public interface Sprinkler {

	public void init();
	public void setZone(int _zone, boolean _onOff, int _onDurationSeconds);
	public List<ZoneState> getZoneStates();
	public int getNumberOfZones();
	public boolean doesHaveZoneTimers();

	capability Initialize {
		description = "Initialize object";
		method = "init()";
	}

	capability Zone {
		description = "Manage zones";
		method = "setZone(int _zone, boolean _onOff, int _onDurationSeconds)";
		method = "getZoneStates()";
		method = "getNumberOfZones()";
		method = "doesHaveZoneTimers()";
	}

	struct ZoneState {
		int zoneNumber;
		boolean onOffState;
		int duration;
	}
}