cant resolve symbol Fabric

Question

package org.haxzzz.goidamod.item;

import net.fabricmc.fabric.impl.itemgroup.FabricItemGroup;
import net.minecraft.core.Registry;
import net.minecraft.core.registries.Registries;
import net.minecraft.world.item.Item;
import org.haxzzz.goidamod.GoidaMod;

import net.minecraft.util.Identifier;


public class Base_Item extends Item {
    public Base_Item(Properties properties) {
        super(properties);
    }

    public static Item register(String name) {
        return Registry.register(Registries.ITEM, new Identifier(GoidaMod.MOD_ID, name),
                new );
    }
}

when im trying to import import net.minecraft.util.Identifier; Idea says "cant resolve symbol"

i tryed to find another minecraft identifier but nothing