/guava/android/guava/src/com/google/common/collect/ImmutableList.java
return ( index >= 0 ) ? reverseIndex ( index ) : -1;
public boolean contains(@CheckForNull Object object) { return forwardList.contains(object); } @Override public int indexOf(@CheckForNull Object object) { int index = forwardList.lastIndexOf(object); <extra_id_0> } @Override public int lastIndexOf(@CheckForNull Object object) { int index = forwardList.indexOf(object); return (index >= 0) ? reverseIndex(index) : -1; }