code: public void setShutdownValue(Number value, GpioPinAnalogOutput ... pin){
          for(GpioPinAnalogOutput p : pin) {
              setShutdownValue(value, p.getPin());
          }
      }
docs: Set the shutdown/terminate value that the DAC should apply to the given GPIO pin
  when the class is destroyed/terminated.
  
  @param value the shutdown value to apply to the given pin(s)
  @param pin analog output pin (vararg: one or more pins)