Fixed all possible PHPStan errors

module/Common/src/Service/IpLocationResolverInterface.php

@@ -3,11 +3,14 @@ declare(strict_types=1);
 
 namespace Shlinkio\Shlink\Common\Service;
 
+use Shlinkio\Shlink\Common\Exception\WrongIpException;
+
 interface IpLocationResolverInterface
 {
     /**
-     * @param $ipAddress
+     * @param string $ipAddress
      * @return array
+     * @throws WrongIpException
      */
-    public function resolveIpLocation($ipAddress);
+    public function resolveIpLocation(string $ipAddress): array;
 }