From 3254c2bc0d388e80990891f3fdc4d100f95ffffd Mon Sep 17 00:00:00 2001
From: Manuel Bentele
Date: Wed, 5 May 2021 10:07:11 +0200
Subject: Update XML schema for VirtualBox virtualization configurations

---
 pom.xml                                            |    1 +
 ...alizationConfigurationVirtualboxFileFormat.java |    2 +-
 .../master-sync-shared/xml/VirtualBox-settings.xsd | 1489 -------------------
 .../virtualbox/xsd/VirtualBox-settings.xsd         | 1503 ++++++++++++++++++++
 4 files changed, 1505 insertions(+), 1490 deletions(-)
 delete mode 100644 src/main/resources/master-sync-shared/xml/VirtualBox-settings.xsd
 create mode 100644 src/main/resources/virtualbox/xsd/VirtualBox-settings.xsd

diff --git a/pom.xml b/pom.xml
index ff2d062..944b225 100644
--- a/pom.xml
+++ b/pom.xml
@@ -91,6 +91,7 @@
 					<include>libvirt/libosinfo/xml/*</include>
 					<include>libvirt/rng/*</include>
 					<include>libvirt/xsl/*</include>
+					<include>virtualbox/xsd/*</include>
 				</includes>
 			</resource>
 		</resources>
diff --git a/src/main/java/org/openslx/virtualization/configuration/VirtualizationConfigurationVirtualboxFileFormat.java b/src/main/java/org/openslx/virtualization/configuration/VirtualizationConfigurationVirtualboxFileFormat.java
index a0e1a1f..5b74e52 100644
--- a/src/main/java/org/openslx/virtualization/configuration/VirtualizationConfigurationVirtualboxFileFormat.java
+++ b/src/main/java/org/openslx/virtualization/configuration/VirtualizationConfigurationVirtualboxFileFormat.java
@@ -91,7 +91,7 @@ public class VirtualizationConfigurationVirtualboxFileFormat
 		// first validate xml
 		try {
 			SchemaFactory factory = SchemaFactory.newInstance( XMLConstants.W3C_XML_SCHEMA_NS_URI );
-			InputStream xsdStream = VirtualizationConfigurationVirtualboxFileFormat.class.getResourceAsStream( "/master-sync-shared/xml/VirtualBox-settings.xsd" );
+			InputStream xsdStream = VirtualizationConfigurationVirtualboxFileFormat.class.getResourceAsStream( "/virtualbox/xsd/VirtualBox-settings.xsd" );
 			if ( xsdStream == null ) {
 				LOGGER.warn( "Cannot validate Vbox XML: No XSD found in JAR" );
 			} else {
diff --git a/src/main/resources/master-sync-shared/xml/VirtualBox-settings.xsd b/src/main/resources/master-sync-shared/xml/VirtualBox-settings.xsd
deleted file mode 100644
index aa38646..0000000
--- a/src/main/resources/master-sync-shared/xml/VirtualBox-settings.xsd
+++ /dev/null
@@ -1,1489 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
- *  :tabSize=2:indentSize=2:noTabs=true:
- *  :folding=explicit:collapseFolds=1:
- *
- *  Oracle VM VirtualBox Settings Schema
- *  Common definitions
-
-    Copyright (C) 2004-2017 Oracle Corporation
-
-    This file is part of VirtualBox Open Source Edition (OSE), as
-    available from http://www.virtualbox.org. This file is free software;
-    you can redistribute it and/or modify it under the terms of the GNU
-    General Public License (GPL) as published by the Free Software
-    Foundation, in version 2 as it comes in the "COPYING" file of the
-    VirtualBox OSE distribution. VirtualBox OSE is distributed in the
-    hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
--->
-
-<xsd:schema
-  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
-  xmlns="http://www.virtualbox.org/"
-  xmlns:vb="http://www.virtualbox.org/"
-  targetNamespace="http://www.virtualbox.org/"
-  elementFormDefault="qualified"
->
-
-<xsd:annotation>
-  <xsd:documentation xml:lang="en">
-    Oracle VM VirtualBox Settings Schema (common definitions).
-    Copyright (c) 2004-2017 Oracle Corporation
-  </xsd:documentation>
-</xsd:annotation>
-
-<!--
-// Simple types
-/////////////////////////////////////////////////////////////////////////
--->
-
-<xsd:simpleType name="TUUID">
-  <xsd:restriction base="xsd:token">
-    <xsd:pattern value="\{[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}\}"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TNonNullUUID">
-  <xsd:restriction base="TUUID">
-    <xsd:pattern value=".*[1-9A-Fa-f]+.*"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TUInt8">
-  <xsd:union>
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:unsignedByte">
-      </xsd:restriction>
-    </xsd:simpleType>
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:string">
-        <xsd:pattern value="0[xX][A-Fa-f0-9]{1,2}"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:union>
-</xsd:simpleType>
-
-<xsd:simpleType name="TUInt16">
-  <xsd:union>
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:unsignedShort">
-      </xsd:restriction>
-    </xsd:simpleType>
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:string">
-        <xsd:pattern value="0[xX][A-Fa-f0-9]{1,4}"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:union>
-</xsd:simpleType>
-
-<xsd:simpleType name="TUInt16Hex">
-  <xsd:restriction base="xsd:string">
-    <xsd:pattern value="0x[A-Fa-f0-9]{1,4}"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TUInt16HexNoBase">
-  <xsd:restriction base="xsd:string">
-    <xsd:pattern value="[A-Fa-f0-9]{1,4}"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TUInt32Hex">
-  <xsd:restriction base="xsd:string">
-    <xsd:pattern value="0x[A-Fa-f0-9]{1,8}"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TUInt64Hex">
-  <xsd:restriction base="xsd:string">
-    <xsd:pattern value="0x[A-Fa-f0-9]{1,16}"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TLocalFile">
-  <xsd:restriction base="xsd:string">
-    <xsd:pattern value=".+"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TDeviceType">
-  <xsd:restriction base="xsd:token">
-    <xsd:enumeration value="None"/>
-    <xsd:enumeration value="Floppy"/>
-    <xsd:enumeration value="DVD"/>
-    <xsd:enumeration value="HardDisk"/>
-    <xsd:enumeration value="Network"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TMediumDeviceType">
-  <xsd:restriction base="TDeviceType">
-    <xsd:enumeration value="Floppy"/>
-    <xsd:enumeration value="DVD"/>
-    <xsd:enumeration value="HardDisk"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TMediumType">
-  <xsd:restriction base="xsd:string">
-    <xsd:enumeration value="Normal"/>
-    <xsd:enumeration value="Immutable"/>
-    <xsd:enumeration value="Writethrough"/>
-    <xsd:enumeration value="Shareable"/>
-    <xsd:enumeration value="Readonly"/>
-    <xsd:enumeration value="MultiAttach"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TMonitorCount">
-  <xsd:restriction base="xsd:unsignedInt">
-    <xsd:minInclusive value="1"/>
-    <!-- This should be in sync with VBOX_VIDEO_MAX_SCREENS in VBoxVideo.h -->
-    <xsd:maxInclusive value="64"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TUSBDeviceFilterAction">
-  <xsd:restriction base="xsd:token">
-    <xsd:enumeration value="Ignore"/>
-    <xsd:enumeration value="Hold"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TNonEmptyString">
-  <xsd:restriction base="xsd:string">
-    <xsd:pattern value=".+"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TPresentDateTimeUTC">
-  <xsd:restriction base="xsd:dateTime">
-    <xsd:minInclusive value="1900-01-01T00:00:00Z"/>
-    <xsd:maxInclusive value="199999999-12-31T23:59:59Z"/>
-    <xsd:pattern value=".+-.+-.+T.+:.+:[0-9]{2}Z"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-
-<xsd:simpleType name="TAuthType">
-  <xsd:restriction base="xsd:string">
-    <xsd:enumeration value="null"/> <!-- deprecated -->
-    <xsd:enumeration value="Null"/>
-    <xsd:enumeration value="Guest"/>
-    <xsd:enumeration value="External"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TNetworkAdapterType">
-  <xsd:restriction base="xsd:string">
-    <xsd:enumeration value="Am79C970A"/>
-    <xsd:enumeration value="Am79C973"/>
-    <xsd:enumeration value="82540EM"/>
-    <xsd:enumeration value="82543GC"/>
-    <xsd:enumeration value="82545EM"/>
-    <xsd:enumeration value="virtio"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TTriStateBoolType">
-  <xsd:restriction base="xsd:string">
-    <xsd:enumeration value="false"/>
-    <xsd:enumeration value="true"/>
-    <xsd:enumeration value="default"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TBIOSBootMenuModeType">
-  <xsd:restriction base="xsd:string">
-    <xsd:enumeration value="Disabled"/>
-    <xsd:enumeration value="MenuOnly"/>
-    <xsd:enumeration value="MessageAndMenu"/>
-    <xsd:enumeration value="messageandmenu"/> <!-- deprecated -->
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TLocalOrUTC">
-  <xsd:restriction base="xsd:token">
-    <xsd:enumeration value="local"/>
-    <xsd:enumeration value="UTC"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TClipboardMode">
-  <xsd:restriction base="xsd:string">
-    <xsd:enumeration value="Disabled"/>
-    <xsd:enumeration value="HostToGuest"/>
-    <xsd:enumeration value="GuestToHost"/>
-    <xsd:enumeration value="Bidirectional"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TDragAndDropMode">
-  <xsd:restriction base="xsd:string">
-    <xsd:enumeration value="Disabled"/>
-    <xsd:enumeration value="HostToGuest"/>
-    <xsd:enumeration value="GuestToHost"/>
-    <xsd:enumeration value="Bidirectional"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TBandwidthGroupType">
-  <xsd:restriction base="xsd:string">
-    <xsd:enumeration value="Disk"/>
-    <xsd:enumeration value="Network"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:simpleType name="TPortMode">
-  <xsd:restriction base="xsd:string">
-    <xsd:enumeration value="Disconnected"/>
-    <xsd:enumeration value="RawFile"/>
-    <xsd:enumeration value="HostPipe"/>
-    <xsd:enumeration value="HostDevice"/>
-    <xsd:enumeration value="TCP"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<!--
-// Complex types
-/////////////////////////////////////////////////////////////////////////
--->
-<xsd:complexType name="TDHCPServer">
-  <xsd:sequence>
-    <xsd:element name="Options" minOccurs="0">
-      <xsd:complexType>
-        <xsd:sequence>
-          <xsd:element name="Option" type="TDHCPOption" minOccurs="0" maxOccurs="unbounded"/>
-        </xsd:sequence>
-      </xsd:complexType>
-    </xsd:element>
-  </xsd:sequence>
-  <xsd:attribute name="networkName" type="xsd:string"  use="required"/>
-  <xsd:attribute name="lowerIP"     type="xsd:string"  use="required"/>
-  <xsd:attribute name="upperIP"     type="xsd:string"  use="required"/>
-  <xsd:attribute name="IPAddress"   type="xsd:string"  use="required"/>
-  <xsd:attribute name="networkMask" type="xsd:string"  use="required"/>
-  <xsd:attribute name="enabled"     type="xsd:boolean" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="TDHCPOption">
-  <xsd:attribute name="name" type="xsd:string" use="required"/>
-  <xsd:attribute name="value" type="xsd:string" use="required"/>
-  <xsd:attribute name="encoding" type="xsd:integer" default="0"/>
-</xsd:complexType>
-
-<xsd:complexType name="TNATNetwork">
-  <xsd:sequence>
-    <xsd:element name="PortForwarding4" minOccurs="0">
-      <xsd:complexType>
-        <xsd:sequence>
-          <xsd:element name="Forwarding" type="TNATPortForwarding" minOccurs="0" maxOccurs="unbounded"/>
-        </xsd:sequence>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="PortForwarding6" minOccurs="0">
-      <xsd:complexType>
-        <xsd:sequence>
-          <xsd:element name="Forwarding" type="TNATPortForwarding" minOccurs="0" maxOccurs="unbounded"/>
-        </xsd:sequence>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="Mappings" minOccurs="0">
-      <xsd:complexType>
-        <xsd:sequence>
-          <xsd:element name="Loopback4" type="TNATLoopback4" minOccurs="0" maxOccurs="unbounded"/>
-        </xsd:sequence>
-      </xsd:complexType>
-    </xsd:element>
-  </xsd:sequence>
-  <xsd:attribute name="networkName" type="xsd:string"  use="required"/>
-  <xsd:attribute name="enabled"     type="xsd:boolean" use="required"/>
-  <xsd:attribute name="network"     type="xsd:string"  use="required"/>
-  <xsd:attribute name="ipv6"        type="xsd:boolean" use="required"/>
-  <xsd:attribute name="ipv6prefix"  type="xsd:string"  use="required"/>
-  <xsd:attribute name="advertiseDefaultIPv6Route" type="xsd:boolean" use="required"/>
-  <xsd:attribute name="needDhcp"    type="xsd:boolean" use="required"/>
-  <xsd:attribute name="loopback6"   type="xsd:integer" default="0"/>
-</xsd:complexType>
-
-<xsd:complexType name="TNATLoopback4">
-  <xsd:attribute name="address" type="xsd:string" use="required"/>
-  <xsd:attribute name="offset" type="xsd:integer" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="TNATPortForwarding">
-  <xsd:attribute name="name" type="xsd:string" use="required"/>
-  <xsd:attribute name="proto" type="xsd:integer" use="required"/>
-  <xsd:attribute name="hostip" type="xsd:string" default=""/>
-  <xsd:attribute name="hostport" type="xsd:integer" use="required"/>
-  <xsd:attribute name="guestip" type="xsd:string" use="required"/>
-  <xsd:attribute name="guestport" type="xsd:integer" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="TProperty">
-  <xsd:attribute name="name" type="xsd:token" use="required"/>
-  <xsd:attribute name="value" type="xsd:string" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="THardDiskBase">
-  <xsd:sequence>
-    <xsd:element name="Description" type="xsd:string" minOccurs="0"/>
-    <xsd:element name="Property" type="TProperty" minOccurs="0" maxOccurs="unbounded"/>
-    <xsd:element name="HardDisk" type="TDiffHardDisk" minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-  <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
-  <xsd:attribute name="location" type="TLocalFile" use="required"/>
-  <xsd:attribute name="format" type="TNonEmptyString" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="TDiffHardDisk">
-  <xsd:complexContent>
-    <xsd:extension base="THardDiskBase">
-      <xsd:attribute name="autoReset" type="xsd:boolean" default="false"/>
-    </xsd:extension>
-  </xsd:complexContent>
-</xsd:complexType>
-
-<xsd:complexType name="THardDisk">
-  <xsd:complexContent>
-    <xsd:extension base="THardDiskBase">
-      <xsd:attribute name="type" type="TMediumType" use="required"/>
-    </xsd:extension>
-  </xsd:complexContent>
-</xsd:complexType>
-
-<xsd:complexType name="TImage2">
-  <xsd:sequence>
-    <xsd:element name="Description" type="xsd:string" minOccurs="0"/>
-  </xsd:sequence>
-  <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
-  <xsd:attribute name="location" type="TLocalFile" use="required"/>
-  <xsd:attribute name="type" type="TMediumType"/>
-</xsd:complexType>
-
-<xsd:complexType name="TImageRef">
-  <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="THostDrive">
-  <xsd:attribute name="src" type="TLocalFile" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="TUSBDeviceFilter">
-  <xsd:attribute name="name" type="TNonEmptyString" use="required"/>
-  <xsd:attribute name="active" type="xsd:boolean" use="required"/>
-  <xsd:attribute name="vendorId" type="xsd:token"/>
-  <xsd:attribute name="productId" type="xsd:token"/>
-  <xsd:attribute name="revision" type="xsd:token"/>
-  <xsd:attribute name="manufacturer" type="xsd:token"/>
-  <xsd:attribute name="product" type="xsd:token"/>
-  <xsd:attribute name="serialNumber" type="xsd:token"/>
-  <xsd:attribute name="port" type="xsd:token"/>
-  <xsd:attribute name="remote" type="xsd:token"/>
-  <xsd:attribute name="maskedInterfaces" type="xsd:unsignedInt" default="0"/>
-</xsd:complexType>
-
-<xsd:complexType name="TUSBDeviceFilters">
-  <xsd:sequence>
-    <xsd:element name="DeviceFilter" type="TUSBDeviceFilter" minOccurs="0"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="THostUSBDeviceFilter">
-  <xsd:complexContent>
-    <xsd:extension base="TUSBDeviceFilter">
-      <xsd:attribute name="action" type="TUSBDeviceFilterAction" use="required"/>
-    </xsd:extension>
-  </xsd:complexContent>
-</xsd:complexType>
-
-<xsd:complexType name="TSystemProperties">
-  <xsd:attribute name="defaultMachineFolder" type="TLocalFile"/>
-  <xsd:attribute name="defaultHardDiskFolder" type="TLocalFile"/>
-  <xsd:attribute name="defaultHardDiskFormat" type="TNonEmptyString"/>
-  <xsd:attribute name="VRDEAuthLibrary" type="TLocalFile"/>
-  <xsd:attribute name="webServiceAuthLibrary" type="TLocalFile"/>
-  <xsd:attribute name="defaultVRDELibrary" type="TLocalFile"/>
-  <xsd:attribute name="HWVirtExEnabled" type="xsd:boolean"/>
-  <xsd:attribute name="LogHistoryCount" type="xsd:unsignedInt" default="3"/>
-  <xsd:attribute name="defaultVRDEExtPack" type="xsd:string"/>
-  <xsd:attribute name="exclusiveHwVirt" type="xsd:boolean"/>
-</xsd:complexType>
-
-<xsd:complexType name="TExtraData">
-  <xsd:sequence>
-    <xsd:element name="ExtraDataItem" minOccurs="0" maxOccurs="unbounded">
-      <xsd:complexType>
-        <xsd:attribute name="name" type="xsd:token" use="required"/>
-        <xsd:attribute name="value" type="xsd:string" use="required"/>
-      </xsd:complexType>
-    </xsd:element>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TMediaRegistry">
-  <xsd:all>
-    <xsd:element name="HardDisks" minOccurs="0">
-      <xsd:complexType>
-        <xsd:sequence>
-          <xsd:element name="HardDisk" type="THardDisk" minOccurs="0" maxOccurs="unbounded"/>
-        </xsd:sequence>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="DVDImages" minOccurs="0">
-      <xsd:complexType>
-        <xsd:sequence>
-          <xsd:element name="Image" type="TImage2" minOccurs="0" maxOccurs="unbounded"/>
-        </xsd:sequence>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="FloppyImages" minOccurs="0">
-      <xsd:complexType>
-        <xsd:sequence>
-          <xsd:element name="Image" type="TImage2" minOccurs="0" maxOccurs="unbounded"/>
-        </xsd:sequence>
-      </xsd:complexType>
-    </xsd:element>
-  </xsd:all>
-</xsd:complexType>
-
-<xsd:complexType name="TGlobal">
-  <xsd:all>
-    <xsd:element name="MachineRegistry">
-      <xsd:complexType>
-        <xsd:sequence>
-          <xsd:element name="MachineEntry" minOccurs="0" maxOccurs="unbounded">
-            <xsd:complexType>
-              <xsd:attribute name="src" type="TLocalFile" use="required"/>
-              <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
-            </xsd:complexType>
-          </xsd:element>
-        </xsd:sequence>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="MediaRegistry" type="TMediaRegistry" minOccurs="0"/>
-    <xsd:element name="NetserviceRegistry" minOccurs="0">
-      <xsd:complexType>
-        <xsd:all>
-          <xsd:element name="DHCPServers" minOccurs="0">
-            <xsd:complexType>
-              <xsd:sequence>
-                <xsd:element name="DHCPServer" type="TDHCPServer" minOccurs="0" maxOccurs="unbounded"/>
-              </xsd:sequence>
-            </xsd:complexType>
-          </xsd:element>
-          <xsd:element name="NATNetworks" minOccurs="0">
-            <xsd:complexType>
-              <xsd:sequence>
-                <xsd:element name="NATNetwork" type="TNATNetwork" minOccurs="0" maxOccurs="unbounded"/>
-              </xsd:sequence>
-            </xsd:complexType>
-          </xsd:element>
-        </xsd:all>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="USBDeviceFilters">
-      <xsd:complexType>
-        <xsd:sequence>
-          <xsd:element name="DeviceFilter" type="THostUSBDeviceFilter"
-                       minOccurs="0" maxOccurs="unbounded"/>
-        </xsd:sequence>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="SystemProperties" type="TSystemProperties"/>
-    <xsd:element name="ExtraData" type="TExtraData" minOccurs="0"/>
-  </xsd:all>
-</xsd:complexType>
-
-<xsd:complexType name="THWVirtExType">
-  <xsd:attribute name="enabled" type="TTriStateBoolType"/>
-  <xsd:attribute name="exclusive" type="xsd:boolean"/>
-</xsd:complexType>
-
-<xsd:complexType name="THWVirtExNestedPagingType">
-  <xsd:attribute name="enabled" type="xsd:boolean"/>
-</xsd:complexType>
-
-<xsd:complexType name="THWVirtExVPIDType">
-  <xsd:attribute name="enabled" type="xsd:boolean"/>
-</xsd:complexType>
-
-<xsd:complexType name="THWVirtExUXType">
-  <xsd:attribute name="enabled" type="xsd:boolean"/>
-</xsd:complexType>
-
-<xsd:complexType name="TSyntheticCpuType">
-  <xsd:attribute name="enabled" type="xsd:boolean"/>
-</xsd:complexType>
-
-<xsd:complexType name="TPAEType">
-  <xsd:attribute name="enabled" type="xsd:boolean"/>
-</xsd:complexType>
-
-<xsd:complexType name="TLongModeType">
-  <xsd:attribute name="enabled" type="xsd:boolean"/>
-</xsd:complexType>
-
-<xsd:complexType name="THardwareVirtExLargePages">
-  <xsd:attribute name="enabled" type="xsd:boolean"/>
-</xsd:complexType>
-
-<xsd:complexType name="THardwareVirtForce">
-  <xsd:attribute name="enabled" type="xsd:boolean"/>
-</xsd:complexType>
-
-<xsd:simpleType name="TCPUCount">
-  <xsd:restriction base="xsd:unsignedInt">
-    <xsd:minInclusive value="1"/>
-    <xsd:maxInclusive value="32"/>
-  </xsd:restriction>
-</xsd:simpleType>
-
-<xsd:complexType name="TCpuIdLeaf">
-  <xsd:attribute name="id"        type="xsd:unsignedInt"       use="required"/>
-  <xsd:attribute name="eax"       type="xsd:unsignedInt"       use="required"/>
-  <xsd:attribute name="ebx"       type="xsd:unsignedInt"       use="required"/>
-  <xsd:attribute name="ecx"       type="xsd:unsignedInt"       use="required"/>
-  <xsd:attribute name="edx"       type="xsd:unsignedInt"       use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="TCpuIdTree">
-  <xsd:sequence>
-    <xsd:element name="CpuIdLeaf" type="TCpuIdLeaf"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TX2APIC">
-  <xsd:attribute name="enabled" type="xsd:boolean"/>
-</xsd:complexType>
-
-<xsd:complexType name="TCPU">
-  <xsd:sequence>
-    <xsd:element name="HardwareVirtEx" type="THWVirtExType" minOccurs="0"/>
-    <xsd:element name="HardwareVirtExNestedPaging" type="THWVirtExNestedPagingType" minOccurs="0"/>
-    <xsd:element name="HardwareVirtExVPID" type="THWVirtExVPIDType" minOccurs="0"/>
-    <xsd:element name="HardwareVirtExUX" type="THWVirtExUXType" minOccurs="0"/>
-    <xsd:element name="PAE" type="TPAEType" minOccurs="0"/>
-    <xsd:element name="LongMode" type="TLongModeType" minOccurs="0"/>
-    <xsd:element name="X2APIC" type="TX2APIC" minOccurs="0"/>
-    <xsd:element name="HardwareVirtExLargePages" type="THardwareVirtExLargePages" minOccurs="0"/>
-    <xsd:element name="HardwareVirtForce" type="THardwareVirtForce" minOccurs="0"/>
-    <xsd:element name="SyntheticCpu" type="TSyntheticCpuType" minOccurs="0"/>
-    <xsd:element name="CpuIdTree" type="TCpuIdTree" minOccurs="0">
-      <xsd:unique name="TCPU-CpuIdTree-CpuIdLeaf">
-        <xsd:selector xpath="vb:CpuIdLeaf"/>
-        <xsd:field xpath="@id"/>
-      </xsd:unique>
-    </xsd:element>
-  </xsd:sequence>
-  <xsd:attribute name="count" type="TCPUCount" default="1"/>
-  <xsd:attribute name="hotplug" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TBoot">
-  <xsd:sequence>
-    <xsd:element name="Order" minOccurs="0" maxOccurs="unbounded">
-      <xsd:complexType>
-        <xsd:attribute name="position" use="required">
-          <xsd:simpleType>
-            <xsd:restriction base="xsd:unsignedInt">
-              <xsd:minInclusive value="1"/>
-              <xsd:maxInclusive value="4"/>
-            </xsd:restriction>
-          </xsd:simpleType>
-        </xsd:attribute>
-        <xsd:attribute name="device" type="TDeviceType" use="required"/>
-      </xsd:complexType>
-    </xsd:element>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TDisplay">
-  <xsd:attribute name="VRAMSize" default="8">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:unsignedInt">
-        <xsd:minInclusive value="0"/>
-        <xsd:maxInclusive value="256"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="monitorCount" type="TMonitorCount" default="1"/>
-  <xsd:attribute name="MonitorCount" type="TMonitorCount"/> <!-- deprecated -->
-  <xsd:attribute name="accelerate3D" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="accelerate2DVideo" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TVideoRecording">
-  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="file" type="xsd:string"/>
-  <xsd:attribute name="horzRes">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:unsignedInt">
-        <xsd:minInclusive value="4"/>
-        <xsd:maxInclusive value="2097152"/>
-       </xsd:restriction>
-     </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="vertRes" type="xsd:unsignedInt"/>
-</xsd:complexType>
-
-<xsd:complexType name="TVideoCapture">
-  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="file" type="xsd:string"/>
-  <xsd:attribute name="screens" type="xsd:unsignedLong"/> <!-- todo: fix writing of settings (writes -1) -->
-  <xsd:attribute name="horzRes">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:unsignedInt">
-        <xsd:minInclusive value="4"/>
-        <xsd:maxInclusive value="2097152"/>
-       </xsd:restriction>
-     </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="vertRes" type="xsd:unsignedInt"/>
-  <xsd:attribute name="rate" type="xsd:unsignedInt"/>
-  <xsd:attribute name="fps" type="xsd:unsignedInt"/>
-  <xsd:attribute name="maxTime" type="xsd:unsignedInt"/>
-  <xsd:attribute name="maxSize" type="xsd:unsignedInt"/>
-  <xsd:attribute name="options" type="xsd:string"/>
-</xsd:complexType>
-
-<xsd:complexType name="TVRDEProperties">
-  <xsd:sequence>
-    <xsd:element name="Property" type="TProperty" minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TVideoChannel">
-  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="quality" type="xsd:unsignedByte" default="75"/>
-</xsd:complexType>
-
-<xsd:complexType name="TRemoteDisplay">
-  <xsd:sequence>
-    <xsd:element name="VideoChannel" type="TVideoChannel" minOccurs="0"/> <!-- deprecated -->
-    <xsd:choice minOccurs="0">
-      <xsd:element name="VRDEProperties" type="TVRDEProperties"/>
-    </xsd:choice>
-  </xsd:sequence>
-  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="port" type="xsd:string" default="3389"/> <!-- deprecated -->
-  <xsd:attribute name="authType" type="TAuthType" default="Null"/>
-  <xsd:attribute name="authTimeout" type="xsd:unsignedInt" default="5000"/>
-  <xsd:attribute name="allowMultiConnection" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="reuseSingleConnection" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TBIOS">
-  <xsd:all>
-    <xsd:element name="ACPI" minOccurs="0">
-      <xsd:complexType>
-        <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="IOAPIC" minOccurs="0">
-      <xsd:complexType>
-          <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="Logo" minOccurs="0">
-      <xsd:complexType>
-        <xsd:attribute name="fadeIn" type="xsd:boolean" default="true"/>
-        <xsd:attribute name="fadeOut" type="xsd:boolean" default="true"/>
-        <xsd:attribute name="displayTime" type="xsd:unsignedInt" default="0"/>
-        <xsd:attribute name="imagePath" type="TLocalFile"/>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="BootMenu" minOccurs="0">
-      <xsd:complexType>
-        <xsd:attribute name="mode" type="TBIOSBootMenuModeType" default="MessageAndMenu"/>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="TimeOffset" minOccurs="0">
-      <xsd:complexType>
-        <xsd:attribute name="value" type="xsd:integer" default="0"/>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="PXEDebug" minOccurs="0">
-      <xsd:complexType>
-        <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="IDEController" minOccurs="0"> <!-- deprecated -->
-      <xsd:complexType>
-        <xsd:attribute name="type">
-          <xsd:simpleType>
-            <xsd:restriction base="xsd:token">
-            <xsd:enumeration value="PIIX3"/>
-            <xsd:enumeration value="PIIX4"/>
-            <xsd:enumeration value="ICH6"/>
-            </xsd:restriction>
-          </xsd:simpleType>
-        </xsd:attribute>
-      </xsd:complexType>
-    </xsd:element>
-  </xsd:all>
-</xsd:complexType>
-
-<xsd:complexType name="TStorageControllerDevice">
-  <xsd:choice minOccurs="0">
-    <xsd:element name="Image" type="TImageRef"/>
-    <xsd:element name="HostDrive" type="THostDrive"/>
-  </xsd:choice>
-  <xsd:attribute name="type" type="TMediumDeviceType"/>
-  <xsd:attribute name="port" type="xsd:unsignedInt" default="0"/>
-  <xsd:attribute name="device" type="xsd:unsignedInt" default="0"/>
-  <xsd:attribute name="passthrough" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="tempeject" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="nonrotational" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="discard" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="hotpluggable" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TStorageController">
-  <xsd:sequence>
-    <xsd:element name="AttachedDevice" type="TStorageControllerDevice"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-  <xsd:attribute name="name" type="xsd:string" use="required"/>
-  <xsd:attribute name="type" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:token">
-      <xsd:enumeration value="AHCI"/>
-      <xsd:enumeration value="LsiLogic"/>
-      <xsd:enumeration value="BusLogic"/>
-      <xsd:enumeration value="PIIX3"/>
-      <xsd:enumeration value="PIIX4"/>
-      <xsd:enumeration value="ICH6"/>
-      <xsd:enumeration value="LsiLogicSas"/>
-      <xsd:enumeration value="I82078"/>
-      <xsd:enumeration value="USB"/>
-      <xsd:enumeration value="NVMe"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="PortCount"   type="xsd:unsignedInt" use="required"/>
-  <xsd:attribute name="useHostIOCache" type="xsd:boolean"  use="optional" default="true"/>
-  <xsd:attribute name="Bootable"    type="xsd:boolean"     use="optional"/>
-  <xsd:attribute name="PCIBus"      type="xsd:unsignedInt" use="optional"/>
-  <xsd:attribute name="PCIDevice"   type="xsd:unsignedInt" use="optional"/>
-  <xsd:attribute name="PCIFunction" type="xsd:unsignedInt" use="optional"/>
-  <xsd:attribute name="IDE0MasterEmulationPort" type="xsd:unsignedInt" use="optional"/>
-  <xsd:attribute name="IDE0SlaveEmulationPort"  type="xsd:unsignedInt" use="optional"/>
-  <xsd:attribute name="IDE1MasterEmulationPort" type="xsd:unsignedInt" use="optional"/>
-  <xsd:attribute name="IDE1SlaveEmulationPort"  type="xsd:unsignedInt" use="optional"/>
-</xsd:complexType>
-
-<xsd:complexType name="TSATAController"> <!-- deprecated -->
-  <xsd:sequence>
-    <xsd:element name="AttachedDevice" type="TStorageControllerDevice"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-  <xsd:attribute name="enabled"     type="xsd:boolean"     default="false"/>
-  <xsd:attribute name="PortCount"   type="xsd:unsignedInt" use="required"/>
-  <xsd:attribute name="IDE0MasterEmulationPort" type="xsd:unsignedInt" use="optional"/>
-  <xsd:attribute name="IDE0SlaveEmulationPort"  type="xsd:unsignedInt" use="optional"/>
-  <xsd:attribute name="IDE1MasterEmulationPort" type="xsd:unsignedInt" use="optional"/>
-  <xsd:attribute name="IDE1SlaveEmulationPort"  type="xsd:unsignedInt" use="optional"/>
-</xsd:complexType>
-
-<xsd:complexType name="TStorageControllers">
-  <xsd:sequence>
-    <xsd:element name="StorageController" type="TStorageController"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="THardDiskAttachment">
-  <xsd:attribute name="hardDisk" type="TNonNullUUID"/>
-  <xsd:attribute name="bus" default="IDE">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:token">
-        <xsd:enumeration value="IDE"/>
-        <xsd:enumeration value="SATA"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="channel" type="xsd:unsignedInt" default="0"/>
-  <xsd:attribute name="device" type="xsd:unsignedInt" default="0"/>
-</xsd:complexType>
-
-<xsd:complexType name="THardDiskAttachments"> <!-- deprecated -->
-  <xsd:sequence>
-    <xsd:element name="HardDiskAttachment" type="THardDiskAttachment"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TDVDDrive">
-  <xsd:choice minOccurs="0">
-    <xsd:element name="Image" type="TImageRef"/>
-    <xsd:element name="HostDrive" type="THostDrive"/>
-  </xsd:choice>
-  <xsd:attribute name="passthrough" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TFloppyDrive">
-  <xsd:choice minOccurs="0">
-    <xsd:element name="Image" type="TImageRef"/>
-    <xsd:element name="HostDrive" type="THostDrive"/>
-  </xsd:choice>
-  <xsd:attribute name="enabled" type="xsd:boolean" default="true"/>
-</xsd:complexType>
-
-<xsd:complexType name="TUSBController">
-  <xsd:sequence>
-    <xsd:element name="DeviceFilter" type="TUSBDeviceFilter"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-  <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
-  <xsd:attribute name="enabledEhci" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TUSBController2">
-  <xsd:attribute name="name" type="xsd:string" use="required"/>
-  <xsd:attribute name="type" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:token">
-      <xsd:enumeration value="OHCI"/>
-      <xsd:enumeration value="EHCI"/>
-      <xsd:enumeration value="XHCI"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-</xsd:complexType>
-
-<xsd:complexType name="TUSBControllers">
-  <xsd:sequence>
-    <xsd:element name="Controller" type="TUSBController2"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TUSB">
-  <xsd:sequence>
-    <xsd:element name="Controllers" type="TUSBControllers" minOccurs="0"/>
-    <xsd:element name="DeviceFilters" type="TUSBDeviceFilters" minOccurs="0"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-
-<xsd:complexType name="TAudioAdapter">
-  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="controller" default="AC97">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:token">
-        <xsd:enumeration value="AC97"/>
-        <xsd:enumeration value="SB16"/>
-        <xsd:enumeration value="HDA"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="driver" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:token">
-        <xsd:enumeration value="null"/> <!-- deprecated -->
-        <xsd:enumeration value="Null"/> <!-- all platforms -->
-        <xsd:enumeration value="OSS"/> <!-- Linux, Solaris, FreeBSD -->
-        <xsd:enumeration value="ALSA"/> <!-- Linux, FreeBSD -->
-        <xsd:enumeration value="Pulse"/> <!-- Linux -->
-        <xsd:enumeration value="CoreAudio"/> <!-- Mac OS X -->
-        <xsd:enumeration value="MMPM"/> <!-- OS/2 -->
-        <xsd:enumeration value="SolAudio"/> <!-- Solaris -->
-        <xsd:enumeration value="WinMM"/> <!-- Windows -->
-        <xsd:enumeration value="DirectSound"/> <!-- Windows -->
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-</xsd:complexType>
-
-<xsd:complexType name="TNetNAT">
-  <xsd:choice minOccurs="0" maxOccurs="unbounded">
-    <xsd:element name="DNS" minOccurs="0">
-      <xsd:complexType>
-        <xsd:attribute name="pass-domain" type="xsd:boolean" default="true"/>
-        <xsd:attribute name="use-proxy" type="xsd:boolean" default="false"/>
-        <xsd:attribute name="use-host-resolver" type="xsd:boolean" default="false"/>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="Alias" minOccurs="0">
-      <xsd:complexType>
-        <xsd:attribute name="logging" type="xsd:boolean" default="false"/>
-        <xsd:attribute name="proxy-only" type="xsd:boolean" default="false"/>
-        <xsd:attribute name="use-same-ports" type="xsd:boolean" default="false"/>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="TFTP" minOccurs="0">
-      <xsd:complexType>
-        <xsd:attribute name="prefix" type="xsd:string"/>
-        <xsd:attribute name="boot-file" type="xsd:string"/>
-        <xsd:attribute name="next-server" type="xsd:string"/>
-      </xsd:complexType>
-    </xsd:element>
-    <xsd:element name="Forwarding" minOccurs="0" maxOccurs="unbounded">
-      <xsd:complexType>
-        <xsd:attribute name="name" type="xsd:string"/>
-        <xsd:attribute name="proto" type="xsd:unsignedInt"/>
-        <xsd:attribute name="hostip" type="xsd:string"/>
-        <xsd:attribute name="hostport" type="xsd:unsignedInt"/>
-        <xsd:attribute name="guestip" type="xsd:string"/>
-        <xsd:attribute name="guestport" type="xsd:unsignedInt"/>
-      </xsd:complexType>
-    </xsd:element>
-  </xsd:choice>
-  <xsd:attribute name="network" type="xsd:string"/>
-  <xsd:attribute name="hostip" type="xsd:string"/>
-  <xsd:attribute name="mtu" type="xsd:unsignedInt"/>
-  <xsd:attribute name="sockrcv" type="xsd:unsignedInt"/>
-  <xsd:attribute name="socksnd" type="xsd:unsignedInt"/>
-  <xsd:attribute name="tcprcv" type="xsd:unsignedInt"/>
-  <xsd:attribute name="tcpsnd" type="xsd:unsignedInt"/>
-</xsd:complexType>
-
-<xsd:complexType name="TNetNATNetwork">
-  <xsd:attribute name="name" type="xsd:string"/>
-</xsd:complexType>
-
-<xsd:complexType name="TNetBridged">
-  <xsd:attribute name="name" type="xsd:string"/>
-</xsd:complexType>
-
-<xsd:complexType name="TNetInternal">
-  <xsd:attribute name="name" type="xsd:string"/>
-</xsd:complexType>
-
-<xsd:complexType name="TNetHostOnly">
-  <xsd:attribute name="name" type="xsd:string"/>
-</xsd:complexType>
-
-<xsd:complexType name="TNetGeneric">
-  <xsd:sequence>
-    <xsd:element name="Property" type="TProperty" minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-  <xsd:attribute name="driver" type="xsd:string" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="TNetworkConfig">
-  <xsd:choice maxOccurs="2">
-    <xsd:choice minOccurs="0">
-      <xsd:element name="NAT" type="TNetNAT"/>
-      <xsd:element name="NATNetwork" type="TNetNATNetwork"/>
-      <xsd:element name="HostInterface" type="TNetBridged"/>
-      <xsd:element name="BridgedInterface" type="TNetBridged"/>
-      <xsd:element name="InternalNetwork" type="TNetInternal"/>
-      <xsd:element name="HostOnlyInterface" type="TNetHostOnly"/>
-      <xsd:element name="GenericInterface" type="TNetGeneric"/>
-    </xsd:choice>
-    <xsd:element name="DisabledModes">
-      <xsd:complexType>
-        <xsd:all>
-          <xsd:element name="NAT" type="TNetNAT" minOccurs="0"/>
-          <xsd:element name="NATNetwork" type="TNetNATNetwork" minOccurs="0"/>
-          <xsd:element name="HostInterface" type="TNetBridged" minOccurs="0"/>
-          <xsd:element name="BridgedInterface" type="TNetBridged" minOccurs="0"/>
-          <xsd:element name="InternalNetwork" type="TNetInternal" minOccurs="0"/>
-          <xsd:element name="HostOnlyInterface" type="TNetHostOnly" minOccurs="0"/>
-          <xsd:element name="GenericInterface" type="TNetGeneric" minOccurs="0"/>
-        </xsd:all>
-      </xsd:complexType>
-    </xsd:element>
-  </xsd:choice>
-</xsd:complexType>
-
-<xsd:complexType name="TNetworkAdapter">
-  <xsd:complexContent>
-    <xsd:extension base="TNetworkConfig">
-      <xsd:attribute name="type" type="TNetworkAdapterType" default="Am79C973"/>
-      <xsd:attribute name="slot" type="xsd:unsignedInt" use="required"/>
-      <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-      <xsd:attribute name="MACAddress">
-        <xsd:simpleType>
-          <xsd:restriction base="xsd:hexBinary">
-            <xsd:pattern value="[0-9A-Fa-f][02468ACEace][0-9A-Fa-f]{10}"/>
-          </xsd:restriction>
-        </xsd:simpleType>
-      </xsd:attribute>
-      <xsd:attribute name="cable" type="xsd:boolean" default="true"/>
-      <xsd:attribute name="speed" type="xsd:unsignedInt" default="1000000"/>
-      <xsd:attribute name="bootPriority" type="xsd:unsignedInt"/>
-      <xsd:attribute name="trace" type="xsd:boolean" default="false"/>
-      <xsd:attribute name="tracefile" type="xsd:string"/>
-      <xsd:attribute name="bandwidthGroup" type="xsd:string"/>
-      <xsd:attribute name="promiscuousModePolicy" default="Deny">
-        <xsd:simpleType>
-          <xsd:restriction base="xsd:token">
-            <xsd:enumeration value="Deny"/>
-            <xsd:enumeration value="AllowNetwork"/>
-            <xsd:enumeration value="AllowAll"/>
-          </xsd:restriction>
-        </xsd:simpleType>
-      </xsd:attribute>
-    </xsd:extension>
-  </xsd:complexContent>
-</xsd:complexType>
-
-<xsd:complexType name="TNetwork">
-  <xsd:sequence>
-    <xsd:element name="Adapter" type="TNetworkAdapter"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TUARTPort">
-  <xsd:attribute name="slot" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:unsignedInt">
-        <xsd:minInclusive value="0"/>
-        <xsd:maxExclusive value="4"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
-  <xsd:attribute name="IRQ" type="TUInt8" use="required"/>
-  <xsd:attribute name="IOBase" type="TUInt16" use="required"/>
-  <xsd:attribute name="hostMode" type="TPortMode" use="required"/>
-  <xsd:attribute name="path" type="TLocalFile"/>
-  <xsd:attribute name="server" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TUART">
-  <xsd:sequence>
-    <xsd:element name="Port" type="TUARTPort"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TUartPort"> <!-- deprecated -->
-  <xsd:attribute name="slot" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:unsignedInt">
-        <xsd:minInclusive value="0"/>
-        <xsd:maxExclusive value="4"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
-  <xsd:attribute name="IRQ" type="TUInt8" use="required"/>
-  <xsd:attribute name="IOBase" type="TUInt16HexNoBase" use="required"/>
-  <xsd:attribute name="hostMode" type="TPortMode" use="required"/>
-  <xsd:attribute name="path" type="TLocalFile"/>
-  <xsd:attribute name="server" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TUart"> <!-- deprecated -->
-  <xsd:sequence>
-    <xsd:element name="Port" type="TUartPort"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TLPTPort">
-  <xsd:attribute name="slot" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:unsignedInt">
-        <xsd:minInclusive value="0"/>
-        <xsd:maxExclusive value="2"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
-  <xsd:attribute name="IRQ" type="TUInt8" use="required"/>
-  <xsd:attribute name="IOBase" type="TUInt16" use="required"/>
-  <xsd:attribute name="path" type="TLocalFile"/>
-</xsd:complexType>
-
-<xsd:complexType name="TLPT">
-  <xsd:sequence>
-    <xsd:element name="Port" type="TLPTPort"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TLptPort"> <!-- deprecated -->
-  <xsd:attribute name="slot" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:unsignedInt">
-        <xsd:minInclusive value="0"/>
-        <xsd:maxExclusive value="2"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
-  <xsd:attribute name="IRQ" type="TUInt8" use="required"/>
-  <xsd:attribute name="IOBase" type="TUInt16HexNoBase" use="required"/>
-  <xsd:attribute name="path" type="TLocalFile"/>
-</xsd:complexType>
-
-<xsd:complexType name="TLpt">
-  <xsd:sequence>
-    <xsd:element name="Port" type="TLptPort"
-                 minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TRTC">
-  <xsd:attribute name="localOrUTC" type="TLocalOrUTC" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="TSharedFolder">
-  <xsd:attribute name="name" type="TNonEmptyString" use="required"/>
-  <xsd:attribute name="hostPath" type="TLocalFile" use="required"/>
-  <xsd:attribute name="writable" type="xsd:boolean" default="true"/>
-  <xsd:attribute name="autoMount" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TSharedFolders">
-  <xsd:sequence>
-    <xsd:element name="SharedFolder" type="TSharedFolder" minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TClipboard">
-  <xsd:attribute name="mode" type="TClipboardMode" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="TDragAndDrop">
-  <xsd:attribute name="mode" type="TDragAndDropMode" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="TIoCache">
-  <xsd:attribute name="enabled" type="xsd:boolean" default="true"/>
-  <xsd:attribute name="size" type="xsd:unsignedLong"/>
-</xsd:complexType>
-
-<xsd:complexType name="TBandwidthGroup">
-  <xsd:attribute name="name" type="xsd:token" use="required"/>
-  <xsd:attribute name="type" type="TBandwidthGroupType" use="required"/>
-  <xsd:attribute name="maxBytesPerSec" type="xsd:unsignedLong"/>
-  <xsd:attribute name="maxMbPerSec" type="xsd:unsignedLong"/>
-</xsd:complexType>
-
-<xsd:complexType name="TBandwidthGroups">
-  <xsd:sequence>
-    <xsd:element name="BandwidthGroup" type="TBandwidthGroup" minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TIO">
-  <xsd:sequence>
-    <xsd:element name="IoCache" type="TIoCache" minOccurs="0"/>
-    <xsd:element name="BandwidthGroups" type="TBandwidthGroups" minOccurs="0"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="THostPciDevice">
-  <xsd:attribute name="host" type="xsd:unsignedInt" use="required"/>
-  <xsd:attribute name="guest" type="xsd:unsignedInt" use="required"/>
-  <xsd:attribute name="name" type="xsd:token"/>
-</xsd:complexType>
-
-<xsd:complexType name="THostPciDevices">
-  <xsd:sequence>
-    <xsd:element name="Device" type="THostPciDevice" minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="THostPci">
-  <xsd:sequence>
-    <xsd:element name="Devices" type="THostPciDevices" minOccurs="0"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TCardReader">
-  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TWebcam">
-  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TEmulatedUSB">
-  <xsd:sequence>
-    <xsd:element name="CardReader" type="TCardReader" minOccurs="0"/>
-    <xsd:element name="Webcam" type="TWebcam" minOccurs="0"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TGuest">
-  <xsd:attribute name="memoryBalloonSize"        type="xsd:unsignedInt" default="0"/>
-  <xsd:attribute name="MemoryBalloonSize"        type="xsd:unsignedInt" default="0"/> <!-- deprecated -->
-  <xsd:attribute name="statisticsUpdateInterval" type="xsd:unsignedInt" default="0"/>
-  <xsd:attribute name="StatisticsUpdateInterval" type="xsd:unsignedInt" default="0"/> <!-- deprecated -->
-</xsd:complexType>
-
-<xsd:complexType name="TGuestProperty">
-  <xsd:attribute name="name"      type="xsd:string"       use="required"/>
-  <xsd:attribute name="value"     type="xsd:string"       use="required"/>
-  <xsd:attribute name="timestamp" type="xsd:unsignedLong" default="0"/>
-  <xsd:attribute name="flags"     type="xsd:string"       default=""/>
-</xsd:complexType>
-
-<xsd:complexType name="TGuestProperties">
-  <xsd:sequence>
-    <xsd:element name="GuestProperty" type="TGuestProperty" minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-  <xsd:attribute name="notificationPatterns" type="xsd:string" default=""/>
-</xsd:complexType>
-
-<xsd:complexType name="TMemory">
-  <xsd:attribute name="RAMSize" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:unsignedInt">
-        <xsd:minInclusive value="4"/>
-        <xsd:maxInclusive value="2097152"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="PageFusion" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TFirmware">
-  <xsd:attribute name="type" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:token">
-        <xsd:enumeration value="BIOS"/>
-        <xsd:enumeration value="EFI"/>
-        <xsd:enumeration value="EFI32"/>
-        <xsd:enumeration value="EFI64"/>
-        <xsd:enumeration value="EFIDUAL"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-</xsd:complexType>
-
-<xsd:complexType name="THID">
-  <xsd:attribute name="Pointing" default="PS2Mouse">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:token">
-        <xsd:enumeration value="USBMouse"/>
-        <xsd:enumeration value="USBTablet"/>
-        <xsd:enumeration value="PS2Mouse"/>
-        <xsd:enumeration value="ComboMouse"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="Keyboard" default="PS2Keyboard">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:token">
-        <xsd:enumeration value="USBKeyboard"/>
-        <xsd:enumeration value="PS2Keyboard"/>
-        <xsd:enumeration value="ComboKeyboard"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-</xsd:complexType>
-
-<xsd:complexType name="THPET">
-  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-</xsd:complexType>
-
-<xsd:complexType name="TChipset">
-  <xsd:attribute name="type" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:token">
-        <xsd:enumeration value="PIIX3"/>
-        <xsd:enumeration value="ICH9"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-</xsd:complexType>
-
-<xsd:complexType name="TParavirt">
-  <xsd:attribute name="provider" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:token">
-        <xsd:enumeration value="None"/>
-        <xsd:enumeration value="Default"/>
-        <xsd:enumeration value="Legacy"/>
-        <xsd:enumeration value="Minimal"/>
-        <xsd:enumeration value="HyperV"/>
-        <xsd:enumeration value="KVM"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="debug" type="xsd:string"/>
-</xsd:complexType>
-
-<xsd:complexType name="TTeleporter">
-  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="port" type="xsd:unsignedShort"/>
-  <xsd:attribute name="address" type="xsd:string"/>
-  <xsd:attribute name="password" type="xsd:string"/>
-</xsd:complexType>
-
-<xsd:complexType name="TFaultTolerance">
-  <xsd:attribute name="state" use="required">
-    <xsd:simpleType>
-      <xsd:restriction base="xsd:token">
-        <xsd:enumeration value="inactive"/>
-        <xsd:enumeration value="master"/>
-        <xsd:enumeration value="standby"/>
-      </xsd:restriction>
-    </xsd:simpleType>
-  </xsd:attribute>
-  <xsd:attribute name="port" type="xsd:unsignedShort"/>
-  <xsd:attribute name="address" type="xsd:string"/>
-  <xsd:attribute name="interval" type="xsd:unsignedInt"/>
-  <xsd:attribute name="password" type="xsd:string"/>
-</xsd:complexType>
-
-<xsd:complexType name="THardware">
-  <xsd:all>
-    <xsd:element name="CPU" type="TCPU" minOccurs="0"/>
-    <xsd:element name="Memory" type="TMemory"/>
-    <xsd:element name="Firmware" type="TFirmware" minOccurs="0"/>
-    <xsd:element name="HID" type="THID" minOccurs="0"/>
-    <xsd:element name="HPET" type="THPET" minOccurs="0"/>
-    <xsd:element name="Chipset" type="TChipset" minOccurs="0"/>
-    <xsd:element name="Paravirt" type="TParavirt" minOccurs="0"/>
-    <xsd:element name="Boot" type="TBoot" minOccurs="0">
-      <xsd:unique name="THardware-Boot-Order">
-        <xsd:selector xpath="vb:Order"/>
-        <xsd:field xpath="@position"/>
-      </xsd:unique>
-    </xsd:element>
-    <xsd:element name="Display" type="TDisplay" minOccurs="0"/>
-    <xsd:element name="VideoRecording" type="TVideoRecording" minOccurs="0"/>
-    <xsd:element name="VideoCapture" type="TVideoCapture" minOccurs="0"/>
-    <xsd:element name="RemoteDisplay" type="TRemoteDisplay" minOccurs="0"/>
-    <xsd:element name="BIOS" type="TBIOS" minOccurs="0"/>
-    <xsd:element name="DVDDrive" type="TDVDDrive" minOccurs="0"/>
-    <xsd:element name="FloppyDrive" type="TFloppyDrive" minOccurs="0"/>
-    <xsd:element name="USBController" type="TUSBController" minOccurs="0"/>
-    <xsd:element name="USB" type="TUSB" minOccurs="0"/>
-    <xsd:element name="SATAController" type="TSATAController" minOccurs="0"/> <!-- deprecated -->
-    <xsd:element name="Network" type="TNetwork" minOccurs="0">
-      <xsd:unique name="THardware-Network-Adapter">
-        <xsd:selector xpath="vb:Adapter"/>
-        <xsd:field xpath="@slot"/>
-      </xsd:unique>
-    </xsd:element>
-    <xsd:element name="UART" type="TUART" minOccurs="0">
-      <xsd:unique name="THardware-UART-Port">
-        <xsd:selector xpath="vb:Port"/>
-        <xsd:field xpath="@slot"/>
-      </xsd:unique>
-    </xsd:element>
-    <xsd:element name="Uart" type="TUart" minOccurs="0"> <!-- deprecated -->
-      <xsd:unique name="THardware-Uart-Port">
-        <xsd:selector xpath="vb:Port"/>
-        <xsd:field xpath="@slot"/>
-      </xsd:unique>
-    </xsd:element>
-    <xsd:element name="LPT" type="TLPT" minOccurs="0">
-      <xsd:unique name="THardware-LPT-Port">
-        <xsd:selector xpath="vb:Port"/>
-        <xsd:field xpath="@slot"/>
-      </xsd:unique>
-    </xsd:element>
-    <xsd:element name="Lpt" type="TLpt" minOccurs="0"> <!-- deprecated -->
-      <xsd:unique name="THardware-Lpt-Port">
-        <xsd:selector xpath="vb:Port"/>
-        <xsd:field xpath="@slot"/>
-      </xsd:unique>
-    </xsd:element>
-    <xsd:element name="AudioAdapter" type="TAudioAdapter" minOccurs="0"/>
-    <xsd:element name="RTC" type="TRTC" minOccurs="0"/>
-    <xsd:element name="SharedFolders" type="TSharedFolders" minOccurs="0">
-      <xsd:unique name="THardware-SharedFolders-SharedFolder">
-        <xsd:selector xpath="vb:SharedFolder"/>
-        <xsd:field xpath="@name"/>
-      </xsd:unique>
-    </xsd:element>
-    <xsd:element name="Clipboard" type="TClipboard" minOccurs="0"/>
-    <xsd:element name="DragAndDrop" type="TDragAndDrop" minOccurs="0"/>
-    <xsd:element name="IO" type="TIO" minOccurs="0"/>
-    <xsd:element name="HostPci" type="THostPci" minOccurs="0"/>
-    <xsd:element name="EmulatedUSB" type="TEmulatedUSB" minOccurs="0"/>
-    <xsd:element name="Guest" type="TGuest" minOccurs="0"/>
-    <xsd:element name="GuestProperties" type="TGuestProperties" minOccurs="0">
-      <xsd:unique name="THardware-GuestProperties-GuestProperty">
-        <xsd:selector xpath="vb:GuestProperty"/>
-        <xsd:field xpath="@name"/>
-      </xsd:unique>
-    </xsd:element>
-    <xsd:element name="StorageControllers" type="TStorageControllers" minOccurs="0"/>
-  </xsd:all>
-  <xsd:attribute name="version" type="xsd:string" default="2"/>
-  <xsd:attribute name="uuid" type="TNonNullUUID" use="optional"/>
-</xsd:complexType>
-
-<xsd:complexType name="TGroup">
-  <xsd:attribute name="name" type="xsd:string" use="required"/>
-</xsd:complexType>
-
-<xsd:complexType name="TGroups">
-  <xsd:sequence>
-    <xsd:element name="Group" type="TGroup" minOccurs="0" maxOccurs="unbounded"/>
-  </xsd:sequence>
-</xsd:complexType>
-
-<xsd:complexType name="TMachine">
-  <xsd:all>
-    <xsd:element name="MediaRegistry" type="TMediaRegistry" minOccurs="0"/>
-    <xsd:element name="Description" type="xsd:string" minOccurs="0"/>
-    <xsd:element name="Teleporter" type="TTeleporter" minOccurs="0"/>
-    <xsd:element name="FaultTolerance" type="TFaultTolerance" minOccurs="0"/>
-    <xsd:element name="Hardware" type="THardware"/>
-    <xsd:element name="StorageControllers" type="TStorageControllers" minOccurs="0"/>
-    <xsd:element name="HardDiskAttachments" type="THardDiskAttachments" minOccurs="0"/> <!-- deprecated -->
-    <xsd:element name="Groups" type="TGroups" minOccurs="0"/>
-    <xsd:element name="ExtraData" type="TExtraData" minOccurs="0"/>
-    <xsd:element name="Snapshot" type="TSnapshot" minOccurs="0"/>
-  </xsd:all>
-  <xsd:attribute name="name" type="TNonEmptyString" use="required"/>
-  <xsd:attribute name="nameSync" type="xsd:boolean" default="true"/>
-  <xsd:attribute name="directoryIncludesUUID" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="OSType" type="TNonEmptyString" use="required"/>
-  <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
-  <xsd:attribute name="stateFile" type="TLocalFile"/>
-  <xsd:attribute name="currentSnapshot" type="TNonNullUUID"/>
-  <xsd:attribute name="snapshotFolder" type="TLocalFile"/>
-  <xsd:attribute name="lastStateChange" type="TPresentDateTimeUTC"/>
-  <xsd:attribute name="aborted" type="xsd:boolean" default="false"/>
-  <xsd:attribute name="currentStateModified" type="xsd:boolean" default="true"/>
-  <xsd:attribute name="version" type="xsd:string" default="1.15"/> <!-- Used for OVF files only, must not be present in normal settings files. The default corresponds to settings created by 5.0, which covers many older versions but not newer ones. -->
-</xsd:complexType>
-
-<xsd:complexType name="TSnapshot">
-  <xsd:all>
-    <xsd:element name="Description" type="xsd:string" minOccurs="0"/>
-    <xsd:element name="Hardware" type="THardware"/>
-    <xsd:element name="StorageControllers" type="TStorageControllers" minOccurs="0"/>
-    <xsd:element name="Snapshots" minOccurs="0">
-      <xsd:complexType>
-        <xsd:sequence>
-          <xsd:element name="Snapshot" type="TSnapshot" minOccurs="0" maxOccurs="unbounded"/>
-        </xsd:sequence>
-      </xsd:complexType>
-    </xsd:element>
-  </xsd:all>
-  <xsd:attribute name="name" type="xsd:token" use="required"/>
-  <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
-  <xsd:attribute name="timeStamp" type="TPresentDateTimeUTC" use="required"/>
-  <xsd:attribute name="stateFile" type="TLocalFile"/>
-</xsd:complexType>
-
-<xsd:complexType name="TVirtualBox">
-  <xsd:choice>
-    <xsd:element name="Global" type="TGlobal"/>
-    <xsd:element name="Machine" type="TMachine">
-      <!-- @currentSnapshot must refer to an existing Snapshot/@uuid -->
-      <xsd:key name="snapshot">
-        <xsd:selector xpath=".//vb:Snapshot"/>
-        <xsd:field xpath="@uuid"/>
-      </xsd:key>
-      <xsd:keyref name="currentSnapshot" refer="vb:snapshot">
-        <xsd:selector xpath="."/>
-        <xsd:field xpath="@currentSnapshot"/>
-      </xsd:keyref>
-    </xsd:element>
-  </xsd:choice>
-  <xsd:attribute name="version" type="xsd:string" use="required"/>
-</xsd:complexType>
-
-<!-- Root element for all VirtualBox config files -->
-<xsd:element name="VirtualBox" type="TVirtualBox"/>
-
-</xsd:schema>
diff --git a/src/main/resources/virtualbox/xsd/VirtualBox-settings.xsd b/src/main/resources/virtualbox/xsd/VirtualBox-settings.xsd
new file mode 100644
index 0000000..396cc14
--- /dev/null
+++ b/src/main/resources/virtualbox/xsd/VirtualBox-settings.xsd
@@ -0,0 +1,1503 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ *  :tabSize=2:indentSize=2:noTabs=true:
+ *  :folding=explicit:collapseFolds=1:
+ *
+ *  Oracle VM VirtualBox Settings Schema
+ *  Common definitions
+
+    Copyright (C) 2004-2020 Oracle Corporation
+
+    This file is part of VirtualBox Open Source Edition (OSE), as
+    available from http://www.virtualbox.org. This file is free software;
+    you can redistribute it and/or modify it under the terms of the GNU
+    General Public License (GPL) as published by the Free Software
+    Foundation, in version 2 as it comes in the "COPYING" file of the
+    VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+    hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+-->
+
+<xsd:schema
+  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+  xmlns="http://www.virtualbox.org/"
+  xmlns:vb="http://www.virtualbox.org/"
+  targetNamespace="http://www.virtualbox.org/"
+  elementFormDefault="qualified"
+>
+
+<xsd:annotation>
+  <xsd:documentation xml:lang="en">
+    Oracle VM VirtualBox Settings Schema (common definitions).
+    Copyright (c) 2004-2020 Oracle Corporation
+  </xsd:documentation>
+</xsd:annotation>
+
+<!--
+// Simple types
+/////////////////////////////////////////////////////////////////////////
+-->
+
+<xsd:simpleType name="TUUID">
+  <xsd:restriction base="xsd:token">
+    <xsd:pattern value="\{[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}\}"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TNonNullUUID">
+  <xsd:restriction base="TUUID">
+    <xsd:pattern value=".*[1-9A-Fa-f]+.*"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TUInt8">
+  <xsd:union>
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:unsignedByte">
+      </xsd:restriction>
+    </xsd:simpleType>
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:string">
+        <xsd:pattern value="0[xX][A-Fa-f0-9]{1,2}"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:union>
+</xsd:simpleType>
+
+<xsd:simpleType name="TUInt16">
+  <xsd:union>
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:unsignedShort">
+      </xsd:restriction>
+    </xsd:simpleType>
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:string">
+        <xsd:pattern value="0[xX][A-Fa-f0-9]{1,4}"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:union>
+</xsd:simpleType>
+
+<xsd:simpleType name="TUInt16Hex">
+  <xsd:restriction base="xsd:string">
+    <xsd:pattern value="0x[A-Fa-f0-9]{1,4}"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TUInt16HexNoBase">
+  <xsd:restriction base="xsd:string">
+    <xsd:pattern value="[A-Fa-f0-9]{1,4}"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TUInt32Hex">
+  <xsd:restriction base="xsd:string">
+    <xsd:pattern value="0x[A-Fa-f0-9]{1,8}"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TUInt64Hex">
+  <xsd:restriction base="xsd:string">
+    <xsd:pattern value="0x[A-Fa-f0-9]{1,16}"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TLocalFile">
+  <xsd:restriction base="xsd:string">
+    <xsd:pattern value=".+"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TDeviceType">
+  <xsd:restriction base="xsd:token">
+    <xsd:enumeration value="None"/>
+    <xsd:enumeration value="Floppy"/>
+    <xsd:enumeration value="DVD"/>
+    <xsd:enumeration value="HardDisk"/>
+    <xsd:enumeration value="Network"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TMediumDeviceType">
+  <xsd:restriction base="TDeviceType">
+    <xsd:enumeration value="Floppy"/>
+    <xsd:enumeration value="DVD"/>
+    <xsd:enumeration value="HardDisk"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TMediumType">
+  <xsd:restriction base="xsd:string">
+    <xsd:enumeration value="Normal"/>
+    <xsd:enumeration value="Immutable"/>
+    <xsd:enumeration value="Writethrough"/>
+    <xsd:enumeration value="Shareable"/>
+    <xsd:enumeration value="Readonly"/>
+    <xsd:enumeration value="MultiAttach"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TVMProcPriority">
+  <xsd:restriction base="xsd:string">
+    <xsd:enumeration value="Invalid"/>
+    <xsd:enumeration value="Default"/>
+    <xsd:enumeration value="Flat"/>
+    <xsd:enumeration value="Low"/>
+    <xsd:enumeration value="Normal"/>
+    <xsd:enumeration value="High"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TMonitorCount">
+  <xsd:restriction base="xsd:unsignedInt">
+    <xsd:minInclusive value="1"/>
+    <!-- This should be in sync with VBOX_VIDEO_MAX_SCREENS in VBoxVideo.h -->
+    <xsd:maxInclusive value="64"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TUSBDeviceFilterAction">
+  <xsd:restriction base="xsd:token">
+    <xsd:enumeration value="Ignore"/>
+    <xsd:enumeration value="Hold"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TNonEmptyString">
+  <xsd:restriction base="xsd:string">
+    <xsd:pattern value=".+"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TPresentDateTimeUTC">
+  <xsd:restriction base="xsd:dateTime">
+    <xsd:minInclusive value="1900-01-01T00:00:00Z"/>
+    <xsd:maxInclusive value="199999999-12-31T23:59:59Z"/>
+    <xsd:pattern value=".+-.+-.+T.+:.+:[0-9]{2}Z"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+
+<xsd:simpleType name="TAuthType">
+  <xsd:restriction base="xsd:string">
+    <xsd:enumeration value="null"/> <!-- deprecated -->
+    <xsd:enumeration value="Null"/>
+    <xsd:enumeration value="Guest"/>
+    <xsd:enumeration value="External"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TNetworkAdapterType">
+  <xsd:restriction base="xsd:string">
+    <xsd:enumeration value="Am79C970A"/>
+    <xsd:enumeration value="Am79C973"/>
+    <xsd:enumeration value="Am79C960"/>
+    <xsd:enumeration value="82540EM"/>
+    <xsd:enumeration value="82543GC"/>
+    <xsd:enumeration value="82545EM"/>
+    <xsd:enumeration value="virtio"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TTriStateBoolType">
+  <xsd:restriction base="xsd:string">
+    <xsd:enumeration value="false"/>
+    <xsd:enumeration value="true"/>
+    <xsd:enumeration value="default"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TBIOSBootMenuModeType">
+  <xsd:restriction base="xsd:string">
+    <xsd:enumeration value="Disabled"/>
+    <xsd:enumeration value="MenuOnly"/>
+    <xsd:enumeration value="MessageAndMenu"/>
+    <xsd:enumeration value="messageandmenu"/> <!-- deprecated -->
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TLocalOrUTC">
+  <xsd:restriction base="xsd:token">
+    <xsd:enumeration value="local"/>
+    <xsd:enumeration value="UTC"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TClipboardMode">
+  <xsd:restriction base="xsd:string">
+    <xsd:enumeration value="Disabled"/>
+    <xsd:enumeration value="HostToGuest"/>
+    <xsd:enumeration value="GuestToHost"/>
+    <xsd:enumeration value="Bidirectional"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TDragAndDropMode">
+  <xsd:restriction base="xsd:string">
+    <xsd:enumeration value="Disabled"/>
+    <xsd:enumeration value="HostToGuest"/>
+    <xsd:enumeration value="GuestToHost"/>
+    <xsd:enumeration value="Bidirectional"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TBandwidthGroupType">
+  <xsd:restriction base="xsd:string">
+    <xsd:enumeration value="Disk"/>
+    <xsd:enumeration value="Network"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TPortMode">
+  <xsd:restriction base="xsd:string">
+    <xsd:enumeration value="Disconnected"/>
+    <xsd:enumeration value="RawFile"/>
+    <xsd:enumeration value="HostPipe"/>
+    <xsd:enumeration value="HostDevice"/>
+    <xsd:enumeration value="TCP"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TStorageControllerType">
+  <xsd:restriction base="xsd:token">
+    <xsd:enumeration value="AHCI"/>
+    <xsd:enumeration value="LsiLogic"/>
+    <xsd:enumeration value="BusLogic"/>
+    <xsd:enumeration value="PIIX3"/>
+    <xsd:enumeration value="PIIX4"/>
+    <xsd:enumeration value="ICH6"/>
+    <xsd:enumeration value="LsiLogicSas"/>
+    <xsd:enumeration value="I82078"/>
+    <xsd:enumeration value="USB"/>
+    <xsd:enumeration value="NVMe"/>
+    <xsd:enumeration value="VirtioSCSI"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:simpleType name="TDisplayControllerType">
+  <xsd:restriction base="xsd:token">
+    <xsd:enumeration value="VBoxVGA"/>
+    <xsd:enumeration value="VMSVGA"/>
+    <xsd:enumeration value="VBoxSVGA"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<!--
+// Complex types
+/////////////////////////////////////////////////////////////////////////
+-->
+<xsd:complexType name="TDHCPServer">
+  <xsd:sequence>
+    <xsd:element name="Options" minOccurs="0">
+      <xsd:complexType>
+        <xsd:sequence>
+          <xsd:element name="Option" type="TDHCPOption" minOccurs="0" maxOccurs="unbounded"/>
+        </xsd:sequence>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:sequence>
+  <xsd:attribute name="networkName" type="xsd:string"  use="required"/>
+  <xsd:attribute name="lowerIP"     type="xsd:string"  use="required"/>
+  <xsd:attribute name="upperIP"     type="xsd:string"  use="required"/>
+  <xsd:attribute name="IPAddress"   type="xsd:string"  use="required"/>
+  <xsd:attribute name="networkMask" type="xsd:string"  use="required"/>
+  <xsd:attribute name="enabled"     type="xsd:boolean" use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="TDHCPOption">
+  <xsd:attribute name="name" type="xsd:string" use="required"/>
+  <xsd:attribute name="value" type="xsd:string" use="required"/>
+  <xsd:attribute name="encoding" type="xsd:integer" default="0"/>
+</xsd:complexType>
+
+<xsd:complexType name="TNATNetwork">
+  <xsd:sequence>
+    <xsd:element name="PortForwarding4" minOccurs="0">
+      <xsd:complexType>
+        <xsd:sequence>
+          <xsd:element name="Forwarding" type="TNATPortForwarding" minOccurs="0" maxOccurs="unbounded"/>
+        </xsd:sequence>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="PortForwarding6" minOccurs="0">
+      <xsd:complexType>
+        <xsd:sequence>
+          <xsd:element name="Forwarding" type="TNATPortForwarding" minOccurs="0" maxOccurs="unbounded"/>
+        </xsd:sequence>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="Mappings" minOccurs="0">
+      <xsd:complexType>
+        <xsd:sequence>
+          <xsd:element name="Loopback4" type="TNATLoopback4" minOccurs="0" maxOccurs="unbounded"/>
+        </xsd:sequence>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:sequence>
+  <xsd:attribute name="networkName" type="xsd:string"  use="required"/>
+  <xsd:attribute name="enabled"     type="xsd:boolean" use="required"/>
+  <xsd:attribute name="network"     type="xsd:string"  use="required"/>
+  <xsd:attribute name="ipv6"        type="xsd:boolean" use="required"/>
+  <xsd:attribute name="ipv6prefix"  type="xsd:string"  use="required"/>
+  <xsd:attribute name="advertiseDefaultIPv6Route" type="xsd:boolean" use="required"/>
+  <xsd:attribute name="needDhcp"    type="xsd:boolean" use="required"/>
+  <xsd:attribute name="loopback6"   type="xsd:integer" default="0"/>
+</xsd:complexType>
+
+<xsd:complexType name="TNATLoopback4">
+  <xsd:attribute name="address" type="xsd:string" use="required"/>
+  <xsd:attribute name="offset" type="xsd:integer" use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="TNATPortForwarding">
+  <xsd:attribute name="name" type="xsd:string" use="required"/>
+  <xsd:attribute name="proto" type="xsd:integer" use="required"/>
+  <xsd:attribute name="hostip" type="xsd:string" default=""/>
+  <xsd:attribute name="hostport" type="xsd:integer" use="required"/>
+  <xsd:attribute name="guestip" type="xsd:string" use="required"/>
+  <xsd:attribute name="guestport" type="xsd:integer" use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="TProperty">
+  <xsd:attribute name="name" type="xsd:token" use="required"/>
+  <xsd:attribute name="value" type="xsd:string" use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="THardDiskBase">
+  <xsd:sequence>
+    <xsd:element name="Description" type="xsd:string" minOccurs="0"/>
+    <xsd:element name="Property" type="TProperty" minOccurs="0" maxOccurs="unbounded"/>
+    <xsd:element name="HardDisk" type="TDiffHardDisk" minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+  <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
+  <xsd:attribute name="location" type="TLocalFile" use="required"/>
+  <xsd:attribute name="format" type="TNonEmptyString" use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="TDiffHardDisk">
+  <xsd:complexContent>
+    <xsd:extension base="THardDiskBase">
+      <xsd:attribute name="autoReset" type="xsd:boolean" default="false"/>
+    </xsd:extension>
+  </xsd:complexContent>
+</xsd:complexType>
+
+<xsd:complexType name="THardDisk">
+  <xsd:complexContent>
+    <xsd:extension base="THardDiskBase">
+      <xsd:attribute name="type" type="TMediumType" use="required"/>
+    </xsd:extension>
+  </xsd:complexContent>
+</xsd:complexType>
+
+<xsd:complexType name="TImage2">
+  <xsd:sequence>
+    <xsd:element name="Description" type="xsd:string" minOccurs="0"/>
+  </xsd:sequence>
+  <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
+  <xsd:attribute name="location" type="TLocalFile" use="required"/>
+  <xsd:attribute name="type" type="TMediumType"/>
+</xsd:complexType>
+
+<xsd:complexType name="TImageRef">
+  <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="THostDrive">
+  <xsd:attribute name="src" type="TLocalFile" use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="TUSBDeviceFilter">
+  <xsd:attribute name="name" type="TNonEmptyString" use="required"/>
+  <xsd:attribute name="active" type="xsd:boolean" use="required"/>
+  <xsd:attribute name="vendorId" type="xsd:token"/>
+  <xsd:attribute name="productId" type="xsd:token"/>
+  <xsd:attribute name="revision" type="xsd:token"/>
+  <xsd:attribute name="manufacturer" type="xsd:token"/>
+  <xsd:attribute name="product" type="xsd:token"/>
+  <xsd:attribute name="serialNumber" type="xsd:token"/>
+  <xsd:attribute name="port" type="xsd:token"/>
+  <xsd:attribute name="remote" type="xsd:token"/>
+  <xsd:attribute name="maskedInterfaces" type="xsd:unsignedInt" default="0"/>
+</xsd:complexType>
+
+<xsd:complexType name="TUSBDeviceFilters">
+  <xsd:sequence>
+    <xsd:element name="DeviceFilter" type="TUSBDeviceFilter" minOccurs="0"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="THostUSBDeviceFilter">
+  <xsd:complexContent>
+    <xsd:extension base="TUSBDeviceFilter">
+      <xsd:attribute name="action" type="TUSBDeviceFilterAction" use="required"/>
+    </xsd:extension>
+  </xsd:complexContent>
+</xsd:complexType>
+
+<xsd:complexType name="TSystemProperties">
+  <xsd:attribute name="defaultMachineFolder" type="TLocalFile"/>
+  <xsd:attribute name="defaultHardDiskFolder" type="TLocalFile"/>
+  <xsd:attribute name="defaultHardDiskFormat" type="TNonEmptyString"/>
+  <xsd:attribute name="VRDEAuthLibrary" type="TLocalFile"/>
+  <xsd:attribute name="webServiceAuthLibrary" type="TLocalFile"/>
+  <xsd:attribute name="defaultVRDELibrary" type="TLocalFile"/>
+  <xsd:attribute name="HWVirtExEnabled" type="xsd:boolean"/>
+  <xsd:attribute name="LogHistoryCount" type="xsd:unsignedInt" default="3"/>
+  <xsd:attribute name="defaultVRDEExtPack" type="xsd:string"/>
+  <xsd:attribute name="exclusiveHwVirt" type="xsd:boolean"/>
+  <xsd:attribute name="proxyMode" type="xsd:string"/>
+</xsd:complexType>
+
+<xsd:complexType name="TExtraData">
+  <xsd:sequence>
+    <xsd:element name="ExtraDataItem" minOccurs="0" maxOccurs="unbounded">
+      <xsd:complexType>
+        <xsd:attribute name="name" type="xsd:token" use="required"/>
+        <xsd:attribute name="value" type="xsd:string" use="required"/>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TMediaRegistry">
+  <xsd:all>
+    <xsd:element name="HardDisks" minOccurs="0">
+      <xsd:complexType>
+        <xsd:sequence>
+          <xsd:element name="HardDisk" type="THardDisk" minOccurs="0" maxOccurs="unbounded"/>
+        </xsd:sequence>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="DVDImages" minOccurs="0">
+      <xsd:complexType>
+        <xsd:sequence>
+          <xsd:element name="Image" type="TImage2" minOccurs="0" maxOccurs="unbounded"/>
+        </xsd:sequence>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="FloppyImages" minOccurs="0">
+      <xsd:complexType>
+        <xsd:sequence>
+          <xsd:element name="Image" type="TImage2" minOccurs="0" maxOccurs="unbounded"/>
+        </xsd:sequence>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:all>
+</xsd:complexType>
+
+<xsd:complexType name="TGlobal">
+  <xsd:all>
+    <xsd:element name="MachineRegistry">
+      <xsd:complexType>
+        <xsd:sequence>
+          <xsd:element name="MachineEntry" minOccurs="0" maxOccurs="unbounded">
+            <xsd:complexType>
+              <xsd:attribute name="src" type="TLocalFile" use="required"/>
+              <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:sequence>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="MediaRegistry" type="TMediaRegistry" minOccurs="0"/>
+    <xsd:element name="NetserviceRegistry" minOccurs="0">
+      <xsd:complexType>
+        <xsd:all>
+          <xsd:element name="DHCPServers" minOccurs="0">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="DHCPServer" type="TDHCPServer" minOccurs="0" maxOccurs="unbounded"/>
+              </xsd:sequence>
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="NATNetworks" minOccurs="0">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="NATNetwork" type="TNATNetwork" minOccurs="0" maxOccurs="unbounded"/>
+              </xsd:sequence>
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:all>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="USBDeviceFilters">
+      <xsd:complexType>
+        <xsd:sequence>
+          <xsd:element name="DeviceFilter" type="THostUSBDeviceFilter"
+                       minOccurs="0" maxOccurs="unbounded"/>
+        </xsd:sequence>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="SystemProperties" type="TSystemProperties"/>
+    <xsd:element name="ExtraData" type="TExtraData" minOccurs="0"/>
+  </xsd:all>
+</xsd:complexType>
+
+<xsd:complexType name="THWVirtExType">
+  <xsd:attribute name="enabled" type="TTriStateBoolType"/>
+  <xsd:attribute name="exclusive" type="xsd:boolean"/>
+</xsd:complexType>
+
+<xsd:complexType name="THWVirtExNestedPagingType">
+  <xsd:attribute name="enabled" type="xsd:boolean"/>
+</xsd:complexType>
+
+<xsd:complexType name="THWVirtExVPIDType">
+  <xsd:attribute name="enabled" type="xsd:boolean"/>
+</xsd:complexType>
+
+<xsd:complexType name="THWVirtExUXType">
+  <xsd:attribute name="enabled" type="xsd:boolean"/>
+</xsd:complexType>
+
+<xsd:complexType name="TSyntheticCpuType">
+  <xsd:attribute name="enabled" type="xsd:boolean"/>
+</xsd:complexType>
+
+<xsd:complexType name="TPAEType">
+  <xsd:attribute name="enabled" type="xsd:boolean"/>
+</xsd:complexType>
+
+<xsd:complexType name="TLongModeType">
+  <xsd:attribute name="enabled" type="xsd:boolean"/>
+</xsd:complexType>
+
+<xsd:complexType name="THardwareVirtExLargePages">
+  <xsd:attribute name="enabled" type="xsd:boolean"/>
+</xsd:complexType>
+
+<xsd:complexType name="THardwareVirtForce">
+  <xsd:attribute name="enabled" type="xsd:boolean"/>
+</xsd:complexType>
+
+<xsd:simpleType name="TCPUCount">
+  <xsd:restriction base="xsd:unsignedInt">
+    <xsd:minInclusive value="1"/>
+    <xsd:maxInclusive value="64"/>
+  </xsd:restriction>
+</xsd:simpleType>
+
+<xsd:complexType name="TCpuIdLeaf">
+  <xsd:attribute name="id"        type="xsd:unsignedInt"       use="required"/>
+  <xsd:attribute name="eax"       type="xsd:unsignedInt"       use="required"/>
+  <xsd:attribute name="ebx"       type="xsd:unsignedInt"       use="required"/>
+  <xsd:attribute name="ecx"       type="xsd:unsignedInt"       use="required"/>
+  <xsd:attribute name="edx"       type="xsd:unsignedInt"       use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="TCpuIdTree">
+  <xsd:sequence>
+    <xsd:element name="CpuIdLeaf" type="TCpuIdLeaf"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TCPU">
+  <xsd:sequence>
+    <xsd:element name="HardwareVirtEx" type="THWVirtExType" minOccurs="0"/>
+    <xsd:element name="HardwareVirtExNestedPaging" type="THWVirtExNestedPagingType" minOccurs="0"/>
+    <xsd:element name="HardwareVirtExVPID" type="THWVirtExVPIDType" minOccurs="0"/>
+    <xsd:element name="HardwareVirtExUX" type="THWVirtExUXType" minOccurs="0"/>
+    <xsd:element name="PAE" type="TPAEType" minOccurs="0"/>
+    <xsd:element name="LongMode" type="TLongModeType" minOccurs="0"/>
+    <xsd:element name="HardwareVirtExLargePages" type="THardwareVirtExLargePages" minOccurs="0"/>
+    <xsd:element name="HardwareVirtForce" type="THardwareVirtForce" minOccurs="0"/>
+    <xsd:element name="SyntheticCpu" type="TSyntheticCpuType" minOccurs="0"/>
+    <xsd:element name="CpuIdTree" type="TCpuIdTree" minOccurs="0">
+      <xsd:unique name="TCPU-CpuIdTree-CpuIdLeaf">
+        <xsd:selector xpath="vb:CpuIdLeaf"/>
+        <xsd:field xpath="@id"/>
+      </xsd:unique>
+    </xsd:element>
+  </xsd:sequence>
+  <xsd:attribute name="count" type="TCPUCount" default="1"/>
+  <xsd:attribute name="hotplug" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TBoot">
+  <xsd:sequence>
+    <xsd:element name="Order" minOccurs="0" maxOccurs="unbounded">
+      <xsd:complexType>
+        <xsd:attribute name="position" use="required">
+          <xsd:simpleType>
+            <xsd:restriction base="xsd:unsignedInt">
+              <xsd:minInclusive value="1"/>
+              <xsd:maxInclusive value="4"/>
+            </xsd:restriction>
+          </xsd:simpleType>
+        </xsd:attribute>
+        <xsd:attribute name="device" type="TDeviceType" use="required"/>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TDisplay">
+  <xsd:attribute name="VRAMSize" default="8">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:unsignedInt">
+        <xsd:minInclusive value="0"/>
+        <xsd:maxInclusive value="256"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="monitorCount" type="TMonitorCount" default="1"/>
+  <xsd:attribute name="MonitorCount" type="TMonitorCount"/> <!-- deprecated -->
+  <xsd:attribute name="accelerate3D" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="accelerate2DVideo" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="controller" type="TDisplayControllerType" default="VBoxSVGA"/>
+</xsd:complexType>
+
+<xsd:complexType name="TVideoRecording">
+  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="file" type="xsd:string"/>
+  <xsd:attribute name="horzRes">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:unsignedInt">
+        <xsd:minInclusive value="4"/>
+        <xsd:maxInclusive value="2097152"/>
+       </xsd:restriction>
+     </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="vertRes" type="xsd:unsignedInt"/>
+</xsd:complexType>
+
+<xsd:complexType name="TVideoCapture">
+  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="file" type="xsd:string"/>
+  <xsd:attribute name="screens" type="xsd:unsignedLong"/> <!-- todo: fix writing of settings (writes -1) -->
+  <xsd:attribute name="horzRes">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:unsignedInt">
+        <xsd:minInclusive value="4"/>
+        <xsd:maxInclusive value="2097152"/>
+       </xsd:restriction>
+     </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="vertRes" type="xsd:unsignedInt"/>
+  <xsd:attribute name="rate" type="xsd:unsignedInt"/>
+  <xsd:attribute name="fps" type="xsd:unsignedInt"/>
+  <xsd:attribute name="maxTime" type="xsd:unsignedInt"/>
+  <xsd:attribute name="maxSize" type="xsd:unsignedInt"/>
+  <xsd:attribute name="options" type="xsd:string"/>
+</xsd:complexType>
+
+<xsd:complexType name="TVRDEProperties">
+  <xsd:sequence>
+    <xsd:element name="Property" type="TProperty" minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TVideoChannel">
+  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="quality" type="xsd:unsignedByte" default="75"/>
+</xsd:complexType>
+
+<xsd:complexType name="TRemoteDisplay">
+  <xsd:sequence>
+    <xsd:element name="VideoChannel" type="TVideoChannel" minOccurs="0"/> <!-- deprecated -->
+    <xsd:choice minOccurs="0">
+      <xsd:element name="VRDEProperties" type="TVRDEProperties"/>
+    </xsd:choice>
+  </xsd:sequence>
+  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="port" type="xsd:string" default="3389"/> <!-- deprecated -->
+  <xsd:attribute name="authType" type="TAuthType" default="Null"/>
+  <xsd:attribute name="authTimeout" type="xsd:unsignedInt" default="5000"/>
+  <xsd:attribute name="allowMultiConnection" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="reuseSingleConnection" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TBIOS">
+  <xsd:all>
+    <xsd:element name="ACPI" minOccurs="0">
+      <xsd:complexType>
+        <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="IOAPIC" minOccurs="0">
+      <xsd:complexType>
+          <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="Logo" minOccurs="0">
+      <xsd:complexType>
+        <xsd:attribute name="fadeIn" type="xsd:boolean" default="true"/>
+        <xsd:attribute name="fadeOut" type="xsd:boolean" default="true"/>
+        <xsd:attribute name="displayTime" type="xsd:unsignedInt" default="0"/>
+        <xsd:attribute name="imagePath" type="TLocalFile"/>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="BootMenu" minOccurs="0">
+      <xsd:complexType>
+        <xsd:attribute name="mode" type="TBIOSBootMenuModeType" default="MessageAndMenu"/>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="TimeOffset" minOccurs="0">
+      <xsd:complexType>
+        <xsd:attribute name="value" type="xsd:integer" default="0"/>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="PXEDebug" minOccurs="0">
+      <xsd:complexType>
+        <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="NVRAM" minOccurs="0">
+      <xsd:complexType>
+        <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+        <xsd:attribute name="path" type="xsd:string"/>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="SmbiosUuidLittleEndian" minOccurs="0">
+      <xsd:complexType>
+          <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="IDEController" minOccurs="0"> <!-- deprecated -->
+      <xsd:complexType>
+        <xsd:attribute name="type">
+          <xsd:simpleType>
+            <xsd:restriction base="xsd:token">
+            <xsd:enumeration value="PIIX3"/>
+            <xsd:enumeration value="PIIX4"/>
+            <xsd:enumeration value="ICH6"/>
+            </xsd:restriction>
+          </xsd:simpleType>
+        </xsd:attribute>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:all>
+</xsd:complexType>
+
+<xsd:complexType name="TStorageControllerDevice">
+  <xsd:choice minOccurs="0">
+    <xsd:element name="Image" type="TImageRef"/>
+    <xsd:element name="HostDrive" type="THostDrive"/>
+  </xsd:choice>
+  <xsd:attribute name="type" type="TMediumDeviceType"/>
+  <xsd:attribute name="port" type="xsd:unsignedInt" default="0"/>
+  <xsd:attribute name="device" type="xsd:unsignedInt" default="0"/>
+  <xsd:attribute name="passthrough" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="tempeject" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="nonrotational" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="discard" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="hotpluggable" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TStorageController">
+  <xsd:sequence>
+    <xsd:element name="AttachedDevice" type="TStorageControllerDevice"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+  <xsd:attribute name="name" type="xsd:string" use="required"/>
+  <xsd:attribute name="type" type="TStorageControllerType" use="required"/>
+  <xsd:attribute name="PortCount"   type="xsd:unsignedInt" use="required"/>
+  <xsd:attribute name="useHostIOCache" type="xsd:boolean"  use="optional" default="true"/>
+  <xsd:attribute name="Bootable"    type="xsd:boolean"     use="optional"/>
+  <xsd:attribute name="PCIBus"      type="xsd:unsignedInt" use="optional"/>
+  <xsd:attribute name="PCIDevice"   type="xsd:unsignedInt" use="optional"/>
+  <xsd:attribute name="PCIFunction" type="xsd:unsignedInt" use="optional"/>
+  <xsd:attribute name="IDE0MasterEmulationPort" type="xsd:unsignedInt" use="optional"/>
+  <xsd:attribute name="IDE0SlaveEmulationPort"  type="xsd:unsignedInt" use="optional"/>
+  <xsd:attribute name="IDE1MasterEmulationPort" type="xsd:unsignedInt" use="optional"/>
+  <xsd:attribute name="IDE1SlaveEmulationPort"  type="xsd:unsignedInt" use="optional"/>
+</xsd:complexType>
+
+<xsd:complexType name="TSATAController"> <!-- deprecated -->
+  <xsd:sequence>
+    <xsd:element name="AttachedDevice" type="TStorageControllerDevice"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+  <xsd:attribute name="enabled"     type="xsd:boolean"     default="false"/>
+  <xsd:attribute name="PortCount"   type="xsd:unsignedInt" use="required"/>
+  <xsd:attribute name="IDE0MasterEmulationPort" type="xsd:unsignedInt" use="optional"/>
+  <xsd:attribute name="IDE0SlaveEmulationPort"  type="xsd:unsignedInt" use="optional"/>
+  <xsd:attribute name="IDE1MasterEmulationPort" type="xsd:unsignedInt" use="optional"/>
+  <xsd:attribute name="IDE1SlaveEmulationPort"  type="xsd:unsignedInt" use="optional"/>
+</xsd:complexType>
+
+<xsd:complexType name="TStorageControllers">
+  <xsd:sequence>
+    <xsd:element name="StorageController" type="TStorageController"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="THardDiskAttachment">
+  <xsd:attribute name="hardDisk" type="TNonNullUUID"/>
+  <xsd:attribute name="bus" default="IDE">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:token">
+        <xsd:enumeration value="IDE"/>
+        <xsd:enumeration value="SATA"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="channel" type="xsd:unsignedInt" default="0"/>
+  <xsd:attribute name="device" type="xsd:unsignedInt" default="0"/>
+</xsd:complexType>
+
+<xsd:complexType name="THardDiskAttachments"> <!-- deprecated -->
+  <xsd:sequence>
+    <xsd:element name="HardDiskAttachment" type="THardDiskAttachment"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TDVDDrive">
+  <xsd:choice minOccurs="0">
+    <xsd:element name="Image" type="TImageRef"/>
+    <xsd:element name="HostDrive" type="THostDrive"/>
+  </xsd:choice>
+  <xsd:attribute name="passthrough" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TFloppyDrive">
+  <xsd:choice minOccurs="0">
+    <xsd:element name="Image" type="TImageRef"/>
+    <xsd:element name="HostDrive" type="THostDrive"/>
+  </xsd:choice>
+  <xsd:attribute name="enabled" type="xsd:boolean" default="true"/>
+</xsd:complexType>
+
+<xsd:complexType name="TUSBController">
+  <xsd:sequence>
+    <xsd:element name="DeviceFilter" type="TUSBDeviceFilter"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+  <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
+  <xsd:attribute name="enabledEhci" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TUSBController2">
+  <xsd:attribute name="name" type="xsd:string" use="required"/>
+  <xsd:attribute name="type" use="required">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:token">
+      <xsd:enumeration value="OHCI"/>
+      <xsd:enumeration value="EHCI"/>
+      <xsd:enumeration value="XHCI"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+</xsd:complexType>
+
+<xsd:complexType name="TUSBControllers">
+  <xsd:sequence>
+    <xsd:element name="Controller" type="TUSBController2"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TUSB">
+  <xsd:sequence>
+    <xsd:element name="Controllers" type="TUSBControllers" minOccurs="0"/>
+    <xsd:element name="DeviceFilters" type="TUSBDeviceFilters" minOccurs="0"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+
+<xsd:complexType name="TAudioAdapter">
+  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="enabledIn" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="enabledOut" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="controller" default="AC97">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:token">
+        <xsd:enumeration value="AC97"/>
+        <xsd:enumeration value="SB16"/>
+        <xsd:enumeration value="HDA"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="driver" use="required">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:token">
+        <xsd:enumeration value="null"/> <!-- deprecated -->
+        <xsd:enumeration value="Null"/> <!-- all platforms -->
+        <xsd:enumeration value="OSS"/> <!-- Linux, Solaris, FreeBSD -->
+        <xsd:enumeration value="ALSA"/> <!-- Linux, FreeBSD -->
+        <xsd:enumeration value="Pulse"/> <!-- Linux -->
+        <xsd:enumeration value="CoreAudio"/> <!-- Mac OS X -->
+        <xsd:enumeration value="MMPM"/> <!-- OS/2 -->
+        <xsd:enumeration value="SolAudio"/> <!-- Solaris -->
+        <xsd:enumeration value="WinMM"/> <!-- Windows -->
+        <xsd:enumeration value="DirectSound"/> <!-- Windows -->
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+</xsd:complexType>
+
+<xsd:complexType name="TNetNAT">
+  <xsd:choice minOccurs="0" maxOccurs="unbounded">
+    <xsd:element name="DNS" minOccurs="0">
+      <xsd:complexType>
+        <xsd:attribute name="pass-domain" type="xsd:boolean" default="true"/>
+        <xsd:attribute name="use-proxy" type="xsd:boolean" default="false"/>
+        <xsd:attribute name="use-host-resolver" type="xsd:boolean" default="false"/>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="Alias" minOccurs="0">
+      <xsd:complexType>
+        <xsd:attribute name="logging" type="xsd:boolean" default="false"/>
+        <xsd:attribute name="proxy-only" type="xsd:boolean" default="false"/>
+        <xsd:attribute name="use-same-ports" type="xsd:boolean" default="false"/>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="TFTP" minOccurs="0">
+      <xsd:complexType>
+        <xsd:attribute name="prefix" type="xsd:string"/>
+        <xsd:attribute name="boot-file" type="xsd:string"/>
+        <xsd:attribute name="next-server" type="xsd:string"/>
+      </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="Forwarding" minOccurs="0" maxOccurs="unbounded">
+      <xsd:complexType>
+        <xsd:attribute name="name" type="xsd:string"/>
+        <xsd:attribute name="proto" type="xsd:unsignedInt"/>
+        <xsd:attribute name="hostip" type="xsd:string"/>
+        <xsd:attribute name="hostport" type="xsd:unsignedInt"/>
+        <xsd:attribute name="guestip" type="xsd:string"/>
+        <xsd:attribute name="guestport" type="xsd:unsignedInt"/>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:choice>
+  <xsd:attribute name="network" type="xsd:string"/>
+  <xsd:attribute name="hostip" type="xsd:string"/>
+  <xsd:attribute name="mtu" type="xsd:unsignedInt"/>
+  <xsd:attribute name="sockrcv" type="xsd:unsignedInt"/>
+  <xsd:attribute name="socksnd" type="xsd:unsignedInt"/>
+  <xsd:attribute name="tcprcv" type="xsd:unsignedInt"/>
+  <xsd:attribute name="tcpsnd" type="xsd:unsignedInt"/>
+</xsd:complexType>
+
+<xsd:complexType name="TNetNATNetwork">
+  <xsd:attribute name="name" type="xsd:string"/>
+</xsd:complexType>
+
+<xsd:complexType name="TNetBridged">
+  <xsd:attribute name="name" type="xsd:string"/>
+</xsd:complexType>
+
+<xsd:complexType name="TNetInternal">
+  <xsd:attribute name="name" type="xsd:string"/>
+</xsd:complexType>
+
+<xsd:complexType name="TNetHostOnly">
+  <xsd:attribute name="name" type="xsd:string"/>
+</xsd:complexType>
+
+<xsd:complexType name="TNetGeneric">
+  <xsd:sequence>
+    <xsd:element name="Property" type="TProperty" minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+  <xsd:attribute name="driver" type="xsd:string" use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="TNetworkConfig">
+  <xsd:choice maxOccurs="2">
+    <xsd:choice minOccurs="0">
+      <xsd:element name="NAT" type="TNetNAT"/>
+      <xsd:element name="NATNetwork" type="TNetNATNetwork"/>
+      <xsd:element name="HostInterface" type="TNetBridged"/>
+      <xsd:element name="BridgedInterface" type="TNetBridged"/>
+      <xsd:element name="InternalNetwork" type="TNetInternal"/>
+      <xsd:element name="HostOnlyInterface" type="TNetHostOnly"/>
+      <xsd:element name="GenericInterface" type="TNetGeneric"/>
+    </xsd:choice>
+    <xsd:element name="DisabledModes">
+      <xsd:complexType>
+        <xsd:all>
+          <xsd:element name="NAT" type="TNetNAT" minOccurs="0"/>
+          <xsd:element name="NATNetwork" type="TNetNATNetwork" minOccurs="0"/>
+          <xsd:element name="HostInterface" type="TNetBridged" minOccurs="0"/>
+          <xsd:element name="BridgedInterface" type="TNetBridged" minOccurs="0"/>
+          <xsd:element name="InternalNetwork" type="TNetInternal" minOccurs="0"/>
+          <xsd:element name="HostOnlyInterface" type="TNetHostOnly" minOccurs="0"/>
+          <xsd:element name="GenericInterface" type="TNetGeneric" minOccurs="0"/>
+        </xsd:all>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:choice>
+</xsd:complexType>
+
+<xsd:complexType name="TNetworkAdapter">
+  <xsd:complexContent>
+    <xsd:extension base="TNetworkConfig">
+      <xsd:attribute name="type" type="TNetworkAdapterType" default="Am79C973"/>
+      <xsd:attribute name="slot" type="xsd:unsignedInt" use="required"/>
+      <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+      <xsd:attribute name="MACAddress">
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:hexBinary">
+            <xsd:pattern value="[0-9A-Fa-f][02468ACEace][0-9A-Fa-f]{10}"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:attribute>
+      <xsd:attribute name="cable" type="xsd:boolean" default="true"/>
+      <xsd:attribute name="speed" type="xsd:unsignedInt" default="1000000"/>
+      <xsd:attribute name="bootPriority" type="xsd:unsignedInt"/>
+      <xsd:attribute name="trace" type="xsd:boolean" default="false"/>
+      <xsd:attribute name="tracefile" type="xsd:string"/>
+      <xsd:attribute name="bandwidthGroup" type="xsd:string"/>
+      <xsd:attribute name="promiscuousModePolicy" default="Deny">
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:token">
+            <xsd:enumeration value="Deny"/>
+            <xsd:enumeration value="AllowNetwork"/>
+            <xsd:enumeration value="AllowAll"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:attribute>
+    </xsd:extension>
+  </xsd:complexContent>
+</xsd:complexType>
+
+<xsd:complexType name="TNetwork">
+  <xsd:sequence>
+    <xsd:element name="Adapter" type="TNetworkAdapter"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TUARTPort">
+  <xsd:attribute name="slot" use="required">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:unsignedInt">
+        <xsd:minInclusive value="0"/>
+        <xsd:maxExclusive value="4"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
+  <xsd:attribute name="IRQ" type="TUInt8" use="required"/>
+  <xsd:attribute name="IOBase" type="TUInt16" use="required"/>
+  <xsd:attribute name="hostMode" type="TPortMode" use="required"/>
+  <xsd:attribute name="path" type="TLocalFile"/>
+  <xsd:attribute name="server" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TUART">
+  <xsd:sequence>
+    <xsd:element name="Port" type="TUARTPort"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TUartPort"> <!-- deprecated -->
+  <xsd:attribute name="slot" use="required">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:unsignedInt">
+        <xsd:minInclusive value="0"/>
+        <xsd:maxExclusive value="4"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
+  <xsd:attribute name="IRQ" type="TUInt8" use="required"/>
+  <xsd:attribute name="IOBase" type="TUInt16HexNoBase" use="required"/>
+  <xsd:attribute name="hostMode" type="TPortMode" use="required"/>
+  <xsd:attribute name="path" type="TLocalFile"/>
+  <xsd:attribute name="server" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TUart"> <!-- deprecated -->
+  <xsd:sequence>
+    <xsd:element name="Port" type="TUartPort"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TLPTPort">
+  <xsd:attribute name="slot" use="required">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:unsignedInt">
+        <xsd:minInclusive value="0"/>
+        <xsd:maxExclusive value="2"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
+  <xsd:attribute name="IRQ" type="TUInt8" use="required"/>
+  <xsd:attribute name="IOBase" type="TUInt16" use="required"/>
+  <xsd:attribute name="path" type="TLocalFile"/>
+</xsd:complexType>
+
+<xsd:complexType name="TLPT">
+  <xsd:sequence>
+    <xsd:element name="Port" type="TLPTPort"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TLptPort"> <!-- deprecated -->
+  <xsd:attribute name="slot" use="required">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:unsignedInt">
+        <xsd:minInclusive value="0"/>
+        <xsd:maxExclusive value="2"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="enabled" type="xsd:boolean" use="required"/>
+  <xsd:attribute name="IRQ" type="TUInt8" use="required"/>
+  <xsd:attribute name="IOBase" type="TUInt16HexNoBase" use="required"/>
+  <xsd:attribute name="path" type="TLocalFile"/>
+</xsd:complexType>
+
+<xsd:complexType name="TLpt">
+  <xsd:sequence>
+    <xsd:element name="Port" type="TLptPort"
+                 minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TRTC">
+  <xsd:attribute name="localOrUTC" type="TLocalOrUTC" use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="TSharedFolder">
+  <xsd:attribute name="name" type="TNonEmptyString" use="required"/>
+  <xsd:attribute name="hostPath" type="TLocalFile" use="required"/>
+  <xsd:attribute name="writable" type="xsd:boolean" default="true"/>
+  <xsd:attribute name="autoMount" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TSharedFolders">
+  <xsd:sequence>
+    <xsd:element name="SharedFolder" type="TSharedFolder" minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TClipboard">
+  <xsd:attribute name="mode" type="TClipboardMode" default="Disabled"/>
+</xsd:complexType>
+
+<xsd:complexType name="TDragAndDrop">
+  <xsd:attribute name="mode" type="TDragAndDropMode" use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="TIoCache">
+  <xsd:attribute name="enabled" type="xsd:boolean" default="true"/>
+  <xsd:attribute name="size" type="xsd:unsignedLong"/>
+</xsd:complexType>
+
+<xsd:complexType name="TBandwidthGroup">
+  <xsd:attribute name="name" type="xsd:token" use="required"/>
+  <xsd:attribute name="type" type="TBandwidthGroupType" use="required"/>
+  <xsd:attribute name="maxBytesPerSec" type="xsd:unsignedLong"/>
+  <xsd:attribute name="maxMbPerSec" type="xsd:unsignedLong"/>
+</xsd:complexType>
+
+<xsd:complexType name="TBandwidthGroups">
+  <xsd:sequence>
+    <xsd:element name="BandwidthGroup" type="TBandwidthGroup" minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TIO">
+  <xsd:sequence>
+    <xsd:element name="IoCache" type="TIoCache" minOccurs="0"/>
+    <xsd:element name="BandwidthGroups" type="TBandwidthGroups" minOccurs="0"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="THostPciDevice">
+  <xsd:attribute name="host" type="xsd:unsignedInt" use="required"/>
+  <xsd:attribute name="guest" type="xsd:unsignedInt" use="required"/>
+  <xsd:attribute name="name" type="xsd:token"/>
+</xsd:complexType>
+
+<xsd:complexType name="THostPciDevices">
+  <xsd:sequence>
+    <xsd:element name="Device" type="THostPciDevice" minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="THostPci">
+  <xsd:sequence>
+    <xsd:element name="Devices" type="THostPciDevices" minOccurs="0"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TCardReader">
+  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TWebcam">
+  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TEmulatedUSB">
+  <xsd:sequence>
+    <xsd:element name="CardReader" type="TCardReader" minOccurs="0"/>
+    <xsd:element name="Webcam" type="TWebcam" minOccurs="0"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TGuest">
+  <xsd:attribute name="memoryBalloonSize"        type="xsd:unsignedInt" default="0"/>
+  <xsd:attribute name="MemoryBalloonSize"        type="xsd:unsignedInt" default="0"/> <!-- deprecated -->
+  <xsd:attribute name="statisticsUpdateInterval" type="xsd:unsignedInt" default="0"/>
+  <xsd:attribute name="StatisticsUpdateInterval" type="xsd:unsignedInt" default="0"/> <!-- deprecated -->
+</xsd:complexType>
+
+<xsd:complexType name="TGuestProperty">
+  <xsd:attribute name="name"      type="xsd:string"       use="required"/>
+  <xsd:attribute name="value"     type="xsd:string"       use="required"/>
+  <xsd:attribute name="timestamp" type="xsd:unsignedLong" default="0"/>
+  <xsd:attribute name="flags"     type="xsd:string"       default=""/>
+</xsd:complexType>
+
+<xsd:complexType name="TGuestProperties">
+  <xsd:sequence>
+    <xsd:element name="GuestProperty" type="TGuestProperty" minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+  <xsd:attribute name="notificationPatterns" type="xsd:string" default=""/>
+</xsd:complexType>
+
+<xsd:complexType name="TMemory">
+  <xsd:attribute name="RAMSize" use="required">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:unsignedInt">
+        <xsd:minInclusive value="4"/>
+        <xsd:maxInclusive value="2097152"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="PageFusion" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TFirmware">
+  <xsd:attribute name="type" use="required">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:token">
+        <xsd:enumeration value="BIOS"/>
+        <xsd:enumeration value="EFI"/>
+        <xsd:enumeration value="EFI32"/>
+        <xsd:enumeration value="EFI64"/>
+        <xsd:enumeration value="EFIDUAL"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+</xsd:complexType>
+
+<xsd:complexType name="THID">
+  <xsd:attribute name="Pointing" default="PS2Mouse">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:token">
+        <xsd:enumeration value="USBMouse"/>
+        <xsd:enumeration value="USBTablet"/>
+        <xsd:enumeration value="PS2Mouse"/>
+        <xsd:enumeration value="ComboMouse"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="Keyboard" default="PS2Keyboard">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:token">
+        <xsd:enumeration value="USBKeyboard"/>
+        <xsd:enumeration value="PS2Keyboard"/>
+        <xsd:enumeration value="ComboKeyboard"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+</xsd:complexType>
+
+<xsd:complexType name="THPET">
+  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+</xsd:complexType>
+
+<xsd:complexType name="TChipset">
+  <xsd:attribute name="type" use="required">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:token">
+        <xsd:enumeration value="PIIX3"/>
+        <xsd:enumeration value="ICH9"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+</xsd:complexType>
+
+<xsd:complexType name="TParavirt">
+  <xsd:attribute name="provider" use="required">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:token">
+        <xsd:enumeration value="None"/>
+        <xsd:enumeration value="Default"/>
+        <xsd:enumeration value="Legacy"/>
+        <xsd:enumeration value="Minimal"/>
+        <xsd:enumeration value="HyperV"/>
+        <xsd:enumeration value="KVM"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:attribute>
+  <xsd:attribute name="debug" type="xsd:string"/>
+</xsd:complexType>
+
+<xsd:complexType name="TTeleporter">
+  <xsd:attribute name="enabled" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="port" type="xsd:unsignedShort"/>
+  <xsd:attribute name="address" type="xsd:string"/>
+  <xsd:attribute name="password" type="xsd:string"/>
+</xsd:complexType>
+
+<xsd:complexType name="THardware">
+  <xsd:all>
+    <xsd:element name="CPU" type="TCPU" minOccurs="0"/>
+    <xsd:element name="Memory" type="TMemory"/>
+    <xsd:element name="Firmware" type="TFirmware" minOccurs="0"/>
+    <xsd:element name="HID" type="THID" minOccurs="0"/>
+    <xsd:element name="HPET" type="THPET" minOccurs="0"/>
+    <xsd:element name="Chipset" type="TChipset" minOccurs="0"/>
+    <xsd:element name="Paravirt" type="TParavirt" minOccurs="0"/>
+    <xsd:element name="Boot" type="TBoot" minOccurs="0">
+      <xsd:unique name="THardware-Boot-Order">
+        <xsd:selector xpath="vb:Order"/>
+        <xsd:field xpath="@position"/>
+      </xsd:unique>
+    </xsd:element>
+    <xsd:element name="Display" type="TDisplay" minOccurs="0"/>
+    <xsd:element name="VideoRecording" type="TVideoRecording" minOccurs="0"/>
+    <xsd:element name="VideoCapture" type="TVideoCapture" minOccurs="0"/>
+    <xsd:element name="RemoteDisplay" type="TRemoteDisplay" minOccurs="0"/>
+    <xsd:element name="BIOS" type="TBIOS" minOccurs="0"/>
+    <xsd:element name="DVDDrive" type="TDVDDrive" minOccurs="0"/>
+    <xsd:element name="FloppyDrive" type="TFloppyDrive" minOccurs="0"/>
+    <xsd:element name="USBController" type="TUSBController" minOccurs="0"/>
+    <xsd:element name="USB" type="TUSB" minOccurs="0"/>
+    <xsd:element name="SATAController" type="TSATAController" minOccurs="0"/> <!-- deprecated -->
+    <xsd:element name="Network" type="TNetwork" minOccurs="0">
+      <xsd:unique name="THardware-Network-Adapter">
+        <xsd:selector xpath="vb:Adapter"/>
+        <xsd:field xpath="@slot"/>
+      </xsd:unique>
+    </xsd:element>
+    <xsd:element name="UART" type="TUART" minOccurs="0">
+      <xsd:unique name="THardware-UART-Port">
+        <xsd:selector xpath="vb:Port"/>
+        <xsd:field xpath="@slot"/>
+      </xsd:unique>
+    </xsd:element>
+    <xsd:element name="Uart" type="TUart" minOccurs="0"> <!-- deprecated -->
+      <xsd:unique name="THardware-Uart-Port">
+        <xsd:selector xpath="vb:Port"/>
+        <xsd:field xpath="@slot"/>
+      </xsd:unique>
+    </xsd:element>
+    <xsd:element name="LPT" type="TLPT" minOccurs="0">
+      <xsd:unique name="THardware-LPT-Port">
+        <xsd:selector xpath="vb:Port"/>
+        <xsd:field xpath="@slot"/>
+      </xsd:unique>
+    </xsd:element>
+    <xsd:element name="Lpt" type="TLpt" minOccurs="0"> <!-- deprecated -->
+      <xsd:unique name="THardware-Lpt-Port">
+        <xsd:selector xpath="vb:Port"/>
+        <xsd:field xpath="@slot"/>
+      </xsd:unique>
+    </xsd:element>
+    <xsd:element name="AudioAdapter" type="TAudioAdapter" minOccurs="0"/>
+    <xsd:element name="RTC" type="TRTC" minOccurs="0"/>
+    <xsd:element name="SharedFolders" type="TSharedFolders" minOccurs="0">
+      <xsd:unique name="THardware-SharedFolders-SharedFolder">
+        <xsd:selector xpath="vb:SharedFolder"/>
+        <xsd:field xpath="@name"/>
+      </xsd:unique>
+    </xsd:element>
+    <xsd:element name="Clipboard" type="TClipboard" minOccurs="0"/>
+    <xsd:element name="DragAndDrop" type="TDragAndDrop" minOccurs="0"/>
+    <xsd:element name="IO" type="TIO" minOccurs="0"/>
+    <xsd:element name="HostPci" type="THostPci" minOccurs="0"/>
+    <xsd:element name="EmulatedUSB" type="TEmulatedUSB" minOccurs="0"/>
+    <xsd:element name="Guest" type="TGuest" minOccurs="0"/>
+    <xsd:element name="GuestProperties" type="TGuestProperties" minOccurs="0">
+      <xsd:unique name="THardware-GuestProperties-GuestProperty">
+        <xsd:selector xpath="vb:GuestProperty"/>
+        <xsd:field xpath="@name"/>
+      </xsd:unique>
+    </xsd:element>
+    <xsd:element name="StorageControllers" type="TStorageControllers" minOccurs="0"/>
+  </xsd:all>
+  <xsd:attribute name="version" type="xsd:string" default="2"/>
+</xsd:complexType>
+
+<xsd:complexType name="TGroup">
+  <xsd:attribute name="name" type="xsd:string" use="required"/>
+</xsd:complexType>
+
+<xsd:complexType name="TGroups">
+  <xsd:sequence>
+    <xsd:element name="Group" type="TGroup" minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+</xsd:complexType>
+
+<xsd:complexType name="TMachine">
+  <xsd:all>
+    <xsd:element name="MediaRegistry" type="TMediaRegistry" minOccurs="0"/>
+    <xsd:element name="Description" type="xsd:string" minOccurs="0"/>
+    <xsd:element name="Teleporter" type="TTeleporter" minOccurs="0"/>
+    <xsd:element name="Hardware" type="THardware"/>
+    <xsd:element name="StorageControllers" type="TStorageControllers" minOccurs="0"/>
+    <xsd:element name="HardDiskAttachments" type="THardDiskAttachments" minOccurs="0"/> <!-- deprecated -->
+    <xsd:element name="Groups" type="TGroups" minOccurs="0"/>
+    <xsd:element name="ExtraData" type="TExtraData" minOccurs="0"/>
+    <xsd:element name="Snapshot" type="TSnapshot" minOccurs="0"/>
+  </xsd:all>
+  <xsd:attribute name="name" type="TNonEmptyString" use="required"/>
+  <xsd:attribute name="nameSync" type="xsd:boolean" default="true"/>
+  <xsd:attribute name="directoryIncludesUUID" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="OSType" type="TNonEmptyString" use="required"/>
+  <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
+  <xsd:attribute name="stateFile" type="TLocalFile"/>
+  <xsd:attribute name="currentSnapshot" type="TNonNullUUID"/>
+  <xsd:attribute name="snapshotFolder" type="TLocalFile"/>
+  <xsd:attribute name="lastStateChange" type="TPresentDateTimeUTC"/>
+  <xsd:attribute name="aborted" type="xsd:boolean" default="false"/>
+  <xsd:attribute name="currentStateModified" type="xsd:boolean" default="true"/>
+  <xsd:attribute name="version" type="xsd:string" default="1.15"/> <!-- Used for OVF files only, must not be present in normal settings files. The default corresponds to settings created by 5.0, which covers many older versions but not newer ones. -->
+  <xsd:attribute name="VMProcessPriority" type="TVMProcPriority"/>
+</xsd:complexType>
+
+<xsd:complexType name="TSnapshot">
+  <xsd:all>
+    <xsd:element name="Description" type="xsd:string" minOccurs="0"/>
+    <xsd:element name="Hardware" type="THardware"/>
+    <xsd:element name="StorageControllers" type="TStorageControllers" minOccurs="0"/>
+    <xsd:element name="Snapshots" minOccurs="0">
+      <xsd:complexType>
+        <xsd:sequence>
+          <xsd:element name="Snapshot" type="TSnapshot" minOccurs="0" maxOccurs="unbounded"/>
+        </xsd:sequence>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:all>
+  <xsd:attribute name="name" type="xsd:token" use="required"/>
+  <xsd:attribute name="uuid" type="TNonNullUUID" use="required"/>
+  <xsd:attribute name="timeStamp" type="TPresentDateTimeUTC" use="required"/>
+  <xsd:attribute name="stateFile" type="TLocalFile"/>
+</xsd:complexType>
+
+<xsd:complexType name="TVirtualBox">
+  <xsd:choice>
+    <xsd:element name="Global" type="TGlobal"/>
+    <xsd:element name="Machine" type="TMachine">
+      <!-- @currentSnapshot must refer to an existing Snapshot/@uuid -->
+      <xsd:key name="snapshot">
+        <xsd:selector xpath=".//vb:Snapshot"/>
+        <xsd:field xpath="@uuid"/>
+      </xsd:key>
+      <xsd:keyref name="currentSnapshot" refer="vb:snapshot">
+        <xsd:selector xpath="."/>
+        <xsd:field xpath="@currentSnapshot"/>
+      </xsd:keyref>
+    </xsd:element>
+  </xsd:choice>
+  <xsd:attribute name="version" type="xsd:string" use="required"/>
+</xsd:complexType>
+
+<!-- Root element for all VirtualBox config files -->
+<xsd:element name="VirtualBox" type="TVirtualBox"/>
+
+</xsd:schema>
-- 
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