/**
  * Exclude object from result
  *
  * @param   ChildWishlistProduct $wishlistProduct Object to remove from the list of results
  *
  * @return $this|ChildWishlistProductQuery The current query, for fluid interface
  */
 public function prune($wishlistProduct = null)
 {
     if ($wishlistProduct) {
         $this->addUsingAlias(WishlistProductTableMap::COL_WISHLIST_PRODUCT_ID, $wishlistProduct->getWishlistProductId(), Criteria::NOT_EQUAL);
     }
     return $this;
 }