code: @Override
  	public com.liferay.commerce.product.model.CPOptionValue fetchCPOptionValueByReferenceCode(
  		long companyId, String externalReferenceCode) {
  		return _cpOptionValueLocalService.fetchCPOptionValueByReferenceCode(companyId,
  			externalReferenceCode);
  	}
docs: Returns the cp option value with the matching external reference code and company.
  
  @param companyId the primary key of the company
  @param externalReferenceCode the cp option value's external reference code
  @return the matching cp option value, or <code>null</code> if a matching cp option value could not be found