question: protected static ActionResultInfo performAction ( GenericValue productPromoAction , ShoppingCart cart , Delegator delegator , LocalDispatcher dispatcher , Timestamp nowTimestamp ) throws GenericEntityException , CartItemModifyException { ActionResultInfo actionResultInfo = new ActionResultInfo ( ) ; performAction ( actionResultInfo , productPromoAction , cart , delegator , dispatcher , nowTimestamp ) ; return actionResultInfo ; }
target:  returns true if the cart was changed and rules need to be re-evaluted 