<?php  namespace App\Services\Payments;  use App\Services\Support\BaseApiHandler; use Illuminate\Http\Client\PendingRequest;  class PayPalHandler extends BaseApiHandler { 	protected string $clientId; 	protected string $clientSecret; 	protected ?string $token = null;  	public function __construct(?bool $sandbox = null){}  	public function isOrderValid(string $payId, float $amount): bool{}  	public function getOrderDetails(string $payId): ?array{}  	protected function client(): PendingRequest{}  	protected function auth(): self{} }