Tools/XMLSchema/FrameworkDataAttributes.xsd

   1 <?xml version="1.0" encoding="UTF-8"?>
   2 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" xmlns="http://www.TianoCore.org/2006/Edk2.0" targetNamespace="http://www.TianoCore.org/2006/Edk2.0">
   3     <!--
   4     Filename: FrameworkDataAttributes.xsd
   5
   6     Copyright (c) 2006, Intel Corp.
   7     All rights reserved. This program and the accompanying materials
   8     are licensed and made available under the terms and conditions of the BSD License
   9     which may be found at http://opensource.org/licenses/bsd-license.php
  10
  11     THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12     WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14   -->
  15     <xs:annotation>
  16         <xs:documentation xml:lang="en">This schema defines EFI and Framework Attribute. Only attributeGroups are specified in this file. </xs:documentation>
  17     </xs:annotation>
  18     <xs:include schemaLocation="NamingConvention.xsd"/>
  19     <xs:include schemaLocation="FrameworkDataTypes.xsd"/>
  20     <xs:attributeGroup name="BaseNameAttributes">
  21         <xs:attribute name="Guid" type="GuidType" use="optional"/>
  22         <xs:attribute name="Version" type="VersionDataType" use="optional"/>
  23     </xs:attributeGroup>
  24     <xs:attributeGroup name="BootModeAttributes">
  25         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
  26         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
  27         <xs:attribute name="BootModeName" type="BootModeNames" use="required"/>
  28         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
  29         <xs:attribute name="Guid" type="GuidType" use="optional"/>
  30         <xs:attribute name="Usage" type="BootModeUsage" use="required"/>
  31         <!-- DO NOT USE remove OverrideID from use -->
  32         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
  33     </xs:attributeGroup>
  34     <xs:attributeGroup name="ConvertAttributeString">
  35         <xs:attribute name="OutputFilename" type="FileNameConvention" use="optional"/>
  36         <xs:attribute name="SourceString" type="xs:string" use="optional"/>
  37         <xs:attribute default="Unicode" name="OutputFiletype" type="xs:string" use="optional"/>
  38     </xs:attributeGroup>
  39     <xs:attributeGroup name="DataHubAttributes">
  40         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
  41         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
  42         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
  43         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
  44         <xs:attribute name="Guid" type="GuidType" use="optional"/>
  45         <xs:attribute name="Usage" type="DataHubUsage" use="optional"/>
  46         <!-- DO NOT USE remove OverrideID from use -->
  47         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
  48     </xs:attributeGroup>
  49     <xs:attributeGroup name="DirectoryAttributes">
  50         <xs:attribute name="Separator" type="ToothPick"/>
  51     </xs:attributeGroup>
  52     <xs:attributeGroup name="EventAttributes">
  53         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
  54         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
  55         <xs:attribute name="EventGroup" type="EventTypes" use="optional"/>
  56         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
  57         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
  58         <xs:attribute name="Guid" type="GuidType" use="optional"/>
  59         <xs:attribute name="Usage" type="EventUsage" use="optional"/>
  60         <!-- DO NOT USE remove OverrideID from use -->
  61         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
  62     </xs:attributeGroup>
  63     <xs:attributeGroup name="ExternAttributes">
  64         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
  65         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
  66         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
  67         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
  68         <xs:attribute name="Guid" type="GuidType" use="optional"/>
  69         <xs:attribute name="Usage" type="ExternUsage" use="optional"/>
  70         <!-- DO NOT USE remove OverrideID from use -->
  71         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
  72     </xs:attributeGroup>
  73     <xs:attributeGroup name="FilenameAttributes">
  74         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
  75         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
  76         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
  77         <!-- LAH Does a Filename need to have FeatureFlag Attribute? -->
  78         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
  79         <xs:attribute name="FileType" type="xs:string" use="optional"/>
  80         <xs:attribute name="Guid" type="GuidType" use="optional"/>
  81         <xs:attribute name="Path" type="DirectoryNamingConvention" use="optional"/>
  82         <xs:attribute name="ToolChain" type="ToolChains" use="optional"/>
  83         <xs:attribute name="Usage" type="FileNameUsage" use="optional"/>
  84         <!-- DO NOT USE remove OverrideID from use -->
  85         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
  86     </xs:attributeGroup>
  87     <xs:attributeGroup name="FormsetAttributes">
  88         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
  89         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
  90         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
  91         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
  92         <xs:attribute name="Guid" type="GuidType" use="optional"/>
  93         <xs:attribute name="Usage" type="FormSetUsage" use="optional"/>
  94         <!-- DO NOT USE remove OverrideID from use -->
  95         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
  96     </xs:attributeGroup>
  97     <xs:attributeGroup name="GuidAttributes">
  98         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
  99         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 100         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 101         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 102         <xs:attribute name="Usage" type="GuidUsage" use="optional"/>
 103         <!-- DO NOT USE remove OverrideID from use -->
 104         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 105     </xs:attributeGroup>
 106     <xs:attributeGroup name="HobAttributes">
 107         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 108         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 109         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 110         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 111         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 112         <xs:attribute name="HobType" type="HobTypes" use="required"/>
 113         <xs:attribute default="true" name="HobEnabled" type="xs:boolean" use="optional"/>
 114         <xs:attribute name="Usage" type="HobUsage" use="optional"/>
 115         <!-- DO NOT USE remove OverrideID from use -->
 116         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 117     </xs:attributeGroup>
 118     <xs:attributeGroup name="IncludeAttributes">
 119         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 120         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 121         <xs:attribute name="Class" type="BaseNameConvention" use="optional"/>
 122         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 123         <!-- LAH Does a Include need to have FeatureFlag Attribute? -->
 124         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 125         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 126         <xs:attribute name="ModuleType" type="ModuleTypeDef" use="optional"/>
 127         <xs:attribute name="Path" type="DirectoryNamingConvention" use="optional"/>
 128         <xs:attribute name="Version" type="VersionDataType" use="optional"/>
 129         <!-- DO NOT USE remove OverrideID from use -->
 130         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 131     </xs:attributeGroup>
 132     <xs:attributeGroup name="LibraryAttributes">
 133         <!-- LibraryAttributes is used for Libraries -> Library elements in FPD files -->
 134         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 135         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 136         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 137         <!-- LAH Does a LibraryInstance need to have FeatureFlag Attribute? -->
 138         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 139         <!-- DO NOT USE remove Guid from use, Start using ModuleGuid instead -->
 140         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 141         <!-- DO NOT USE remove ClassGuid from use, Start using LibraryClassGuid instead -->
 142         <xs:attribute name="ClassGuid" type="GuidType" use="optional"/>
 143         <!-- DO NOT USE remove LibraryGuid from use, Start using ModuleGuid instead -->
 144         <xs:attribute name="LibraryGuid" type="GuidType" use="optional"/>
 145         <xs:attribute name="LibraryClass" type="BaseNameConvention" use="optional"/>
 146         <xs:attribute name="LibraryClassGuid" type="GuidType" use="optional"/>
 147         <xs:attribute name="ModuleGuid" type="GuidType" use="optional"/>
 148         <xs:attribute name="ModuleVersion" type="VersionDataType" use="optional"/>
 149         <!-- DO NOT USE remove Package from use, Start using PackageName instead -->
 150         <xs:attribute name="Package" type="xs:string" use="optional"/>
 151         <xs:attribute name="PackageGuid" type="GuidType" use="optional"/>
 152         <xs:attribute name="PackageName" type="BaseNameConvention" use="optional"/>
 153         <xs:attribute name="PackageVersion" type="VersionDataType" use="optional"/>
 154         <xs:attribute name="Usage" type="LibraryUsage" use="optional"/>
 155         <!-- DO NOT USE remove Version from use, Start using ModuleVersion instead -->
 156         <xs:attribute name="Version" type="VersionDataType" use="optional"/>
 157         <!-- DO NOT USE remove OverrideID from use -->
 158         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 159     </xs:attributeGroup>
 160     <xs:attributeGroup name="LibraryClassAttributes">
 161         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 162         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 163         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 164         <xs:attribute name="RecommendedInstance" type="xs:NCName" use="optional"/>
 165         <xs:attribute name="RecommendedInstanceGuid" type="GuidType" use="optional"/>
 166         <xs:attribute name="Usage" type="LibraryUsage" use="required"/>
 167     </xs:attributeGroup>
 168     <xs:attributeGroup name="ModuleNameAttributes">
 169         <xs:attribute name="Guid" type="GuidType" use="required"/>
 170         <!-- DO NOT USE remove Guid from use, Start using ModuleGuid instead -->
 171         <xs:attribute name="ModuleGuid" type="GuidType" use="required"/>
 172         <xs:attribute name="ModuleVersion" type="VersionDataType" use="optional"/>
 173         <!-- DO NOT USE remove Version from use, Start using ModuleVersion instead -->
 174         <xs:attribute name="Version" type="VersionDataType" use="optional"/>
 175     </xs:attributeGroup>
 176     <xs:attributeGroup name="ModuleNameSaAttributes">
 177         <!-- DO NOT USE remove Guid from use, Start using ModuleGuid instead -->
 178         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 179         <xs:attribute name="ModuleGuid" type="GuidType" use="required"/>
 180         <xs:attribute name="ModuleName" type="xs:NCName" use="required"/>
 181         <xs:attribute name="ModuleVersion" type="VersionDataType" use="optional"/>
 182         <!-- DO NOT USE remove Version from use, Start using ModuleVersion instead -->
 183         <xs:attribute name="Version" type="VersionDataType" use="optional"/>
 184     </xs:attributeGroup>
 185     <xs:attributeGroup name="MsaAttributes">
 186         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 187         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 188         <xs:attribute name="BuildSequence" type="xs:int" use="optional"/>
 189         <xs:attribute name="FvBinding" type="xs:string" use="optional"/>
 190         <xs:attribute name="ModuleName" type="xs:NCName" use="optional"/>
 191         <xs:attribute name="ModuleGuid" type="GuidType" use="optional"/>
 192         <xs:attribute name="PackageName" type="BaseNameConvention" use="optional"/>
 193         <xs:attribute name="PackageGuid" type="GuidType" use="optional"/>
 194     </xs:attributeGroup>
 195     <xs:attributeGroup name="OptionAttributes">
 196         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 197         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 198         <xs:attribute name="BuildTarget" type="BuildTargets" use="optional"/>
 199         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 200         <!-- LAH Does an Option need to have FeatureFlag Attribute? -->
 201         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 202         <xs:attribute name="Platform" type="PlatformNamingConvention" use="optional"/>
 203         <xs:attribute name="ToolChain" type="ToolChains" use="optional"/>
 204         <xs:attribute name="ToolChainTag" type="xs:NCName" use="optional"/>
 205         <!-- DO NOT USE remove OverrideID from use -->
 206         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 207     </xs:attributeGroup>
 208     <xs:attributeGroup name="PackageAttributes">
 209         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 210         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 211         <xs:attribute name="PackageGuid" type="GuidType" use="optional"/>
 212         <xs:attribute name="PackageType" type="PackageType" use="optional"/>
 213         <xs:attribute name="PackageVersion" type="xs:string" use="optional"/>
 214         <xs:attribute name="UpdatedDate" type="DateType" use="optional"/>
 215         <xs:attribute name="Usage" type="PackageUsage" use="optional"/>
 216     </xs:attributeGroup>
 217     <!-- PackageNameAttributres are only used in the Package Dependencies section of an SPD file. -->
 218     <xs:attributeGroup name="PackageNameAttributes">
 219         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 220         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 221         <!-- DO NOT USE remove Guid and start using PackageGuid instead -->
 222         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 223         <xs:attribute name="PackageGuid" type="GuidType" use="optional"/>
 224         <!-- PackageTypeDepencency is used to identify if a SOURCE or BINARY PackageType is required, in case PackageGuid and/or PackageVersion are not tracked. -->
 225         <xs:attribute name="PackageTypeDependency" type="PackageType" use="optional"/>
 226         <xs:attribute name="PackageVersion" type="xs:string" use="optional"/>
 227         <!-- DO NOT USE remove Version and start using PackageVersion instead -->
 228         <xs:attribute name="Version" type="VersionDataType" use="optional"/>
 229     </xs:attributeGroup>
 230     <xs:attributeGroup name="PcdAttributes">
 231         <xs:annotation>
 232             <xs:documentation xml:lang="en">These attributes are for the Pcds listed in PcdData, PcdEntry and/or PcdBuildData entries.</xs:documentation>
 233             <xs:documentation xml:lang="en">PcdUsage is only valid for PcdItemTypes = FEATURE_FLAG</xs:documentation>
 234             <xs:documentation xml:lang="en">Only NON FEATURE_FLAG PCDS should have the FeatureFlag attribute set.</xs:documentation>
 235         </xs:annotation>
 236         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 237         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 238         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 239         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 240         <xs:attribute name="ItemType" type="PcdItemTypes" use="required"/>
 241         <xs:attribute name="PcdUsage" type="PcdUsage" use="optional"/>
 242         <!-- DO NOT USE remove OverrideID from use -->
 243         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 244     </xs:attributeGroup>
 245     <xs:attributeGroup name="PlatformAttributes">
 246         <!-- DO NOT USE remove AlternateName from use -->
 247         <xs:attribute name="AlternateName" type="FileNameConvention" use="optional"/>
 248         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 249         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 250         <!-- DO NOT USE remove Guid from use -->
 251         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 252         <xs:attribute name="PlatformName" type="PlatformNamingConvention" use="optional"/>
 253         <xs:attribute name="PlatformGuid" type="GuidType" use="optional"/>
 254         <xs:attribute name="PlatformVersion" type="xs:string" use="optional"/>
 255         <!-- DO NOT USE remove Version and start using PlatformVersion instead -->
 256         <xs:attribute name="Version" type="VersionDataType" use="optional"/>
 257     </xs:attributeGroup>
 258     <xs:attributeGroup name="PpiAttributes">
 259         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 260         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 261         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 262         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 263         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 264         <xs:attribute name="Usage" type="PpiUsage" use="optional"/>
 265         <!-- DO NOT USE remove OverrideID from use -->
 266         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 267     </xs:attributeGroup>
 268     <xs:attributeGroup name="PpiNotifyAttributes">
 269         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 270         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 271         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 272         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 273         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 274         <xs:attribute name="Usage" type="PpiNotifyUsage" use="optional"/>
 275         <!-- DO NOT USE remove OverrideID from use -->
 276         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 277     </xs:attributeGroup>
 278     <xs:attributeGroup name="ProtocolAttributes">
 279         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 280         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 281         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 282         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 283         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 284         <xs:attribute name="Usage" type="ProtocolUsage" use="optional"/>
 285         <!-- DO NOT USE remove OverrideID from use -->
 286         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 287     </xs:attributeGroup>
 288     <xs:attributeGroup name="ProtocolNotifyAttributes">
 289         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 290         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 291         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 292         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 293         <xs:attribute name="Usage" type="ProtocolNotifyUsage" use="optional"/>
 294         <!-- DO NOT USE remove OverrideID from use -->
 295         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 296     </xs:attributeGroup>
 297     <xs:attributeGroup name="SectionAttributes">
 298         <xs:annotation>
 299             <xs:documentation xml:lang="en">Attributes are either compressable and/or sequence order binding</xs:documentation>
 300         </xs:annotation>
 301         <xs:attribute name="BindingOrder" type="xs:int" use="optional"/>
 302         <xs:attribute default="true" name="Compressible" type="xs:boolean" use="optional"/>
 303         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 304         <!-- LAH Does a Section need to have FeatureFlag Attribute? -->
 305         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 306         <xs:attribute name="SectionType" type="EfiSectionType" use="optional"/>
 307         <!-- DO NOT USE remove OverrideID from use -->
 308         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 309     </xs:attributeGroup>
 310     <xs:attributeGroup name="SectionsAttributes">
 311         <xs:annotation>
 312             <xs:documentation xml:lang="en">Attributes for Sections, EncapsulationTag, EncapsulationType and FeatureFlag</xs:documentation>
 313         </xs:annotation>
 314         <xs:attribute name="EncapsulationType" type="xs:normalizedString" use="optional"/>
 315         <xs:attribute name="EncapsulationTag" type="xs:string" use="optional"/>
 316         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 317         <!-- LAH Does a Filename need to have FeatureFlag Attribute? -->
 318         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 319         <!-- DO NOT USE remove OverrideID from use -->
 320         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 321     </xs:attributeGroup>
 322     <xs:attributeGroup name="SystemTableAttributes">
 323         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 324         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 325         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 326         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 327         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 328         <xs:attribute name="Usage" type="SystemTableUsage" use="optional"/>
 329         <!-- DO NOT USE remove OverrideID from use -->
 330         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 331     </xs:attributeGroup>
 332     <xs:attributeGroup name="UrlAttribute">
 333         <xs:attribute name="Url" type="xs:anyURI"/>
 334     </xs:attributeGroup>
 335     <xs:attributeGroup name="VariableAttributes">
 336         <xs:attribute name="Arch" type="SupportedArchitectures" use="optional"/>
 337         <xs:attribute name="ArchType" type="ArchList" use="optional"/>
 338         <xs:attribute default="true" name="EnableFeature" type="xs:boolean" use="optional"/>
 339         <xs:attribute name="FeatureFlag" type="xs:normalizedString" use="optional"/>
 340         <xs:attribute name="Guid" type="GuidType" use="optional"/>
 341         <xs:attribute name="Usage" type="VariableUsage" use="optional"/>
 342         <!-- DO NOT USE remove OverrideID from use -->
 343         <xs:attribute name="OverrideID" type="xs:int" use="optional"/>
 344     </xs:attributeGroup>
 345 </xs:schema>