public func addPromoItem(def: SteamItemDef) -> (
    rc: Bool, resultHandle: SteamInventoryResult
)

public func addPromoItems(arrayItemDefs: [SteamItemDef]) -> (
    rc: Bool, resultHandle: SteamInventoryResult
)

public func checkResultSteamID(handle: SteamInventoryResult, expected: SteamID)
    -> Bool

public func consumeItem(consume: SteamItemInstanceID, quantity: Int) -> (
    rc: Bool, resultHandle: SteamInventoryResult
)

public func deserializeResult(
    buffer: [UInt8], reservedMUSTBEFALSE: Bool = false
) -> (rc: Bool, resultHandle: SteamInventoryResult)

public func destroyResult(handle: SteamInventoryResult)

public func exchangeItems(
    arrayGenerate: [SteamItemDef], arrayGenerateQuantity: [Int],
    arrayDestroy: [SteamItemInstanceID], arrayDestroyQuantity: [Int]
) -> (rc: Bool, resultHandle: SteamInventoryResult)

public func generateItems(arrayItemDefs: [SteamItemDef], arrayQuantity: [Int])
    -> (rc: Bool, resultHandle: SteamInventoryResult)

public func getAllItems() -> (rc: Bool, resultHandle: SteamInventoryResult)

public func getEligiblePromoItemDefinitionIDs(
    steamID: SteamID, itemDefIDsArraySize: Int
) -> (rc: Bool, itemDefIDs: [SteamItemDef], itemDefIDsArraySize: Int)

public func getItemDefinitionIDs(
    returnItemDefIDs: Bool = true, itemDefIDsArraySize: Int
) -> (rc: Bool, itemDefIDs: [SteamItemDef], itemDefIDsArraySize: Int)

public func getItemDefinitionProperty(
    definitionIndex: SteamItemDef, propertyName: String?,
    returnValueBuffer: Bool = true, valueBufferSize: Int
) -> (rc: Bool, valueBuffer: String, valueBufferSize: Int)

public func getItemPrice(definitionIndex: SteamItemDef) -> (
    rc: Bool, currentPrice: UInt64, basePrice: UInt64
)

public func getItemsByID(instanceIDs: [SteamItemInstanceID]) -> (
    rc: Bool, resultHandle: SteamInventoryResult
)

public func getItemsWithPrices(arrayLength: Int) -> (
    rc: Bool, arrayItemDefs: [SteamItemDef], currentPrices: [UInt64],
    basePrices: [UInt64]
)

public func getNumItemsWithPrices() -> Int

public func getResultItemProperty(
    handle: SteamInventoryResult, itemIndex: Int, propertyName: String?,
    returnValueBuffer: Bool = true, valueBufferSize: Int
) -> (rc: Bool, valueBuffer: String, valueBufferSize: Int)

public func getResultItems(
    handle: SteamInventoryResult, returnItemsArray: Bool = true,
    itemsArraySize: Int
) -> (rc: Bool, itemsArray: [SteamItemDetails], itemsArraySize: Int)

public func getResultStatus(handle: SteamInventoryResult) -> Result

public func getResultTimestamp(handle: SteamInventoryResult) -> RTime32

public func grantPromoItems() -> (rc: Bool, resultHandle: SteamInventoryResult)

public func inspectItem(itemToken: String) -> (
    rc: Bool, resultHandle: SteamInventoryResult
)

@discardableResult
public func loadItemDefinitions() -> Bool

public func removeProperty(
    handle: SteamInventoryUpdateHandle, itemID: SteamItemInstanceID,
    propertyName: String
) -> Bool

public func requestEligiblePromoItemDefinitionsIDs(
    steamID: SteamID,
    completion: @Sendable @escaping (
        sending SteamInventoryEligiblePromoItemDefIDs?
    ) -> Void)

public func requestEligiblePromoItemDefinitionsIDs(
    isolation: isolated (any Actor)? = #isolation, steamID: SteamID
) async -> SteamInventoryEligiblePromoItemDefIDs?

public func requestPrices(
    completion: @Sendable @escaping (sending SteamInventoryRequestPricesResult?)
        -> Void)

public func requestPrices(isolation: isolated (any Actor)? = #isolation) async
    -> SteamInventoryRequestPricesResult?

public func sendItemDropHeartbeat()

public func serializeResult(
    handle: SteamInventoryResult, returnBuffer: Bool = true, bufferSize: Int
) -> (rc: Bool, buffer: [UInt8], bufferSize: Int)

public func setProperty(
    handle: SteamInventoryUpdateHandle, itemID: SteamItemInstanceID,
    propertyName: String, value: Bool
) -> Bool

public func setProperty(
    handle: SteamInventoryUpdateHandle, itemID: SteamItemInstanceID,
    propertyName: String, value: Float
) -> Bool

public func setProperty(
    handle: SteamInventoryUpdateHandle, itemID: SteamItemInstanceID,
    propertyName: String, value: Int
) -> Bool

public func setProperty(
    handle: SteamInventoryUpdateHandle, itemID: SteamItemInstanceID,
    propertyName: String, propertyValue: String
) -> Bool

public func startPurchase(
    arrayItemDefs: [SteamItemDef], arrayQuantity: [Int],
    completion: @Sendable @escaping (sending SteamInventoryStartPurchaseResult?)
        -> Void)

public func startPurchase(
    isolation: isolated (any Actor)? = #isolation,
    arrayItemDefs: [SteamItemDef], arrayQuantity: [Int]
) async -> SteamInventoryStartPurchaseResult?

public func startUpdateProperties() -> SteamInventoryUpdateHandle

public func submitUpdateProperties(handle: SteamInventoryUpdateHandle) -> (
    rc: Bool, resultHandle: SteamInventoryResult
)

public func transferItemQuantity(
    idSource: SteamItemInstanceID, quantity: Int, idDest: SteamItemInstanceID
) -> (rc: Bool, resultHandle: SteamInventoryResult)

public func triggerItemDrop(listDefinition: SteamItemDef) -> (
    rc: Bool, resultHandle: SteamInventoryResult
)

public func getItemDefinitionIDs() -> (rc: Bool, itemDefIDs: [SteamItemDef])

public func getItemDefinitionProperty(
    definitionIndex: SteamItemDef, propertyName: String?
) -> (rc: Bool, valueBuffer: String)

public func getItemsWithPrices() -> (
    rc: Bool, arrayItemDefs: [SteamItemDef], currentPrices: [UInt64],
    basePrices: [UInt64]
)

public func getResultItems(handle: SteamInventoryResult) -> (
    rc: Bool, itemsArray: [SteamItemDetails]
)

public func getResultItemProperty(
    handle: SteamInventoryResult, itemIndex: Int, propertyName: String?
) -> (rc: Bool, valueBuffer: String)

public func serializeResult(handle: SteamInventoryResult) -> (
    rc: Bool, buffer: [UInt8]
)