ironbarrels/src/main/resources/assets/ironchest/recipes/_factories.json

{
    "recipes": {
        "shulker_box": "cpw.mods.ironchest.common.crafting.recipe.ShulkerBoxRecipeFactory",
        "shulker_box_coloring": "cpw.mods.ironchest.common.crafting.recipe.ShulkerBoxColorRecipeFactory"
    },
    "conditions": {
        "is_option_enabled": "cpw.mods.ironchest.common.crafting.condition.IsConfigOptionEnabledConditionFactory"
    }
}