redpower/src/main/java/cofh/api/energy/IEnergyContainerItem.java

package cofh.api.energy;

import net.minecraft.item.ItemStack;

public interface IEnergyContainerItem {
   int receiveEnergy(ItemStack var1, int var2, boolean var3);

   int extractEnergy(ItemStack var1, int var2, boolean var3);

   int getEnergyStored(ItemStack var1);

   int getMaxEnergyStored(ItemStack var1);
}