declare namespace WoWAPI {
  interface ItemInteractionFrameInfo {
    textureKit: string;
    openSoundKitID: number;
    closeSoundKitID: number;
    titleText: string;
    tutorialText: string;
    buttonText: string;
    frameType: Enum.ItemInteractionFrameType;
    description: string | null;
    cost: number | null;
    currencyTypeId: number | null;
    dropInSlotSoundKitId: number | null;
  }
}

declare namespace C_ItemInteraction {
  /**
   * Needs summary
   * @see https://wow.gamepedia.com/API_C_ItemInteraction.ClearPendingItem
   * @since 8.3.0 (2020-01-14)
   */
  function ClearPendingItem(): void;

  /**
   * Needs summary
   * @see https://wow.gamepedia.com/API_C_ItemInteraction.CloseUI
   * @since 8.3.0 (2020-01-14)
   */
  function CloseUI(): void;

  /**
   * Needs summary
   * @see https://wow.gamepedia.com/API_C_ItemInteraction.GetItemInteractionInfo
   * @since 8.3.0 (2020-01-14)
   */
  function GetItemInteractionInfo(): WoWAPI.ItemInteractionFrameInfo | null;

  /**
   * Needs summary
   * @see https://wow.gamepedia.com/API_C_ItemInteraction.GetItemInteractionSpellId
   * @since 8.3.0 (2020-01-14)
   */
  function GetItemInteractionSpellId(): number;

  /**
   * Needs summary
   * @see https://wow.gamepedia.com/API_C_ItemInteraction.InitializeFrame
   * @since 8.3.0 (2020-01-14)
   */
  function InitializeFrame(): void;

  /**
   * Needs summary
   * @see https://wow.gamepedia.com/API_C_ItemInteraction.PerformItemInteraction
   * @since 8.3.0 (2020-01-14)
   */
  function PerformItemInteraction(): void;

  /**
   * Needs summary
   * @see https://wow.gamepedia.com/API_C_ItemInteraction.Reset
   * @since 8.3.0 (2020-01-14)
   */
  function Reset(): void;

  /**
   * Needs summary
   * @returns success
   * @see https://wow.gamepedia.com/API_C_ItemInteraction.SetPendingItem
   * @since 8.3.0 (2020-01-14)
   */
  function SetPendingItem(item?: ItemLocation.ItemLocationMixin): boolean;
}