declare namespace C_NewItems {
  /**
   * Clears the new item flag on all items in the player's inventory
   * @see https://wow.gamepedia.com/API_C_NewItems.ClearAll
   * @since 5.4.0 (2013-09-10)
   */
  function GetItemHyperlink(): void;

  /**
   * Returns whether an inventory slot holds a newly-acquired item
   * @param bagId BagID of the container
   * @param slotIndex ID of the inventory slot within the container
   * @returns Returns true if the inventory slot holds a newly-acquired item; otherwise false (empty slot or a non-new item).
   * @see https://wow.gamepedia.com/API_C_NewItems.IsNewItem
   * @since 5.4.0 (2013-09-10)
   */
  function IsNewItem(bagId: WoWAPI.CONTAINER_ID, slotIndex: number): boolean;

  /**
   * Clears the "new item" flag
   * @param bagId container slot id
   * @param slotIndex slot within the bag to clear the "new item" flag for
   * @see https://wow.gamepedia.com/API_C_NewItems.RemoveNewItem
   * @since 5.4.0 (2013-09-10)
   */
  function RemoveNewItem(bagId: WoWAPI.CONTAINER_ID, slotIndex: number): void;
}