diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 4bb2fcf..6f6f88f 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -84,8 +84,8 @@ final class ApiController extends Controller
     {
         /** @var \Modules\Exchange\Models\InterfaceManager $interface */
         $interface = InterfaceManagerMapper::get($request->getData('id'));
-        $class    = '\\Modules\\Exchange\\Interfaces\\' . $interface->getInterfacePath() . '\\Importer';
-        $importer = new $class($this->app->dbPool->get());
+        $class     = '\\Modules\\Exchange\\Interfaces\\' . $interface->getInterfacePath() . '\\Importer';
+        $importer  = new $class($this->app->dbPool->get());
 
         return $importer->importFromRequest($request);
     }
@@ -209,8 +209,8 @@ final class ApiController extends Controller
     {
         /** @var \Modules\Exchange\Models\InterfaceManager $interface */
         $interface = InterfaceManagerMapper::get($request->getData('id'));
-        $class    = '\\Modules\\Exchange\\Interfaces\\' . $interface->getInterfacePath() . '\\Exporter';
-        $exporter = new $class($this->app->dbPool->get());
+        $class     = '\\Modules\\Exchange\\Interfaces\\' . $interface->getInterfacePath() . '\\Exporter';
+        $exporter  = new $class($this->app->dbPool->get());
 
         return $exporter->exportFromRequest($request);
     }
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index ad53e0e..42ae78a 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -14,12 +14,12 @@ declare(strict_types=1);
 
 namespace Modules\Exchange\Controller;
 
+use Modules\Exchange\Models\ExchangeLogMapper;
 use Modules\Exchange\Models\InterfaceManagerMapper;
 use phpOMS\Contract\RenderableInterface;
 use phpOMS\Message\RequestAbstract;
 use phpOMS\Message\ResponseAbstract;
 use phpOMS\Views\View;
-use Modules\Exchange\Models\ExchangeLogMapper;
 
 /**
  * Exchange controller class.
diff --git a/Interfaces/OMS/Exporter.php b/Interfaces/OMS/Exporter.php
index 28a7f00..e50c137 100644
--- a/Interfaces/OMS/Exporter.php
+++ b/Interfaces/OMS/Exporter.php
@@ -16,16 +16,9 @@ namespace Modules\Exchange\Interfaces\OMS;
 
 use Modules\Exchange\Models\ExchangeLog;
 use Modules\Exchange\Models\ExchangeType;
-use phpOMS\DataStorage\Database\Connection\ConnectionAbstract;
-use phpOMS\DataStorage\Database\Connection\ConnectionFactory;
-use phpOMS\DataStorage\Database\DatabaseStatus;
-use phpOMS\DataStorage\Database\DataMapperAbstract;
-use phpOMS\Localization\ISO3166TwoEnum;
-use phpOMS\Localization\ISO639x1Enum;
-use phpOMS\Message\RequestAbstract;
-use phpOMS\System\File\Local\Directory;
-use phpOMS\Utils\IO\Zip\Zip;
 use Modules\Exchange\Models\ExporterAbstract;
+use phpOMS\DataStorage\Database\Connection\ConnectionAbstract;
+use phpOMS\Message\RequestAbstract;
 use phpOMS\Utils\StringUtils;
 
 /**
@@ -88,11 +81,11 @@ final class Exporter extends ExporterAbstract
         if ($request->getData('type') === 'language') {
             $result = $this->exportLanguage();
 
-            $log = new ExchangeLog();
+            $log            = new ExchangeLog();
             $log->createdBy = $this->account;
             $log->setType(ExchangeType::EXPORT);
-            $log->message = 'Language file exported.'; // @todo: localize!
-            $log->subtype = 'language';
+            $log->message  = 'Language file exported.'; // @todo: localize!
+            $log->subtype  = 'language';
             $log->exchange = (int) $request->getData('id');
 
             $result['logs'][] = $log;
@@ -110,11 +103,11 @@ final class Exporter extends ExporterAbstract
      */
     public function exportLanguage() : array
     {
-        $languageArray = [];
+        $languageArray      = [];
         $supportedLanguages = [];
 
         $basePath = __DIR__ . '/../../../';
-        $modules = \scandir($basePath);
+        $modules  = \scandir($basePath);
         foreach ($modules as $module) {
             $themePath = $basePath . $module . '/Theme/';
 
@@ -143,8 +136,8 @@ final class Exporter extends ExporterAbstract
                     if (\strlen($components[0]) === 2) {
                         // normal language file
                         $supportedLanguages[] = $components[0];
-                        $array = include $themePath . $theme . '/Lang/' . $language;
-                        $array = \reset($array);
+                        $array                = include $themePath . $theme . '/Lang/' . $language;
+                        $array                = \reset($array);
 
                         if ($array === false) {
                             continue;
@@ -174,7 +167,7 @@ final class Exporter extends ExporterAbstract
                     }
 
                     $template = \file_get_contents($item->getPathname());
-                    $keys = [];
+                    $keys     = [];
                     \preg_match_all('/(\$this\->getHtml\(\')([a-zA-Z:]+)(\'\))/', $template, $keys, \PREG_PATTERN_ORDER);
 
                     foreach ($keys[2] ?? [] as $key) {
@@ -204,7 +197,7 @@ final class Exporter extends ExporterAbstract
         return [
             'type'    => 'file',
             'name'    => 'languages.csv',
-            'content' => $content
+            'content' => $content,
         ];
     }
 }
diff --git a/Interfaces/OMS/Importer.php b/Interfaces/OMS/Importer.php
index 633f904..aa2b229 100644
--- a/Interfaces/OMS/Importer.php
+++ b/Interfaces/OMS/Importer.php
@@ -15,19 +15,14 @@ declare(strict_types=1);
 namespace Modules\Exchange\Interfaces\OMS;
 
 use Modules\Exchange\Models\ExchangeLog;
+use Modules\Exchange\Models\ExchangeType;
+use Modules\Exchange\Models\ImporterAbstract;
+use Modules\Media\Controller\ApiController;
 use phpOMS\DataStorage\Database\Connection\ConnectionAbstract;
 use phpOMS\DataStorage\Database\Connection\ConnectionFactory;
 use phpOMS\DataStorage\Database\DatabaseStatus;
-use phpOMS\DataStorage\Database\DataMapperAbstract;
-use phpOMS\Localization\ISO3166TwoEnum;
-use phpOMS\Localization\ISO639x1Enum;
-use phpOMS\Message\RequestAbstract;
-use phpOMS\System\File\Local\Directory;
-use phpOMS\Utils\IO\Zip\Zip;
-use Modules\Media\Controller\ApiController;
-use Modules\Exchange\Models\ImporterAbstract;
 use phpOMS\Message\Http\HttpRequest;
-use Modules\Exchange\Models\ExchangeType;
+use phpOMS\Message\RequestAbstract;
 
 /**
  * OMS import class
@@ -108,11 +103,11 @@ final class Importer extends ImporterAbstract
 
         if ($request->getData('type') === 'language') {
             $this->importLanguage($request);
-            $log = new ExchangeLog();
+            $log            = new ExchangeLog();
             $log->createdBy = $this->account;
             $log->setType(ExchangeType::IMPORT);
-            $log->message = 'Language file imported.'; // @todo: localize!
-            $log->subtype = 'language';
+            $log->message  = 'Language file imported.'; // @todo: localize!
+            $log->subtype  = 'language';
             $log->exchange = (int) $request->getData('id');
 
             $result['logs'][] = $log;
@@ -132,10 +127,10 @@ final class Importer extends ImporterAbstract
     {
         $upload = ApiController::uploadFilesToDestination($request->getFiles());
 
-        $fp = \fopen($upload['file0']['path'] . '/' . $upload['file0']['filename'], 'r');
+        $fp     = \fopen($upload['file0']['path'] . '/' . $upload['file0']['filename'], 'r');
         $header = \fgetcsv($fp, 0, ';', '"');
 
-        $languageArray = [];
+        $languageArray      = [];
         $supportedLanguages = \array_slice($header, 3);
 
         while(($line = \fgetcsv($fp, 0, ';', '"')) !== false) {
diff --git a/Interfaces/OMS/export.tpl.php b/Interfaces/OMS/export.tpl.php
index 43b52a4..eb3d344 100644
--- a/Interfaces/OMS/export.tpl.php
+++ b/Interfaces/OMS/export.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 $lang = $this->getData('lang');
 ?>
diff --git a/Interfaces/OMS/import.tpl.php b/Interfaces/OMS/import.tpl.php
index da086f1..cc9d7fb 100644
--- a/Interfaces/OMS/import.tpl.php
+++ b/Interfaces/OMS/import.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 $lang = $this->getData('lang');
 ?>
diff --git a/Models/ExchangeLog.php b/Models/ExchangeLog.php
index 04f034a..9eb7be6 100644
--- a/Models/ExchangeLog.php
+++ b/Models/ExchangeLog.php
@@ -67,7 +67,9 @@ class ExchangeLog implements \JsonSerializable, ArrayableInterface
      * @var int
      * @since 1.0.0
      */
-    public int|InterfaceManager $exchange = 0;
+    public int |
+
+InterfaceManager $exchange = 0;
 
     /**
      * Date type.
@@ -77,7 +79,9 @@ class ExchangeLog implements \JsonSerializable, ArrayableInterface
      */
     public \DateTimeImmutable $createdAt;
 
-    public int|Account $createdBy = 0;
+    public int |
+
+Account $createdBy = 0;
 
     /**
      * Constructor.
diff --git a/Models/ExchangeLogMapper.php b/Models/ExchangeLogMapper.php
index 477d818..bfca89e 100644
--- a/Models/ExchangeLogMapper.php
+++ b/Models/ExchangeLogMapper.php
@@ -14,8 +14,8 @@ declare(strict_types=1);
 
 namespace Modules\Exchange\Models;
 
-use phpOMS\DataStorage\Database\DataMapperAbstract;
 use Modules\Admin\Models\AccountMapper;
+use phpOMS\DataStorage\Database\DataMapperAbstract;
 
 /**
  * Exchange log mapper class.
@@ -34,14 +34,14 @@ final class ExchangeLogMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static array $columns = [
-        'exchange_log_id'      => ['name' => 'exchange_log_id',    'type' => 'int',    'internal' => 'id'],
-        'exchange_log_message' => ['name' => 'exchange_log_message', 'type' => 'string', 'internal' => 'message'],
-        'exchange_log_fields'  => ['name' => 'exchange_log_fields',  'type' => 'Json',    'internal' => 'fields'],
-        'exchange_log_type'    => ['name' => 'exchange_log_type', 'type' => 'int',    'internal' => 'type'],
-        'exchange_log_subtype'    => ['name' => 'exchange_log_subtype', 'type' => 'string',    'internal' => 'subtype'],
+        'exchange_log_id'            => ['name' => 'exchange_log_id',    'type' => 'int',    'internal' => 'id'],
+        'exchange_log_message'       => ['name' => 'exchange_log_message', 'type' => 'string', 'internal' => 'message'],
+        'exchange_log_fields'        => ['name' => 'exchange_log_fields',  'type' => 'Json',    'internal' => 'fields'],
+        'exchange_log_type'          => ['name' => 'exchange_log_type', 'type' => 'int',    'internal' => 'type'],
+        'exchange_log_subtype'       => ['name' => 'exchange_log_subtype', 'type' => 'string',    'internal' => 'subtype'],
         'exchange_log_created_at'    => ['name' => 'exchange_log_created_at', 'type' => 'DateTimeImmutable',    'internal' => 'createdAt', 'readonly' => true],
         'exchange_log_created_by'    => ['name' => 'exchange_log_created_by', 'type' => 'int',    'internal' => 'createdBy', 'readonly' => true],
-        'exchange_log_exchange'    => ['name' => 'exchange_log_exchange', 'type' => 'int',    'internal' => 'exchange'],
+        'exchange_log_exchange'      => ['name' => 'exchange_log_exchange', 'type' => 'int',    'internal' => 'exchange'],
     ];
 
     /**
diff --git a/Theme/Backend/Lang/de.lang.php b/Theme/Backend/Lang/de.lang.php
index b6ed5a0..418e892 100644
--- a/Theme/Backend/Lang/de.lang.php
+++ b/Theme/Backend/Lang/de.lang.php
@@ -13,19 +13,19 @@ declare(strict_types=1);
 
 return ['Exchange' => [
     'Database' => 'Datenbank',
-    'End' => 'Ende',
+    'End'      => 'Ende',
     'Exchange' => 'Exchange',
-    'Export' => 'Export',
-    'Exports' => 'Exporte',
-    'File' => 'Dateien',
-    'Host' => 'Host',
-    'Import' => 'Import',
-    'Imports' => 'Importe',
-    'Login' => 'Login',
-    'Options' => 'Optionen',
+    'Export'   => 'Export',
+    'Exports'  => 'Exporte',
+    'File'     => 'Dateien',
+    'Host'     => 'Host',
+    'Import'   => 'Import',
+    'Imports'  => 'Importe',
+    'Login'    => 'Login',
+    'Options'  => 'Optionen',
     'Password' => 'Passwort',
-    'Port' => 'Port',
-    'Start' => 'Start',
-    'Title' => 'Titel',
-    'Website' => 'Webseite',
+    'Port'     => 'Port',
+    'Start'    => 'Start',
+    'Title'    => 'Titel',
+    'Website'  => 'Webseite',
 ]];
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index 83ce982..139f946 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -13,19 +13,19 @@ declare(strict_types=1);
 
 return ['Exchange' => [
     'Database' => 'Database',
-    'End' => 'End',
+    'End'      => 'End',
     'Exchange' => 'Exchange',
-    'Export' => 'Export',
-    'Exports' => 'Exports',
-    'File' => 'File',
-    'Host' => 'Host',
-    'Import' => 'Import',
-    'Imports' => 'Imports',
-    'Login' => 'Login',
-    'Options' => 'Options',
+    'Export'   => 'Export',
+    'Exports'  => 'Exports',
+    'File'     => 'File',
+    'Host'     => 'Host',
+    'Import'   => 'Import',
+    'Imports'  => 'Imports',
+    'Login'    => 'Login',
+    'Options'  => 'Options',
     'Password' => 'Password',
-    'Port' => 'Port',
-    'Start' => 'Start',
-    'Title' => 'Title',
-    'Website' => 'Website',
+    'Port'     => 'Port',
+    'Start'    => 'Start',
+    'Title'    => 'Title',
+    'Website'  => 'Website',
 ]];