content: package org.allaymc.api.container.interfaces;
  
  import org.allaymc.api.container.Container;
  import org.allaymc.api.item.ItemStack;
  
  /**
   * PlayerInventoryContainer represents a container that holds a player's inventory items.
   *
   * @author daoge_cmd
   */
  public interface InventoryContainer extends Container {
      /**
       * Gets the item currently in the hand.
       *
       * @return the ItemStack in the hand
       */
      ItemStack getItemInHand();
  
      /**
       * Sets the item in the hand.
       *
       * @param itemStack the ItemStack to set in the hand
       */
      void setItemInHand(ItemStack itemStack);
  
      /**
       * Clears the item in the hand, effectively removing it.
       */
      void clearItemInHand();
  
      /**
       * Gets the current hand slot index that the player is using.
       *
       * @return the index of the current hand slot
       */
      int getHandSlot();
  
      /**
       * Sets the hand slot index for the player.
       *
       * @param handSlot the index to set as the current hand slot
       */
      void setHandSlot(int handSlot);
  }
  