<?php  namespace App\Models;  use App\Enums\DeliveryType; use Illuminate\Database\Eloquent\Relations\HasMany;  class DeliveryPrice extends Model { 	protected $casts = [ 		'delivery_type' => DeliveryType::class, 	];  	public function orders(): HasMany{}  	public function calculateShippingPrice(float $totalWeight): float{}  	public function calculateGLSShippingPrice(float $totalWeight): float{}  	public function calculateUPSShippingPrice(float $totalWeight): float{} }