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);
}