code: public static CommercePaymentMethodGroupRel findByPrimaryKey(
  		long commercePaymentMethodGroupRelId)
  		throws com.liferay.commerce.payment.exception.NoSuchPaymentMethodGroupRelException {
  		return getPersistence().findByPrimaryKey(commercePaymentMethodGroupRelId);
  	}
docs: Returns the commerce payment method group rel with the primary key or throws a {@link NoSuchPaymentMethodGroupRelException} if it could not be found.
  
  @param commercePaymentMethodGroupRelId the primary key of the commerce payment method group rel
  @return the commerce payment method group rel
  @throws NoSuchPaymentMethodGroupRelException if a commerce payment method group rel with the primary key could not be found