Set; private final Predef$$less$colon$less singleton_$less$colon$less; public static void <clinit>(); public final collection.immutable.Set$ Set(); public static void assert(boolean); public static void require(boolean); public static Object any2ArrowAssoc(Object); public static void println(Object); public static collection.mutable.ArrayOps genericArrayOps(Object); public static collection.mutable.ArrayOps refArrayOps(Object[]); public static String augmentString(String); public static Object ...