Migrate to PSR-18 (#5)

Geo6.php

@@ -23,13 +23,13 @@
 use Geocoder\Provider\Provider;
 use Geocoder\Query\GeocodeQuery;
 use Geocoder\Query\ReverseQuery;
-use Http\Client\HttpClient;
 use Jose\Component\Core\AlgorithmManager;
 use Jose\Component\Core\Converter\StandardConverter;
 use Jose\Component\Core\JWK;
 use Jose\Component\Signature\Algorithm\HS512;
 use Jose\Component\Signature\JWSBuilder;
 use Jose\Component\Signature\Serializer\CompactSerializer;
+use Psr\Http\Client\ClientInterface;
 
 /**
  * @author Jonathan Beliën <jbe@geo6.be>
@@ -54,9 +54,9 @@ final class Geo6 extends AbstractHttpProvider implements Provider
     private $useGeo6Token = false;
 
     /**
-     * @param HttpClient $client an HTTP adapter
+     * @param ClientInterface $client an HTTP adapter
      */
-    public function __construct(HttpClient $client, string $clientId, string $privateKey, bool $useGeo6Token = false)
+    public function __construct(ClientInterface $client, string $clientId, string $privateKey, bool $useGeo6Token = false)
     {
         $this->clientId = $clientId;
         $this->privateKey = $privateKey;

Tests/IntegrationTest.php

@@ -12,7 +12,7 @@
 
 use Geocoder\IntegrationTest\ProviderIntegrationTest;
 use Geocoder\Provider\Geo6\Geo6;
-use Http\Client\HttpClient;
+use Psr\Http\Client\ClientInterface;
 
 class IntegrationTest extends ProviderIntegrationTest
 {
@@ -30,7 +30,7 @@ class IntegrationTest extends ProviderIntegrationTest
         'testExceptions'                => 'Does not allow geocode query without data.',
     ];
 
-    protected function createProvider(HttpClient $httpClient)
+    protected function createProvider(ClientInterface $httpClient)
     {
         return new Geo6($httpClient, $this->getCustomerId(), $this->getApiKey());
     }