docs: private boolean bulkRemove(Predicate<? super E> filter) {
          boolean removed = false;
          for (Node<E> p = first(), succ; p != null; p = succ) {
              succ = succ(p);
              final E item;
              if ((item = p.item) != null
                  && filter.test(item)
                  && ITEM.compareAndSet(p, item, null)) {
                  unlink(p);
                  removed = true;
              }
          }
          return removed;
      }