declare namespace C_Item {
  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.IsItemConduit
   * @since 9.0.2 (2020-11-17)
   */
  function IsItemConduit(item: ItemLocation.ItemLocationMixin): boolean;

  /**
   * Needs summary
   * @param itemInfo
   * @see https://wow.gamepedia.com/API_C_Item.IsAnimaItemByID
   * @since 9.0.2 (2020-11-17)
   */
  function IsAnimaItemByID(itemInfo: string): boolean;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.CanViewItemPowers
   * @since 8.1.0 (2018-12-11)
   */
  function CanViewItemPowers(item: ItemLocation.ItemLocationMixin): boolean;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.DoesItemExist
   * @since 8.0.1 (2018-07-17)
   */
  function DoesItemExist(item: ItemLocation.ItemLocationMixin): boolean;

  /**
   * Needs summary
   * @param itemInfo
   * @see https://wow.gamepedia.com/API_C_Item.DoesItemExistByID
   * @since 8.0.1 (2018-07-17)
   */
  function DoesItemExistByID(
    itemInfo: WoWAPI.Hyperlink | string | number
  ): boolean;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.DoesItemMatchBonusTreeReplacement
   * @since 9.0.1 (2020-10-13)
   */
  function DoesItemMatchBonusTreeReplacement(
    item: ItemLocation.ItemLocationMixin
  ): boolean;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.GetCurrentItemLevel
   * @since 9.0.1 (2020-10-13)
   */
  function GetCurrentItemLevel(
    item: ItemLocation.ItemLocationMixin
  ): number | null;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.GetItemGUID
   * @since 8.0.1 (2018-07-17)
   */
  function GetItemGUID(item: ItemLocation.ItemLocationMixin): string;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.GetItemIcon
   * @since 8.0.1 (2018-07-17)
   */
  function GetItemIcon(item: ItemLocation.ItemLocationMixin): number | null;

  /**
   * Needs summary
   * @param itemInfo
   * @see https://wow.gamepedia.com/API_C_Item.GetItemIconByID
   * @since 8.0.1 (2018-07-17)
   */
  function GetItemIconByID(
    itemInfo: WoWAPI.Hyperlink | string | number
  ): number | null;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.GetItemID
   * @since 8.0.1 (2018-07-17)
   */
  function GetItemID(item: ItemLocation.ItemLocationMixin): number;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.GetItemInventoryType
   * @since 8.0.1 (2018-07-17)
   */
  function GetItemInventoryType(
    item: ItemLocation.ItemLocationMixin
  ): Enum.InventoryType | null;

  /**
   * Needs summary
   * @param itemInfo
   * @see https://wow.gamepedia.com/API_C_Item.GetItemInventoryTypeByID
   * @since 8.0.1 (2018-07-17)
   */
  function GetItemInventoryTypeByID(
    itemInfo: WoWAPI.Hyperlink | string | number
  ): Enum.InventoryType | null;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.GetItemLink
   * @since 8.0.1 (2018-07-17)
   */
  function GetItemLink(
    item: ItemLocation.ItemLocationMixin
  ): WoWAPI.Hyperlink | null;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.GetItemName
   * @since 8.0.1 (2018-07-17)
   */
  function GetItemName(item: ItemLocation.ItemLocationMixin): string | null;

  /**
   * Needs summary
   * @param itemInfo
   * @see https://wow.gamepedia.com/API_C_Item.GetItemNameByID
   * @since 8.0.1 (2018-07-17)
   */
  function GetItemNameByID(
    itemInfo: WoWAPI.Hyperlink | string | number
  ): string | null;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.GetItemQuality
   * @since 8.0.1 (2018-07-17)
   */
  function GetItemQuality(
    item: ItemLocation.ItemLocationMixin
  ): Enum.ItemQuality | null;

  /**
   * Needs summary
   * @param itemInfo
   * @see https://wow.gamepedia.com/API_C_Item.GetItemQualityByID
   * @since 8.0.1 (2018-07-17)
   */
  function GetItemQualityByID(
    itemInfo: WoWAPI.Hyperlink | string | number
  ): Enum.ItemQuality | null;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.GetStackCount
   * @since 8.3.0 (2020-01-14)
   */
  function GetStackCount(item: ItemLocation.ItemLocationMixin): number;

  /**
   * Needs summary
   * @param item
   * @returns Whether or not the item is soul- or accountbound
   * @see https://wow.gamepedia.com/API_C_Item.IsBound
   * @since 8.0.1 (2018-07-17)
   */
  function IsBound(item: ItemLocation.ItemLocationMixin): boolean;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.IsItemDataCached
   * @since 8.0.1 (2018-07-17)
   */
  function IsItemDataCached(item: ItemLocation.ItemLocationMixin): boolean;

  /**
   * Needs summary
   * @param itemInfo
   * @see https://wow.gamepedia.com/API_C_Item.IsItemDataCachedByID
   * @since 8.0.1 (2018-07-17)
   */
  function IsItemDataCachedByID(
    itemInfo: WoWAPI.Hyperlink | string | number
  ): boolean;

  /**
   * Needs summary
   * @param itemInfo
   * @see https://wow.gamepedia.com/API_C_Item.IsItemKeystoneByID
   * @since 9.0.1 (2020-10-13)
   */
  function IsItemKeystoneByID(
    itemInfo: WoWAPI.Hyperlink | string | number
  ): boolean;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.IsItemDataCached
   * @since 8.0.1 (2018-07-17)
   */
  function IsLocked(item: ItemLocation.ItemLocationMixin): boolean;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.IsLocked
   * @since 8.0.1 (2018-07-17)
   */
  function LockItem(item: ItemLocation.ItemLocationMixin): void;

  /**
   * Needs summary
   * @param itemGuid
   * @see https://wow.gamepedia.com/API_C_Item.LockItemByGUID
   * @since 8.0.1 (2018-07-17)
   */
  function LockItemByGUID(itemGuid: string): void;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.RequestLoadItemData
   * @since 8.0.1 (2018-07-17)
   */
  function RequestLoadItemData(item: ItemLocation.ItemLocationMixin): void;

  /**
   * Needs summary
   * @param itemInfo
   * @see https://wow.gamepedia.com/API_C_Item.RequestLoadItemDataByID
   * @since 8.0.1 (2018-07-17)
   */
  function RequestLoadItemDataByID(
    itemInfo: WoWAPI.Hyperlink | string | number
  ): void;

  /**
   * Needs summary
   * @param item
   * @see https://wow.gamepedia.com/API_C_Item.UnlockItem
   * @since 8.0.1 (2018-07-17)
   */
  function UnlockItem(item: ItemLocation.ItemLocationMixin): void;

  /**
   * Needs summary
   * @param itemGuid
   * @see https://wow.gamepedia.com/API_C_Item.UnlockItemByGUID
   * @since 8.3.0 (2020-01-14)
   */
  function UnlockItemByGUID(itemGuid: string): void;
}