Calling

You can call the Resonator package using mods.extrautils2.Resonator

Removing

//mods.extrautils2.Resonator.remove(IItemStack outout);
mods.extrautils2.Resonator.remove(<minecraft:redstone>);

Addition

//1 GP = 100 energy
//mods.extrautils2.Resonator.add(IItemStack output, IItemStack input, int energy, @Optional boolean addOwnerTag);
mods.extrautils2.Resonator.add(<minecraft:redstone_block>, <minecraft:gold_block>, 100);
mods.extrautils2.Resonator.add(<minecraft:gold_block>, <minecraft:iron_block>, 200, false);