Update

Command/GenerateDocsCommand.php

@@ -13,18 +13,18 @@
 namespace StfalconStudio\SwaggerBundle\Command;
 
 use StfalconStudio\SwaggerBundle\Generator\Generator;
+use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 
 /**
  * GenerateDocsCommand.
  */
+#[AsCommand(name: 'swagger:generate-docs', description: 'Generates swagger docs')]
 class GenerateDocsCommand extends Command
 {
-    protected static $defaultName = 'swagger:generate-docs';
-
-    private Generator $generator;
+    private readonly Generator $generator;
 
     /**
      * @param Generator $generator
@@ -42,7 +42,6 @@ public function __construct(Generator $generator)
     protected function configure(): void
     {
         $this
-            ->setDescription('Generate swagger docs')
             ->setHelp('This command generate swagger docs.')
         ;
     }

Generator/Generator.php

@@ -21,11 +21,11 @@
  */
 class Generator
 {
-    private Environment $twig;
+    private readonly Environment $twig;
 
-    private ConfigParser $configParser;
+    private readonly ConfigParser $configParser;
 
-    private string$docsFolder;
+    private readonly string $docsFolder;
 
     /**
      * @param Environment  $twig

Tests/Generator/GeneratorTest.php

@@ -26,10 +26,10 @@ final class GeneratorTest extends TestCase
     private string $docsFile = __DIR__.'/Fixtures/index.html';
 
     /** @var Environment|MockObject */
-    private $twig;
+    private Environment|MockObject $twig;
 
     /** @var ConfigParser|MockObject */
-    private $parser;
+    private ConfigParser|MockObject $parser;
 
     private Filesystem $filesystem;