/guava/android/guava/src/com/google/common/collect/Collections2.java
if ( ( nextPermutation) == null) {   return endOfData( ) ; }
[Delete]
this.comparator = comparator; } @Override @CheckForNull protected List<E> computeNext() { if (nextPermutation == null) { <extra_id_0> } ImmutableList<E> next = ImmutableList.copyOf(nextPermutation); calculateNextPermutation(); return next; } void calculateNextPermutation() {