docs: private void setMasterTempo(double newTempo) {
          double oldTempo = Double.longBitsToDouble(masterTempo.getAndSet(Double.doubleToLongBits(newTempo)));
          if ((getTempoMaster() != null) && (Math.abs(newTempo - oldTempo) > getTempoEpsilon())) {
              // This is a change in tempo, so report it to any registered listeners, and update our metronome if we are synced.
              if (isSynced()) {
                  metronome.setTempo(newTempo);
                  notifyBeatSenderOfChange();
              }
              deliverTempoChangedAnnouncement(newTempo);
          }
      }