diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/symfony/var-dumper/Caster/DOMCaster.php b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/symfony/var-dumper/Caster/DOMCaster.php
new file mode 100644
index 0000000..4dd16e0
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/symfony/var-dumper/Caster/DOMCaster.php
@@ -0,0 +1,304 @@
+<?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\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts DOM related classes to array representation.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @final
+ */
+class DOMCaster
+{
+    private const ERROR_CODES = [
+        \DOM_PHP_ERR => 'DOM_PHP_ERR',
+        \DOM_INDEX_SIZE_ERR => 'DOM_INDEX_SIZE_ERR',
+        \DOMSTRING_SIZE_ERR => 'DOMSTRING_SIZE_ERR',
+        \DOM_HIERARCHY_REQUEST_ERR => 'DOM_HIERARCHY_REQUEST_ERR',
+        \DOM_WRONG_DOCUMENT_ERR => 'DOM_WRONG_DOCUMENT_ERR',
+        \DOM_INVALID_CHARACTER_ERR => 'DOM_INVALID_CHARACTER_ERR',
+        \DOM_NO_DATA_ALLOWED_ERR => 'DOM_NO_DATA_ALLOWED_ERR',
+        \DOM_NO_MODIFICATION_ALLOWED_ERR => 'DOM_NO_MODIFICATION_ALLOWED_ERR',
+        \DOM_NOT_FOUND_ERR => 'DOM_NOT_FOUND_ERR',
+        \DOM_NOT_SUPPORTED_ERR => 'DOM_NOT_SUPPORTED_ERR',
+        \DOM_INUSE_ATTRIBUTE_ERR => 'DOM_INUSE_ATTRIBUTE_ERR',
+        \DOM_INVALID_STATE_ERR => 'DOM_INVALID_STATE_ERR',
+        \DOM_SYNTAX_ERR => 'DOM_SYNTAX_ERR',
+        \DOM_INVALID_MODIFICATION_ERR => 'DOM_INVALID_MODIFICATION_ERR',
+        \DOM_NAMESPACE_ERR => 'DOM_NAMESPACE_ERR',
+        \DOM_INVALID_ACCESS_ERR => 'DOM_INVALID_ACCESS_ERR',
+        \DOM_VALIDATION_ERR => 'DOM_VALIDATION_ERR',
+    ];
+
+    private const NODE_TYPES = [
+        \XML_ELEMENT_NODE => 'XML_ELEMENT_NODE',
+        \XML_ATTRIBUTE_NODE => 'XML_ATTRIBUTE_NODE',
+        \XML_TEXT_NODE => 'XML_TEXT_NODE',
+        \XML_CDATA_SECTION_NODE => 'XML_CDATA_SECTION_NODE',
+        \XML_ENTITY_REF_NODE => 'XML_ENTITY_REF_NODE',
+        \XML_ENTITY_NODE => 'XML_ENTITY_NODE',
+        \XML_PI_NODE => 'XML_PI_NODE',
+        \XML_COMMENT_NODE => 'XML_COMMENT_NODE',
+        \XML_DOCUMENT_NODE => 'XML_DOCUMENT_NODE',
+        \XML_DOCUMENT_TYPE_NODE => 'XML_DOCUMENT_TYPE_NODE',
+        \XML_DOCUMENT_FRAG_NODE => 'XML_DOCUMENT_FRAG_NODE',
+        \XML_NOTATION_NODE => 'XML_NOTATION_NODE',
+        \XML_HTML_DOCUMENT_NODE => 'XML_HTML_DOCUMENT_NODE',
+        \XML_DTD_NODE => 'XML_DTD_NODE',
+        \XML_ELEMENT_DECL_NODE => 'XML_ELEMENT_DECL_NODE',
+        \XML_ATTRIBUTE_DECL_NODE => 'XML_ATTRIBUTE_DECL_NODE',
+        \XML_ENTITY_DECL_NODE => 'XML_ENTITY_DECL_NODE',
+        \XML_NAMESPACE_DECL_NODE => 'XML_NAMESPACE_DECL_NODE',
+    ];
+
+    public static function castException(\DOMException $e, array $a, Stub $stub, bool $isNested)
+    {
+        $k = Caster::PREFIX_PROTECTED.'code';
+        if (isset($a[$k], self::ERROR_CODES[$a[$k]])) {
+            $a[$k] = new ConstStub(self::ERROR_CODES[$a[$k]], $a[$k]);
+        }
+
+        return $a;
+    }
+
+    public static function castLength($dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'length' => $dom->length,
+        ];
+
+        return $a;
+    }
+
+    public static function castImplementation(\DOMImplementation $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            Caster::PREFIX_VIRTUAL.'Core' => '1.0',
+            Caster::PREFIX_VIRTUAL.'XML' => '2.0',
+        ];
+
+        return $a;
+    }
+
+    public static function castNode(\DOMNode $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'nodeName' => $dom->nodeName,
+            'nodeValue' => new CutStub($dom->nodeValue),
+            'nodeType' => new ConstStub(self::NODE_TYPES[$dom->nodeType], $dom->nodeType),
+            'parentNode' => new CutStub($dom->parentNode),
+            'childNodes' => $dom->childNodes,
+            'firstChild' => new CutStub($dom->firstChild),
+            'lastChild' => new CutStub($dom->lastChild),
+            'previousSibling' => new CutStub($dom->previousSibling),
+            'nextSibling' => new CutStub($dom->nextSibling),
+            'attributes' => $dom->attributes,
+            'ownerDocument' => new CutStub($dom->ownerDocument),
+            'namespaceURI' => $dom->namespaceURI,
+            'prefix' => $dom->prefix,
+            'localName' => $dom->localName,
+            'baseURI' => $dom->baseURI ? new LinkStub($dom->baseURI) : $dom->baseURI,
+            'textContent' => new CutStub($dom->textContent),
+        ];
+
+        return $a;
+    }
+
+    public static function castNameSpaceNode(\DOMNameSpaceNode $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'nodeName' => $dom->nodeName,
+            'nodeValue' => new CutStub($dom->nodeValue),
+            'nodeType' => new ConstStub(self::NODE_TYPES[$dom->nodeType], $dom->nodeType),
+            'prefix' => $dom->prefix,
+            'localName' => $dom->localName,
+            'namespaceURI' => $dom->namespaceURI,
+            'ownerDocument' => new CutStub($dom->ownerDocument),
+            'parentNode' => new CutStub($dom->parentNode),
+        ];
+
+        return $a;
+    }
+
+    public static function castDocument(\DOMDocument $dom, array $a, Stub $stub, bool $isNested, int $filter = 0)
+    {
+        $a += [
+            'doctype' => $dom->doctype,
+            'implementation' => $dom->implementation,
+            'documentElement' => new CutStub($dom->documentElement),
+            'actualEncoding' => $dom->actualEncoding,
+            'encoding' => $dom->encoding,
+            'xmlEncoding' => $dom->xmlEncoding,
+            'standalone' => $dom->standalone,
+            'xmlStandalone' => $dom->xmlStandalone,
+            'version' => $dom->version,
+            'xmlVersion' => $dom->xmlVersion,
+            'strictErrorChecking' => $dom->strictErrorChecking,
+            'documentURI' => $dom->documentURI ? new LinkStub($dom->documentURI) : $dom->documentURI,
+            'config' => $dom->config,
+            'formatOutput' => $dom->formatOutput,
+            'validateOnParse' => $dom->validateOnParse,
+            'resolveExternals' => $dom->resolveExternals,
+            'preserveWhiteSpace' => $dom->preserveWhiteSpace,
+            'recover' => $dom->recover,
+            'substituteEntities' => $dom->substituteEntities,
+        ];
+
+        if (!($filter & Caster::EXCLUDE_VERBOSE)) {
+            $formatOutput = $dom->formatOutput;
+            $dom->formatOutput = true;
+            $a += [Caster::PREFIX_VIRTUAL.'xml' => $dom->saveXML()];
+            $dom->formatOutput = $formatOutput;
+        }
+
+        return $a;
+    }
+
+    public static function castCharacterData(\DOMCharacterData $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'data' => $dom->data,
+            'length' => $dom->length,
+        ];
+
+        return $a;
+    }
+
+    public static function castAttr(\DOMAttr $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'name' => $dom->name,
+            'specified' => $dom->specified,
+            'value' => $dom->value,
+            'ownerElement' => $dom->ownerElement,
+            'schemaTypeInfo' => $dom->schemaTypeInfo,
+        ];
+
+        return $a;
+    }
+
+    public static function castElement(\DOMElement $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'tagName' => $dom->tagName,
+            'schemaTypeInfo' => $dom->schemaTypeInfo,
+        ];
+
+        return $a;
+    }
+
+    public static function castText(\DOMText $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'wholeText' => $dom->wholeText,
+        ];
+
+        return $a;
+    }
+
+    public static function castTypeinfo(\DOMTypeinfo $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'typeName' => $dom->typeName,
+            'typeNamespace' => $dom->typeNamespace,
+        ];
+
+        return $a;
+    }
+
+    public static function castDomError(\DOMDomError $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'severity' => $dom->severity,
+            'message' => $dom->message,
+            'type' => $dom->type,
+            'relatedException' => $dom->relatedException,
+            'related_data' => $dom->related_data,
+            'location' => $dom->location,
+        ];
+
+        return $a;
+    }
+
+    public static function castLocator(\DOMLocator $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'lineNumber' => $dom->lineNumber,
+            'columnNumber' => $dom->columnNumber,
+            'offset' => $dom->offset,
+            'relatedNode' => $dom->relatedNode,
+            'uri' => $dom->uri ? new LinkStub($dom->uri, $dom->lineNumber) : $dom->uri,
+        ];
+
+        return $a;
+    }
+
+    public static function castDocumentType(\DOMDocumentType $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'name' => $dom->name,
+            'entities' => $dom->entities,
+            'notations' => $dom->notations,
+            'publicId' => $dom->publicId,
+            'systemId' => $dom->systemId,
+            'internalSubset' => $dom->internalSubset,
+        ];
+
+        return $a;
+    }
+
+    public static function castNotation(\DOMNotation $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'publicId' => $dom->publicId,
+            'systemId' => $dom->systemId,
+        ];
+
+        return $a;
+    }
+
+    public static function castEntity(\DOMEntity $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'publicId' => $dom->publicId,
+            'systemId' => $dom->systemId,
+            'notationName' => $dom->notationName,
+            'actualEncoding' => $dom->actualEncoding,
+            'encoding' => $dom->encoding,
+            'version' => $dom->version,
+        ];
+
+        return $a;
+    }
+
+    public static function castProcessingInstruction(\DOMProcessingInstruction $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'target' => $dom->target,
+            'data' => $dom->data,
+        ];
+
+        return $a;
+    }
+
+    public static function castXPath(\DOMXPath $dom, array $a, Stub $stub, bool $isNested)
+    {
+        $a += [
+            'document' => $dom->document,
+        ];
+
+        return $a;
+    }
+}