declare interface HUD {
  /**
   * Causes the charge bar of the active item in the specified slot to blink as if it had gained
   * charges.
   *
   * @param player
   * @param slot Default is ActiveSlot.SLOT_PRIMARY.
   */
  FlashChargeBar(player: EntityPlayer, slot?: ActiveSlot): void;
  /**
   * Forces the specified active item slot to update. This might be useful for functions that modify
   * an active item slot without directly giving or removing items.
   *
   * @param player
   * @param slot Default is ActiveSlot.SLOT_PRIMARY
   */
  InvalidateActiveItem(player: EntityPlayer, slot?: ActiveSlot): void;
  /**
   * Forces the crafting output from Bag of Crafting to update.
   *
   * @param player
   */
  InvalidateCraftingItem(player: EntityPlayer): void;
  IsVisible(): boolean;
  SetVisible(visible: boolean): void;
  /**
   * Accepts a sequence of up to 32 strings, where each string is a line of text.
   * Passing more than 7 lines will result in them not being displayed properly since the fortune
   * paper does not dynamically stretch to accommodate the extra lines yet.
   *
   * @param text
   */
  ShowFortuneText(...text: string[]): void;
  /**
   * Shows the pickup text for the specified item as if it was picked up by the specified player.
   */
  ShowItemText(player: EntityPlayer, item: ItemConfigItem): void;
  /**
   * Shows a custom pickup text.
   *
   * @param name
   * @param description Default is "".
   * @param paper If set to true, displays the description on a small piece of paper, similar to
   * curses. Default is false.
   */
  ShowItemText(name: string, description?: string, paper?: boolean): void;
}