src/game/java/net/minecraft/world/item/DispensibleContainerItem.java

package net.minecraft.world.item;

import javax.annotation.Nullable;
import net.minecraft.core.BlockPos;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.level.Level;
import net.minecraft.world.phys.BlockHitResult;

public interface DispensibleContainerItem {
    default void checkExtraContent(@Nullable Player p_150817_, Level p_150818_, ItemStack p_150819_, BlockPos p_150820_) {
    }

    boolean emptyContents(@Nullable Player p_150821_, Level p_150822_, BlockPos p_150823_, @Nullable BlockHitResult p_150824_);
}