ItemEvents.modification((event) => {
  const ItemBuilder = Java.loadClass(
    "dev.latvian.mods.kubejs.item.custom.BasicItemJS$Builder"
  );

  event.modify("...", (item) => {
    const builder = new ItemBuilder("...").glow(true);
    item.setItemBuilder(builder);
  });
});

StartupEvents.registry("item", (event) => {
  event
    .create("random_concrete_pickaxe", "pickaxe")
    .texture(":item/iron_pickaxe")
    .maxDamage(250);
});

StartupEvents.registry("item", (event) => {
  event.create("random_shear", "shears").texture(":item/shears").maxDamage(238);
});