/guava/android/guava/src/com/google/common/collect/Sets.java
axesBuilder.add ( copy ) ;
ImmutableList.Builder<ImmutableSet<E>> axesBuilder = new ImmutableList.Builder<>(sets.size()); for (Set<? extends E> set : sets) { ImmutableSet<E> copy = ImmutableSet.copyOf(set); if (copy.isEmpty()) { return ImmutableSet.of(); } <extra_id_0> } final ImmutableList<ImmutableSet<E>> axes = axesBuilder.build(); ImmutableList<List<E>> listAxes = new ImmutableList<List<E>>() { @Override public int size() {