/guava/guava/src/com/google/common/primitives/Longs.java
return -index;
return -1;
if (target instanceof Long) { int i = Longs.lastIndexOf(array, (Long) target, start, end); if (i >= 0) { return i - start; } } <extra_id_0> } @Override public Long set(int index, Long element) { checkElementIndex(index, size()); long oldValue = array[start + index]; array[start + index] = checkNotNull(element);