diff --git a/src/bundle/Command/MigrateNamespacesCommand.php b/src/bundle/Command/MigrateNamespacesCommand.php
index 866c3e96..4b7d9487 100644
--- a/src/bundle/Command/MigrateNamespacesCommand.php
+++ b/src/bundle/Command/MigrateNamespacesCommand.php
@@ -1,5 +1,11 @@
 <?php
 
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
 namespace Ibexa\Bundle\FieldTypeRichText\Command;
 
 use Ibexa\Contracts\Core\Repository\PermissionResolver;
@@ -10,20 +16,20 @@
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 
-
 final class MigrateNamespacesCommand extends MultiprocessComand
 {
     private Gateway $gateway;
+
     private ?int $cursorStart;
+
     private ?int $cursorStop;
 
     public function __construct(
         PermissionResolver $permissionResolver,
         UserService $userService,
         Gateway $gateway,
-    )
-    {
-        parent::__construct("ibexa:migrate:richtext-namespaces", $permissionResolver, $userService);
+    ) {
+        parent::__construct('ibexa:migrate:richtext-namespaces', $permissionResolver, $userService);
         $this->gateway = $gateway;
     }
 
@@ -36,7 +42,7 @@ public function configure(): void
             null,
             InputOption::VALUE_REQUIRED,
             'Internal option - only used for subprocesses',
-            )
+        )
             ->addOption(
                 'cursor-stop',
                 null,
@@ -51,11 +57,10 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $this->cursorStop = $input->getOption('cursor-stop') !== null ? (int) $input->getOption('cursor-stop') : null;
 
         // Check that both --cursor-start and cursor-start are set, or neither
-        if ( ($this->cursorStart === null) xor ($this->cursorStop === null) ) {
+        if (($this->cursorStart === null) xor ($this->cursorStop === null)) {
             throw new RuntimeException('The options --cursor-start and -cursor-stop are only for internal use !');
         }
 
-
         parent::execute($input, $output);
 
         return self::SUCCESS;
@@ -69,9 +74,9 @@ protected function getObjectCount(): int
     protected function iterate(): void
     {
         $limit = $this->getIterationCount();
-        $cursor =  [
+        $cursor = [
             'start' => -1,
-            'stop' => null
+            'stop' => null,
         ];
 
         $contentAttributeIDs = $this->gateway->getContentObjectAttributeIds($cursor['start'], $limit);
@@ -89,7 +94,7 @@ protected function iterate(): void
 
     protected function completed(): void
     {
-        $this->output->writeln(PHP_EOL . "Completed");
+        $this->output->writeln(PHP_EOL . 'Completed');
     }
 
     protected function getNextCursor(array $contentAttributeIDs): ?int
@@ -127,15 +132,15 @@ protected function isChildProcess(): bool
 
     protected function updateNamespacesInColumns(int $contentAttributeIdStart, int $contentAttributeIdStop): void
     {
-        $contentAttributes = $this->gateway->getContentObjectAttributes($contentAttributeIdStart,$contentAttributeIdStop);
+        $contentAttributes = $this->gateway->getContentObjectAttributes($contentAttributeIdStart, $contentAttributeIdStop);
 
         foreach ($contentAttributes as $contentAttribute) {
             $contentAttribute['data_text'] = str_replace('xmlns:ezxhtml="http://ez.no/xmlns/ezpublish/docbook/xhtml"', 'xmlns:ezxhtml="http://FOOBAR.co/xmlns/dxp/docbook/xhtml"', $contentAttribute['data_text']);
-            $contentAttribute['data_text'] = str_replace( 'xmlns:ezcustom="http://ez.no/xmlns/ezpublish/docbook/custom"', 'xmlns:ezcustom="http://FOOBAR.co/xmlns/dxp/docbook/custom"', $contentAttribute['data_text']);
+            $contentAttribute['data_text'] = str_replace('xmlns:ezcustom="http://ez.no/xmlns/ezpublish/docbook/custom"', 'xmlns:ezcustom="http://FOOBAR.co/xmlns/dxp/docbook/custom"', $contentAttribute['data_text']);
 
             if (!$this->isDryRun()) {
                 $this->gateway->updateContentObjectAttribute($contentAttribute['data_text'], $contentAttribute['contentobject_id'], $contentAttribute['id'], $contentAttribute['version'], $contentAttribute['language_code']);
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/bundle/Command/MultiprocessComand.php b/src/bundle/Command/MultiprocessComand.php
index 46c4b96a..082ba24c 100644
--- a/src/bundle/Command/MultiprocessComand.php
+++ b/src/bundle/Command/MultiprocessComand.php
@@ -1,5 +1,11 @@
 <?php
 
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
 namespace Ibexa\Bundle\FieldTypeRichText\Command;
 
 use Ibexa\Contracts\Core\Repository\PermissionResolver;
@@ -10,7 +16,6 @@
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
-use Symfony\Component\Console\Style\SymfonyStyle;
 use Symfony\Component\Process\PhpExecutableFinder;
 use Symfony\Component\Process\Process;
 
@@ -33,11 +38,13 @@ abstract class MultiprocessComand extends Command
     protected $progressBar;
 
     protected OutputInterface $output;
+
     private bool $dryRun;
+
     private int $maxProcesses;
 
     /**
-     * @var Process[]
+     * @var \Symfony\Component\Process\Process[]
      */
     private $processes;
 
@@ -45,15 +52,16 @@ abstract class MultiprocessComand extends Command
      * @var string
      */
     private mixed $user;
+
     private int $iterationCount;
+
     private string $environment;
 
     public function __construct(
         string $name = null,
         PermissionResolver $permissionResolver,
         UserService $userService,
-    )
-    {
+    ) {
         $this->permissionResolver = $permissionResolver;
         $this->userService = $userService;
         $this->dryRun = false;
@@ -70,7 +78,7 @@ public function configure(): void
             InputOption::VALUE_REQUIRED,
             'Ibexa DXP username',
             'admin'
-            )
+        )
             ->addOption(
                 'dry-run',
                 null,
@@ -91,12 +99,12 @@ public function configure(): void
                 1
             )
                 ->addOption(
-                'iteration-count',
-                null,
-                InputOption::VALUE_OPTIONAL,
-                'Number of objects to process in a single iteration. Set to avoid using too much memory [default: 10000]',
-                10000
-            );
+                    'iteration-count',
+                    null,
+                    InputOption::VALUE_OPTIONAL,
+                    'Number of objects to process in a single iteration. Set to avoid using too much memory [default: 10000]',
+                    10000
+                );
     }
 
     protected function execute(InputInterface $input, OutputInterface $output): int
@@ -106,7 +114,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
             $this->userService->loadUserByLogin($this->user)
         );
 
-        $this->environment = (string) $input->getOption("env");
+        $this->environment = (string) $input->getOption('env');
 
         if ($input->getOption('dry-run')) {
             $this->dryRun = true;
@@ -133,9 +141,8 @@ protected function execute(InputInterface $input, OutputInterface $output): int
             $cursor = $this->constructCursorFromInputOptions();
             $this->processData($cursor);
         } else {
-            $this->output->writeln("Processing " . $this->getObjectCount() . " items.");
-            $this->output->writeln("Using " . $this->getMaxProcesses() . " concurrent processes and processing " . $this->getIterationCount() . " items per iteration");
-
+            $this->output->writeln('Processing ' . $this->getObjectCount() . ' items.');
+            $this->output->writeln('Using ' . $this->getMaxProcesses() . ' concurrent processes and processing ' . $this->getIterationCount() . ' items per iteration');
 
             $this->startProgressBar();
 
@@ -148,11 +155,17 @@ protected function execute(InputInterface $input, OutputInterface $output): int
     }
 
     abstract protected function getObjectCount(): int;
+
     abstract protected function processData(mixed $cursor);
+
     abstract protected function constructCursorFromInputOptions(): mixed;
+
     abstract protected function addChildProcessArguments(mixed $cursor): array;
+
     abstract protected function isChildProcess(): bool;
+
     abstract protected function iterate(): void;
+
     abstract protected function completed(): void;
 
     public function isDryRun(): bool
@@ -175,7 +188,6 @@ protected function doFork(): bool
         return $this->maxProcesses > 1;
     }
 
-
     protected function waitForAvailableProcessSlot()
     {
         if (!$this->processSlotAvailable()) {
@@ -233,7 +245,7 @@ protected function createChildProcess(mixed $cursor, int $itemCount)
             $phpBinaryFinder = new PhpExecutableFinder();
             $phpBinaryPath = $phpBinaryFinder->find();
 
-            $arguments =[
+            $arguments = [
                 $phpBinaryPath,
                 'bin/console',
                 $this->getName(),
@@ -289,5 +301,4 @@ protected function finishProgressBar()
             $this->progressBar->finish();
         }
     }
-
 }
diff --git a/src/lib/Persistence/Legacy/ContentModelGateway.php b/src/lib/Persistence/Legacy/ContentModelGateway.php
index 240ba34d..7d07baca 100644
--- a/src/lib/Persistence/Legacy/ContentModelGateway.php
+++ b/src/lib/Persistence/Legacy/ContentModelGateway.php
@@ -1,13 +1,20 @@
 <?php
 
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
 namespace Ibexa\FieldTypeRichText\Persistence\Legacy;
 
 use Doctrine\DBAL\Connection;
 
 class ContentModelGateway
 {
-    const DB_TABLE_CONTENTOBJECT_ATTRIBUTE = 'ezcontentobject_attribute';
-    const FIELD_TYPE_IDENTIFIER = 'ezrichtext';
+    public const DB_TABLE_CONTENTOBJECT_ATTRIBUTE = 'ezcontentobject_attribute';
+    public const FIELD_TYPE_IDENTIFIER = 'ezrichtext';
+
     /**
      * @var \Doctrine\DBAL\Connection
      */
@@ -31,7 +38,6 @@ public function countRichtextAttributes(): int
             )
             ->setParameter(':data_type', self::FIELD_TYPE_IDENTIFIER);
 
-
         $statement = $query->execute();
 
         return (int) $statement->fetchOne();
@@ -138,5 +144,4 @@ public function updateContentObjectAttribute($xml, $contentId, $attributeId, $ve
             ->setParameter(':languagecode', $languageCode);
         $updateQuery->execute();
     }
-
-}
\ No newline at end of file
+}