import java.util.*; class Specificss { { Set<String> JAR_EXTENSIONS = newTroveSet(new ArrayList<String>(), "jar", "zip", "swc", "ane"); } public static <T> HashSet<T> newTroveSet(T... elements) { return newTroveSet(Arrays.asList(elements)); } public static <T> HashSet<T> newTroveSet(List<T> strategy, T... elements) { return new HashSet<T>(); } }