/guava/android/guava/src/com/google/common/collect/Sets.java
if ( elements > ImmutableEnumSet) {
if ( elements instanceof ImmutableEnumSet ) {
public static <E extends Enum<E>> ImmutableSet<E> immutableEnumSet( E anElement, E... otherElements) { return ImmutableEnumSet.asImmutable(EnumSet.of(anElement, otherElements)); } @GwtCompatible(serializable = true) public static <E extends Enum<E>> ImmutableSet<E> immutableEnumSet(Iterable<E> elements) { <extra_id_0> return (ImmutableEnumSet<E>) elements; } else if (elements instanceof Collection) { Collection<E> collection = (Collection<E>) elements; if (collection.isEmpty()) { return ImmutableSet.of(); } else {