symfony
diff --git a/‎src/Symfony/Bundle/FrameworkBundle/Command/DebugAutowiringCommand.php
Copy file name to clipboardExpand all lines: src/Symfony/Bundle/FrameworkBundle/Command/DebugAutowiringCommand.php
+13-1Lines changed: 13 additions & 1 deletion b/‎src/Symfony/Bundle/FrameworkBundle/Command/DebugAutowiringCommand.php
Copy file name to clipboardExpand all lines: src/Symfony/Bundle/FrameworkBundle/Command/DebugAutowiringCommand.php
+13-1Lines changed: 13 additions & 1 deletion
diff --git a/‎src/Symfony/Bundle/FrameworkBundle/Tests/Functional/DebugAutowiringCommandTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Bundle/FrameworkBundle/Tests/Functional/DebugAutowiringCommandTest.php
+24Lines changed: 24 additions & 0 deletions b/‎src/Symfony/Bundle/FrameworkBundle/Tests/Functional/DebugAutowiringCommandTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Bundle/FrameworkBundle/Tests/Functional/DebugAutowiringCommandTest.php
+24Lines changed: 24 additions & 0 deletions
@@ -12,6 +12,8 @@
 namespace Symfony\Bundle\FrameworkBundle\Command;
 
 use Symfony\Bundle\FrameworkBundle\Console\Descriptor\Descriptor;
+use Symfony\Component\Console\Completion\CompletionInput;
+use Symfony\Component\Console\Completion\CompletionSuggestions;
 use Symfony\Component\Console\Formatter\OutputFormatterStyle;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
@@ -81,7 +83,8 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $serviceIds = array_filter($serviceIds, [$this, 'filterToServiceTypes']);
 
         if ($search = $input->getArgument('search')) {
-            $searchNormalized = preg_replace('/[^a-zA-Z0-9\x7f-\xff]++/', '', $search);
+            $searchNormalized = preg_replace('/[^a-zA-Z0-9\x7f-\xff $]++/', '', $search);
+
             $serviceIds = array_filter($serviceIds, function ($serviceId) use ($searchNormalized) {
                 return false !== stripos(str_replace('\\', '', $serviceId), $searchNormalized) && !str_starts_with($serviceId, '.');
             });
@@ -162,4 +165,13 @@ private function getFileLink(string $class): string
 
         return (string) $this->fileLinkFormatter->format($r->getFileName(), $r->getStartLine());
     }
+
+    public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
+    {
+        if ($input->mustSuggestArgumentValuesFor('search')) {
+            $builder = $this->getContainerBuilder($this->getApplication()->getKernel());
+
+            $suggestions->suggestValues(array_filter($builder->getServiceIds(), [$this, 'filterToServiceTypes']));
+        }
+    }
 }
@@ -11,8 +11,10 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Tests\Functional;
 
+use Symfony\Bundle\FrameworkBundle\Command\DebugAutowiringCommand;
 use Symfony\Bundle\FrameworkBundle\Console\Application;
 use Symfony\Component\Console\Tester\ApplicationTester;
+use Symfony\Component\Console\Tester\CommandCompletionTester;
 
 /**
  * @group functional
@@ -109,4 +111,26 @@ public function testNotConfusedByClassAliases()
         $tester->run(['command' => 'debug:autowiring', 'search' => 'ClassAlias']);
         $this->assertStringContainsString('Symfony\Bundle\FrameworkBundle\Tests\Fixtures\ClassAliasExampleClass', $tester->getDisplay());
     }
+
+    /**
+     * @dataProvider provideCompletionSuggestions
+     */
+    public function testComplete(array $input, array $expectedSuggestions)
+    {
+        $kernel = static::bootKernel(['test_case' => 'ContainerDebug', 'root_config' => 'config.yml']);
+        $command = (new Application($kernel))->add(new DebugAutowiringCommand());
+
+        $tester = new CommandCompletionTester($command);
+
+        $suggestions = $tester->complete($input);
+
+        foreach ($expectedSuggestions as $expectedSuggestion) {
+            $this->assertContains($expectedSuggestion, $suggestions);
+        }
+    }
+
+    public function provideCompletionSuggestions(): \Generator
+    {
+        yield 'search' => [[''], ['SessionHandlerInterface', 'Psr\\Log\\LoggerInterface', 'Psr\\Container\\ContainerInterface $parameterBag']];
+    }
 }