<?php  namespace App\Models;  use Illuminate\Database\Eloquent\Relations\MorphTo; use Illuminate\Database\Eloquent\Relations\BelongsTo;  class DiscountItem extends Model { 	public function discount(): BelongsTo{}  	public function product(): BelongsTo{}  	public function category(): BelongsTo{}  	public function item(): MorphTo{} }