package ch.asynk.rustanddust.engine; import java.lang.Comparable; import com.badlogic.gdx.utils.Disposable; import com.badlogic.gdx.utils.Pool; import com.badlogic.gdx.utils.Json; public abstract class Order implements Disposable, Pool.Poolable, Json.Serializable, Comparable { public interface OrderType { } public abstract boolean isA(OrderType type); }