@Override
public synchronized void removeListener(GpioPinListener listener, GpioPinInput... pin) {
if (pin == null || pin.length == 0) {
throw new IllegalArgumentException("Missing pin argument.");
}
for (GpioPinInput p : pin) {
// ensure the requested pin has been provisioned
if (!pins.contains(p)) {
throw new GpioPinNotProvisionedException(p.getPin());
}
p.removeListener(listener);
}
}
