code: public static CPTaxCategory[] findByGroupId_PrevAndNext(
  		long CPTaxCategoryId, long groupId,
  		OrderByComparator<CPTaxCategory> orderByComparator)
  		throws com.liferay.commerce.product.exception.NoSuchCPTaxCategoryException {
  		return getPersistence()
  				   .findByGroupId_PrevAndNext(CPTaxCategoryId, groupId,
  			orderByComparator);
  	}
docs: Returns the cp tax categories before and after the current cp tax category in the ordered set where groupId = &#63;.
  
  @param CPTaxCategoryId the primary key of the current cp tax category
  @param groupId the group ID
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the previous, current, and next cp tax category
  @throws NoSuchCPTaxCategoryException if a cp tax category with the primary key could not be found