package info.u_team.u_team_test.init;

import info.u_team.u_team_test.TestMod;
import info.u_team.u_team_test.effect.RadiationEffect;
import info.u_team.u_team_test.global_loot_modifier.AutoSmeltLootModifier;
import net.minecraft.potion.Effect;
import net.minecraftforge.common.loot.GlobalLootModifierSerializer;
import net.minecraftforge.event.RegistryEvent.Register;
import net.minecraftforge.eventbus.api.*;
import net.minecraftforge.fml.RegistryObject;
import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
import net.minecraftforge.fml.common.Mod.EventBusSubscriber.Bus;
import net.minecraftforge.registries.*;

public class TestGlobalLootModifiers {
	
	public static final DeferredRegister<GlobalLootModifierSerializer<?>> GLOBAL_LOOT_MODIFIER_SERIALIZERS = DeferredRegister.create(ForgeRegistries.LOOT_MODIFIER_SERIALIZERS, TestMod.MODID);
	
	public static final RegistryObject<AutoSmeltLootModifier.Serializer> AUTO_SMELT = GLOBAL_LOOT_MODIFIER_SERIALIZERS.register("auto_smelt", AutoSmeltLootModifier.Serializer::new);	
	
	public static void register(IEventBus bus) {
		GLOBAL_LOOT_MODIFIER_SERIALIZERS.register(bus);
	}
//	
//	@SubscribeEvent
//	public static void register(Register<GlobalLootModifierSerializer<?>> event) {
//		event.getRegistry().register(new AutoSmeltLootModifier.Serializer().setRegistryName(TestMod.MODID, "auto_smelt"));
//	}
	
}

package info.u_team.u_team_test.init;

import info.u_team.u_team_test.TestMod;
import info.u_team.u_team_test.effect.RadiationEffect;
import info.u_team.u_team_test.global_loot_modifier.AutoSmeltLootModifier;
import net.minecraft.potion.Effect;
import net.minecraftforge.common.loot.GlobalLootModifierSerializer;
import net.minecraftforge.event.RegistryEvent.Register;
import net.minecraftforge.eventbus.api.*;
import net.minecraftforge.fml.RegistryObject;
import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
import net.minecraftforge.fml.common.Mod.EventBusSubscriber.Bus;
import net.minecraftforge.registries.*;

public class TestGlobalLootModifiers {
	
	public static final DeferredRegister<GlobalLootModifierSerializer<?>> GLOBAL_LOOT_MODIFIER_SERIALIZERS = DeferredRegister.create(ForgeRegistries.LOOT_MODIFIER_SERIALIZERS, TestMod.MODID);
	
	public static final RegistryObject<AutoSmeltLootModifier.Serializer> AUTO_SMELT = GLOBAL_LOOT_MODIFIER_SERIALIZERS.register("auto_smelt", AutoSmeltLootModifier.Serializer::new);	
	
	public static void register(IEventBus bus) {
		GLOBAL_LOOT_MODIFIER_SERIALIZERS.register(bus);
	}
	
}

Remove old code