Added 'providedBy' (#698)

* Added 'providedBy'

* Bugfix

* Applied changes from StyleCI

Author: Nyholm

Tests/Provider/AbstractHttpProviderTest.php

@@ -12,7 +12,11 @@
 
 namespace Geocoder\Http\Provider\Tests;
 
+use Geocoder\Collection;
 use Geocoder\Http\Provider\AbstractHttpProvider;
+use Geocoder\Model\AddressCollection;
+use Geocoder\Query\GeocodeQuery;
+use Geocoder\Query\ReverseQuery;
 use Http\Client\HttpClient;
 use Http\Mock\Client;
 use PHPUnit\Framework\TestCase;
@@ -33,4 +37,19 @@ public function getHttpClient(): HttpClient
     {
         return parent::getHttpClient();
     }
+
+    public function geocodeQuery(GeocodeQuery $query): Collection
+    {
+        return new AddressCollection([]);
+    }
+
+    public function reverseQuery(ReverseQuery $query): Collection
+    {
+        return new AddressCollection([]);
+    }
+
+    public function getName(): string
+    {
+        return 'dummy';
+    }
 }