedule.

AlignedTickLossy returns an aligned ticker that may drop ticks (if the consumer is slow or the clock jumps forward).

NewRandomTicker returns a new RandomTicker containing a channel that will send the time with a period specified by the duration and jitter arguments.

RandomTicker ticks at dur +- jitter.