<?php  namespace App\Services\Location;  use App\Services\Support\BaseApiHandler;  class RestCountriesHandler extends BaseApiHandler { 	/** 	 * @var string 	 */ 	final public const API_URL = 'https://restcountries.com/v3.1/';  	public function __construct(){}  	public function all(?array $fields = []): ?array{} }