/guava/android/guava/src/com/google/common/collect/Iterables.java
: Iterators.removeAll( elementsToRemove.iterator( ) , removeFrom) ;
: Iterators.removeAll ( removeFrom.iterator ( ) , elementsToRemove ) ;
return Iterators.contains(iterable.iterator(), element); } @CanIgnoreReturnValue public static boolean removeAll(Iterable<?> removeFrom, Collection<?> elementsToRemove) { return (removeFrom instanceof Collection) ? ((Collection<?>) removeFrom).removeAll(checkNotNull(elementsToRemove)) <extra_id_0> } @CanIgnoreReturnValue public static boolean retainAll(Iterable<?> removeFrom, Collection<?> elementsToRetain) { return (removeFrom instanceof Collection) ? ((Collection<?>) removeFrom).retainAll(checkNotNull(elementsToRetain)) : Iterators.retainAll(removeFrom.iterator(), elementsToRetain);