    001package net.minecraft.tileentity;
    002
    003import net.minecraft.inventory.IInventory;
    004import net.minecraft.world.World;
    005
    006public interface Hopper extends IInventory
    007{
    008    /**
    009     * Returns the worldObj for this tileEntity.
    010     */
    011    World getWorldObj();
    012
    013    double func_96107_aA();
    014
    015    double func_96109_aB();
    016
    017    double func_96108_aC();
    018}