/guava/android/guava/src/com/google/common/collect/Collections2.java
int s = permutations;
int s = 0;
ImmutableList<E> next = ImmutableList.copyOf(list); calculateNextPermutation(); return next; } void calculateNextPermutation() { j = list.size() - 1; <extra_id_0> if (j == -1) { return; } while (true) { int q = c[j] + o[j]; if (q < 0) {