CRAFTING:
recipes.remove(<>);

recipes.removeShaped(<>);

recipes.removeShapeless(<>);

recipes.addShaped(<>,
 [[<>, <>, <>],
  [<>, <>, <>],
  [<>, <>, <>]]);

recipes.addShapless(<>, [<>, <>, <>, <>]);

<name here>.transformDamage();

<name here>.displayName = "new name";

<name here>.addTooltip(format.color("tooltip"));

FURNACE:
furnace.remove(<>);

furnace.addRecipe(<output>, <input>)

ORE DICTIONARY:
oreDict.dictionary entry.add(<item>);