Here are the classes, structs, unions and interfaces with brief descriptions:

ABGroupPM
AccessProgram
AccessProgramParser
AccessProgramReceipt
adminlist
adminlogin
AgeApproveAdminLogin
AjaxCabReceipt
AjaxCallback
AjaxDecision
AllItemProductSearch
AllItemProductUserSearch
AllItemProdUserSearch
AllItemSearch
AlwaysFoodstampTotal
AlwaysFsEligibleFooter
AlwaysFsTotalFooter
AnnualMeeting
AnnualMeetingParser
AnyTenderReportRequest
ArOverpayAction
ArWarnDept
Authenticate
AuthorizeDotNet
AutoCoupon
AutoCouponsModel
AutoLoader
AutoReprintDept
AutoTare
BalanceCheck
BarcodeTransIdentifierMessage
BaseLibsTest
BasicCCModule
BasicModel
BasicPage
BasicPM
bigComment
BigGroupPM
Bitmap
BottleReturnDept
boxMsg2
ByPhoneMemberLookup
cablist
CapturedSignatureModel
CaseDiscMsgs
CaseDiscount
CasePriceDiscount
CashDrop
CashDropNotifier
CashDropParser
CashDropPreParser
CashDropWarningPage
CCMenu
CCReceiptMessage
CcReceiptViewModel
CCredBalanceMessage
CCredMembershipsModel
CCredProgramDepartments
CCredProgramsModel
CCredSigSlip
CCredUsedBalances
CheckKey
checklist
CheckTender
Clear
ClubCard
Comment
CoopCred
CoopCredCheck
CoopCredCheckQ
CoopCredLib
CoopCredTender
CoreLocal
CoreState
CouponAppliedModel
CouponCode
CouponCodesModel
CreditCardTender
CustdataModel
CustomerReceiptMessage
CustomReceiptModel
CustPreferencesModel
CustReceiptMessageModel
DatabarCoupon
Database
DateRestrictModel
DDDAdminLogin
DDDReason
DefaultProductSearch
DefaultReceiptDataFetch
DefaultReceiptFilter
DefaultReceiptFormat
DefaultReceiptSavings
DefaultReceiptSort
DefaultReceiptTag
DefaultTender
DefaultTenderReport
DepartmentsModel
DeptKey
deptlist
DisableCouponModel
DisabledTender
DiscountApplied
DiscountFirstReceiptSort
DiscountModule
DiscountType
DisplayLib
DisplayTest
DonationKey
DoubleSubtotalReceiptSort
DrawerOwnerModel
drawerPage
DTransactionsModel
EbtReceiptMessage
ECheckPlugin
ECheckTender
ECheckVerifyPage
EfsnetRequestModel
EfsnetRequestModModel
EfsnetResponseModel
EfsnetTokensModel
EmailPrintHandler
EmployeesModel
EndOfShift
EquityEndorseDept
EquitySoldReceiptMessage
EquityWarnDept
ESCPOSPrintHandler
EveryoneSale
EveryoneSales
FirstData
FoodstampTender
FooterBox
FooterBoxesTest
FormLib
fsTotalConfirm
GCBalanceReceiptMessage
GCReceiptMessage
GenericSigSlipMessage
giftcardlist
GiftCardTender
GiftCertificateTender
GlobalValuesModel
GoEMerchant
GroupPM
GroupSavingsSort
Harvest_Kicker
HarvestNewTenderReport
HostedCheckout
HostedFinish
HostedIframe
HostedRedirect
HouseCoupon
HouseCouponItemsModel
HouseCouponList
HouseCouponsModel
HouseVirtualCouponsModel
InactiveMemLookup
InactiveMemSearch
InactiveMemTotalAction
InOrderReceiptFilter
InOrderReceiptSort
InputPage
InstallTest
InstallUtilities
ItemFormat
ItemNotFound
ItemNumberOnlyReWrite
ItemPD
ItemReceiptFormat
JsonLib
Kicker
KickersTest
LibraryClass
LineItemDiscount
LineItemDiscountAdminLogin
LocalStorage
LocalStorageTest
LocalTempTransModel
LocalTransArchiveModel
LocalTransModel
LocalTransTodayModel
LocalTransTodayViewModel
Lock
login2
login3
LookupByCard
lttLib
MagicPLU
ManagerApproveTender
MasterSuperDeptsModel
MCC_Kicker
MemberBarcode
MemberCard
MemberCardsModel
MemberCardsViewModel
MemberID
MemberLookup
MemberSale
MemcacheStorage
MemChargeBalanceModel
MemDiscountAddModel
MemDiscountRemoveModel
memlist
memlist_cards
MemSales
MemStatusAdminLogin
MemStatusToggle
MemtypeModel
MercuryE2E
MercuryGift
mgrlogin
MiscLib
MiscLogging
MiscLoggingParser
MoreThanQttyPM
MultiTotal
NeedBasedDiscount
NeedDiscountFooter
NeedDiscountModule
NeedDiscountParser
NewMagellan
NM_Ingenico
NoChangeTender
NoDefaultAmountTender
NoDiscOnSalePM
NoDiscOnSalesPM
NoInputPage
NoKick
NoReceiptPreParse
NormalPricing
Notifier
nslogin
OntarioMealTaxRebateAction
OtherFormat
OtherReceiptFormat
PagesTest
PaidOutComment
PaidOutDept
ParametersModel
Parser
ParsersTest
PartialReceipt
PatronagePts
paycardboxMsgAuth
paycardboxMsgBalance
paycardboxMsgGift
paycardboxMsgVoid
paycardEntered
PaycardLib	Defines constants and functions for card processing
PaycardProcessPage
Paycards
PaycardSteering
PaycardsTest
paycardSuccess
PaycardTransactionsModel
PaycardTransListPage
PaycardTransLookupPage
PercentDiscount
PercentMemSale
PhoneLookup
Plugin
PluginsTest
pos2
posCustDisplay
PostParser
PrehLib
PreParser
PriceCheck
PriceCheckPage
PriceCheckParser
PriceMethod
PriceOverride
PriceOverrideAdminLogin
PrintHandler
productlist
ProductSearch
ProductsModel
ProductUserSearch
PromptForTare
QKDisplay
QMDisplay
QttyEnforcedGroupPM
Quantity
QuantityEntryPage
quickkey
QuickKeyLauncher
QuickKeys
QuickLookupsModel
QuickMenuLauncher
QuickMenus
RAFC_Kicker
RebateCheckTender
ReceiptLib
ReceiptMessage
ReceiptTest
Refund
RefundAdminLogin
RefundAndCashBackTender
RefundComment
requestInfo
rplist
RRR
SavedOrCouldHave
ScaleDriverWrapper
ScaleInput
ScanningTest
ScreenDisplayModel
ScrollItems
SearchTest
SeparateReceiptSavings
SessionStorage
ShrinkReasonsModel
SigCapturePage
SignedStoreChargeTender
SigTermCommands
SlidingMemSale
SpecialDept
SpecialDeptMapModel
SpecialOrder
SpecialUPC
SplitABGroupPM
SQLiteStorage
SQLManager
SQLManagerTest
ssd
StackableDiscount
StaffDiscountAddModel
StaffDiscountRemoveModel
StaffSale
Steering
StoreChargeTender
StoreCreditIssuedReceiptMessage
StoreTransfer
StoreTransferTender
SubDeptsModel
suspendedlist
SuspendedModel
SuspendedTodayModel
SuspendLib
SusResAdminLogin
TarePromptInputPage
TaxFoodShift
TaxRatesModel
TaxViewModel
TenderFormat
TenderKey
TenderKeyCoopCred
tenderlist
tenderlist_coopCred
TenderModule
TenderOut
TenderReceiptFormat
TenderReport
TendersModel
TendersTest
TermStateNotifier
ToggleReceipt
ToggleTaxFSDisc
TotalAction
TotalActionsTest
TotalFormat
TotalReceiptFormat
Totals
TransPercentDiscount
TransRecord
UdpComm
undo
undo_confirm
UndoAdminLogin
UnitTestStorage
UnpaidAR
UnpaidArTodayModel
UPC
Valutec
VariableWeightReWrite
ViewModel
VirtCoupDisplay
VirtualCoupon
VirtualCouponParser
Void
Wakeup
WedgeScParser
WedgeStaffCharge
WEFC_Toronto_Kicker
WefcTorontoTenderReport
WFC_Kicker
WfcEquityMessage
WFCFixup
WfcMadCoupon
WfcMadCouponParser
WfcTenderReport
WhiteSpaceTest
WrappedStorage
xmlData
YPSI_Kicker
YPSITenderReport
ZeroedPriceReWrite