code: @Override
  	public com.liferay.commerce.product.model.CPDefinitionOptionRel fetchCPDefinitionOptionRelByUuidAndGroupId(
  		String uuid, long groupId) {
  		return _cpDefinitionOptionRelLocalService.fetchCPDefinitionOptionRelByUuidAndGroupId(uuid,
  			groupId);
  	}
docs: Returns the cp definition option rel matching the UUID and group.
  
  @param uuid the cp definition option rel's UUID
  @param groupId the primary key of the group
  @return the matching cp definition option rel, or <code>null</code> if a matching cp definition option rel could not be found