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vendor/symfony/debug-bundle/DependencyInjection/Configuration.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\DebugBundle\DependencyInjection;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+/**
+ * DebugExtension configuration structure.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class Configuration implements ConfigurationInterface
+{
+    public function getConfigTreeBuilder(): TreeBuilder
+    {
+        $treeBuilder = new TreeBuilder('debug');
+
+        $rootNode = $treeBuilder->getRootNode();
+        $rootNode
+            ->docUrl('https://symfony.com/doc/{version:major}.{version:minor}/reference/configuration/debug.html', 'symfony/debug-bundle')
+            ->children()
+                ->integerNode('max_items')
+                    ->info('Max number of displayed items past the first level, -1 means no limit.')
+                    ->min(-1)
+                    ->defaultValue(2500)
+                ->end()
+                ->integerNode('min_depth')
+                    ->info('Minimum tree depth to clone all the items, 1 is default.')
+                    ->min(0)
+                    ->defaultValue(1)
+                ->end()
+                ->integerNode('max_string_length')
+                    ->info('Max length of displayed strings, -1 means no limit.')
+                    ->min(-1)
+                    ->defaultValue(-1)
+                ->end()
+                ->scalarNode('dump_destination')
+                    ->info('A stream URL where dumps should be written to.')
+                    ->example('php://stderr, or tcp://%env(VAR_DUMPER_SERVER)% when using the "server:dump" command')
+                    ->defaultNull()
+                ->end()
+                ->enumNode('theme')
+                    ->info('Changes the color of the dump() output when rendered directly on the templating. "dark" (default) or "light".')
+                    ->example('dark')
+                    ->values(['dark', 'light'])
+                    ->defaultValue('dark')
+                ->end()
+        ;
+
+        return $treeBuilder;
+    }
+}