All Classes

Class	Description
AbstractDataMigrationManager	Template for DataMigrationManager.
AbstractDropNotNullDataMigration	Remove a non-null constraint from a colomn.
AbstractHibernateDataMigration	Template for data migration of hibernate store.
AbstractMandatoryClassInitializer	Base class for standard mandatory document initializers.
AbstractMandatoryDocumentInitializer	Base class for standard mandatory document initializers.
AbstractPropChangeAction	Base class for manipulating property definitions: disable, enable, delete.
AbstractResizeMigration	Extended by migrations which need to resize columns to the maximum index supported by MySQL: 768.
AbstractSimpleClass	Deprecated. extending this abstract is a very bad idea since reflection based equals/hashCode/toString is at best very bad for performances and can ends up including things you were not expecting
AbstractStatsStoreItem	Base class of interface XWikiStatsStoreItem.
AbstractXWikiAuthService	Common methods useful to all Authentication services implementations.
AbstractXWikiRecordableEventDescriptor	Abstract implementation of RecordableEventDescriptor for all events sent by oldcore.
AbstractXWikiRunnable	Base class for any XWiki daemon class.
ActionFilter	A filter that dispatches requests to the right action, depending on the button that was pressed in the editing form.
AdminAction	Administration xwiki action.
AllowDeny	Contains list of users and groups for allow right and deny right.
Api	Base class for all API Objects.
AppServerTrustedAuthServiceImpl	Implements an authentication mechanism which is trusting the App Server authentication.
AppServerTrustedKerberosAuthServiceImpl	Specialized version of the AppServerTrustedAuthServiceImpl that extract usernames out of Kerberos principals.
AttachAction
Attachment
AttachmentDiff	Safe version of AttachmentDiff that can be used by the scripts.
AttachmentDiff
AttachmentRecycleBinContentStore	Store the content of a deleted attachment.
AttachmentRecycleBinStore	Interface for AttachmentRecycleBin feature (XWIKI-2254) store system.
AttachmentVersioningStore	Interface for storing attachment versions.
BaseClass	Represents an XClass, and contains XClass properties.
BaseCollection<R extends EntityReference>	Base class for representing an element having a collection of properties.
BaseElement<R extends EntityReference>	Base class for representing an element having a name (either a reference of a free form name) and a pretty name.
BaseObject
BaseObjectReference	Object reference implementation for object names generated in className[objectNumber] format.
BaseProperty<R extends EntityReference>
BaseStringProperty	Base string XProperty which all types of string XProperties extend.
BooleanClass
BooleanMetaClass	Defines the meta properties of a boolean XClass property.
BufferedResponse
BufferOutputStream
CancelAction
Class
ClassInterface
Collection
CommentAddAction	Action used to post a comment on a page, adds a comment object to the document and saves it, requires comment right but not edit right.
CommentSaveAction	Action used to edit+save an existing comment in a page, saves the comment object in the document, requires comment right but not edit right.
ComputedFieldClass	Computed Field Class allows to create a field without storage that will display computed values based on other data in the object or wiki.
ComputedFieldMetaClass	Computed Field Class allows to create a field without storage that will display computed values based on other data in the object or wiki.
Context	Provides a secure proxy for the internal XWikiContext class, that can be used safely in scripts.
CoreConfiguration	Configuration properties for the Core module.
CreateAction	Create document action.
CreateActionRequestHandler	Helper class used to handle one individual create action request.
CriteriaService	Criteria service api.
DatabaseProduct	Represent a Database Product name as returned by DatabaseMetaData.getDatabaseProductName().
DataMigration	Interface for data migration.
DataMigrationException	Exception issued by the data migration components for an unexpected issue.
DataMigrationManager	Interface for all migration managers.
DataMigrationStatus	Common interface to report data migration status.
DateClass	Defines an XClass property type whose value is a Date.
DateMetaClass	Defines the meta properties of a date XClass property.
DateProperty	Represents a date property.
DBCPConnectionProvider	A connection provider that uses an Apache commons DBCP connection pool.
DBListClass
DBListMetaClass	Defines the meta properties of a database list XClass property.
DBStringListProperty
DBTreeListClass
DBTreeListMetaClass	Defines the meta properties of a database tree list XClass property.
DefaultDocumentAccessBridge	Exposes methods for accessing Document data.
DefaultHibernateSessionFactory	Deprecated. since 11.5RC1
DefaultQueryExecutor	The default QueryExecutor, this uses The HqlQueryExecutor since XWikiHibernateStore is the default store.
DefaultSkinAccessBridge	Default implementation of SkinAccessBridge.
DefaultVelocityManager	Note: This class should be moved to the Velocity module.
DeleteAction	Action for delete document to recycle bin and for delete documents from recycle bin.
DeleteAttachmentAction	Delete attachment xwiki action.
DeletedAttachment	Information about a deleted attachment in the recycle bin.
DeletedAttachment	Archive of deleted attachment, stored in AttachmentRecycleBinStore.
DeletedAttachmentContent	The content of the stored deleted attachment.
DeletedDocument	Information about a deleted document in the recycle bin.
DeleteSpaceAction	Action for deleting an entire space, optionally saving all the deleted documents to the document trash, if enabled.
DeleteVersionsAction	Struts action for deleting document versions.
DeleteVersionsForm	Struts form for DeleteVersionsAction.
DeprecatedContext	Deprecated. use Context instead
DisplayScriptService	Exposes Displayers to scripts.
Document	This class represents a document or page in the wiki.
DocumentCommentedEventDescriptor	Descriptor for CommentAddedEvent.
DocumentCreatedEventDescriptor	Descriptor for the DocumentCreatedEvent.
DocumentDeletedEventDescriptor	Descriptor for the DocumentDeletedEvent.
DocumentFilter	Deprecated. since 5.2, use Filter framework instead
DocumentInfo	Deprecated. since 5.2, use Filter framework instead
DocumentInfoAPI	Deprecated. since 5.2, use Filter framework instead
DocumentRevisionExcepion	Exception generated by DocumentRevisionProvider.
DocumentRevisionProvider	Provide generic way of requesting a specific revision of a document from several sources (database, installed XAR extension, etc.).
DocumentSection
DocumentStats	The document statistics database object.
DocumentStats.Property	The properties of document statistics object.
DocumentStatsStoreItem	Store document statistics into the database.
DocumentUpdatedEventDescriptor	Descriptor for the DocumentUpdatedEvent.
DoubleProperty
DownloadAction	The action for downloading attachments from the server.
DownloadRevAction
Duration	Immutable duration for retrieving statistics.
DurationFactory	Helper factory class for creating Duration objects in velocity.
EditAction	Initializes a document before it is edited.
EditBean
EditForm	An object containing the information sent in an action request to perform changes on a document.
Element	Element is a superclass for any XWiki Class, Object, or Property which might be stored in the database.
ElementComparator	Compare and sort instances of ElementInterface by name.
ElementInterface
EmailClass	Email Field Class allows to create a field for email values.
EmailMetaClass	Email Field Class allows to create a field for email values.
ExcludeDocumentException	Deprecated. since 5.2, use Filter framework instead
ExportAction	Exports in XAR, PDF, HTML and all output formats supported by *Office (when an *Office Server is running).
ExportURLFactory	Handle URL generation in rendered wiki pages.
ExportURLFactoryActionHandler	Allows code to override how to handle creating URLs for specific Entity resource actions.
ExternalServletURLFactory	URL Factory which always prints the absolute (external) form of URLs.
FileSystemURLFactory	Special URL Factory used during exports, which stores referenced attachments and resources on the filesystem, in a temporary folder, so that they can be included in the export result.
FileUploadPlugin	Plugin that offers access to uploaded files.
FileUploadPluginApi	Plugin that offers access to uploaded files.
FloatProperty
GetAction	Action used to get a resource that is a part of a page loaded asynchronously generally for performance reasons.
GroovyAuthServiceImpl
GroupsClass	Defines an XClass property type whose value is a list of group references.
GroupsMetaClass	Defines the meta properties of a groups XClass property.
HibernateAttachmentRecycleBinStore	Realization of AttachmentRecycleBinStore for Hibernate-based storage.
HibernateAttachmentVersioningStore	Realization of AttachmentVersioningStore for Hibernate-based storage.
HibernateDataMigration	Hibernate data migrations role.
HibernateDataMigrationManager	Migration manager for hibernate store.
HibernateSessionFactory	Deprecated. since 11.5RC1
HomePageRedirectServlet	A simple action that redirects to the main page of the wiki.
HqlQueryExecutor	QueryExecutor implementation for Hibernate Store.
HtmlPackager	Create a ZIP package containing a range of HTML pages with skin and attachment dependencies.
ImportAction	XWiki Action responsible for importing XAR archives.
IncludeServletAsString
IntegerProperty
JobRequestContext	Deprecated. since 10.9RC1, use ContextStore instead
LargeStringProperty
LazyXWikiDocument	Read only lazy loading document.
LegacyActionServlet	Executed the right right action depending on the XWiki configuration (for example leading to view action by default if enabled, etc.).
LegacyDataMigration	Migration for XWIKI4396: Duplicate document ID.
LevelsClass
LevelsMetaClass	Defines the meta properties of a access rights levels XClass property.
LevelTree	Contains all rights for a level right.
ListClass
ListItem	An entry in a List or in a Tree.
ListMetaClass	Defines the default meta properties for all list XClass property types.
ListProperty
ListProperty.NotifyList	List implementation for updating dirty flag when updated.
LockAction
LoginAction	Action for displaying the login form.
LoginErrorAction	Action for re-displaying the login form when the submitted username and password are wrong.
LoginSubmitAction	Action for processing login requests sent using the normal web login form.
LogoutAction	Action for processing logout requests.
LongProperty
MailPlugin
MailPluginApi
MandatoryDocumentInitializer	Provide a document that should be initialized at startup and when creating a new wiki.
MandatoryDocumentInitializerManager	Provide utility method to access various mandatory document initializers.
MetaClass	A pseudo XClass whose fields are meta properties.
MetaDataDiff
MigrationRequiredException	Exception issued by the data migration components when an access is attempted on a database that have not been migrated to the latest version.
MonitorData
MonitorPlugin
MonitorTimer
MonitorTimerSummary
MyBasicAuthenticator
MyFilterConfig
MyFormAuthenticator
MyPersistentLoginManager	Class responsible for remembering the login information between requests.
NumberClass
NumberMetaClass	Defines the meta properties of a number XClass property.
NumberProperty<N extends Number>
Object
ObjectAddAction
ObjectAddForm	Note: We store the class name as a String and not a Document Reference since Struts Form beans are called before there's an Execution Context available and before there's a current document in the Execution Context.
ObjectDiff
ObjectInterface
ObjectPolicyType	Enumeration of supported object policy types.
ObjectRemoveAction
ObjectRemoveForm
ObjectsSynchronizeAction	Synchronizes the objects in a document with their current classes, by removing any deprecated properties.
Package	Deprecated. since 5.2, use Filter framework instead
PackageAPI	Deprecated. since 5.2, use Filter framework instead
PackageException	Deprecated. since 5.2, use Filter framework instead
PackagePlugin	Deprecated. since 5.2, use Filter framework instead
PageClass	Page Field Class allows to create a field for storing page references.
PageMetaClass	Page Field Class allows to create a field for storing page references.
ParentChildScriptService	This script service give an access to the configuration of the parent/child mechanism, which has been deprecated but can still be enabled for retro-compatibility issues.
PasswordClass
PasswordMetaClass	Defines the meta properties of a boolean XClass property.
PdfExport	PDF Exporter, converts a wiki Document into PDF.
PdfExport.ExportType	Describes export types.
PdfExportImpl	Default implementation for the PDF Export process, which uses XSLT transformations and Apache FOP to convert a Document into PDF, passing through HTML, valid XHTML, styled XHTML, and XSL-FO.
PDFResourceResolver	Resolves URIs sent by Apache FOP to embed images in the exported PDF.
PdfURLFactory	Deprecated.
Period	Immutable period for retrieving statistics.
PeriodFactory	Helper factory class for creating Period objects in velocity.
PluginApi<T extends XWikiPluginInterface>	Deprecated. the plugin technology is deprecated, consider rewriting as components
PluginException	Deprecated. the plugin technology is deprecated, and XWikiException was a bad idea from the start
PreviewAction	Action for previewing document changes.
PreviewForm
Programming	Indicates that a method requires programming rights to be executed.
PropAddAction
PropAddForm
PropChangeForm	Struts Form for the class property delete, property disable and property enable actions.
PropDeleteAction	Action for removing a property definition from the current class.
PropDisableAction	Action for disabling a property definition of the current class.
PropEnableAction	Action for re-enabling a property definition of the current class.
Property	Property is a single attribute of an XWiki Object.
PropertyClass	XProperty definition API.
PropertyClass	Represents an XClass property and contains property definitions (eg "relational storage", "display type", "separator", "multi select", etc).
PropertyClassInterface	The interface implemented by all XClass properties.
PropertyInterface
PropertyMetaClass	Default implementation of PropertyMetaClassInterface.
PropUpdateAction
R1008010XWIKI10092DataMigration	Migration for XWIKI-10092.
R1138000XWIKI16709DataMigration	Migration for XWIKI-16709: the disable property is removed and a checked_email property is added from XWikiUsers.
R130200000XWIKI17200DataMigration	This migration aims at applying the fix done on https://jira.xwiki.org/browse/XWIKI-15215 (change the type of some column so that they fit in the maximum allowed maximum row size for the used table type) instances older than 11.3RC1.
R140000000XWIKI19125DataMigration	Migration for XWIKI-19125: Copy the author reference value to the new original metadata author reference.
R140200000XWIKI19352DataMigration	Remove the xwikilinks table to allow it to be recreated from scratch.
R140200010XWIKI19207DataMigration	This migration increase the maximum size of various columns to the maximum index supported by MySQL: 768.
R140600000XWIKI19869DataMigration	Migration responsible for ensuring the password fields are properly hashed.
R15428XWIKI2977DataMigration	Migration for XWIKI2977: Add a Globally Unique Identifier (GUID) to objects.
R35100XWIKI7564DataMigration	Migration for XWIKI-7564: Manually change the SQL type of long binary columns from inline bytea to proper LOBs when the underlying database is PostgreSQL.
R35101XWIKI7645DataMigration	Migration for XWIKI-7564: Manually change the SQL type of long binary columns from LONG RAW to proper BLOBs when the underlying database is Oracle.
R35102XWIKI7771DataMigration	Migration for XWIKI-7771: Fix the LOBs wrongly created by the 3.2-3.5 mapping files for PostgreSQL.
R40000XWIKI6990DataMigration	Migration for XWIKI-6990 Reduce the likelihood of having same (hibernate) document id for different documents.
R42000XWIKI7726DataMigration	Migration for XWIKI-7726: Unable to delete attachments larger than 10 mb using the jetty + hsql distribution.
R43000XWIKI6691DataMigration	Migration for XWIKI-6691: Reduce the size of the ASE_REQUESTID column to 48-chars.
R4340XWIKI883DataMigration	Migration for XWIKI-883: global access preferences cannot be updated.
R4359XWIKI1459DataMigration	Migration for XWIKI1459: keep document history in a separate table.
R54600TranslationDataMigration	Fix any existing mistake with document translation field.
R6079XWIKI1878DataMigration	Migration for XWIKI1878: Fix xwikircs table isdiff data not matching RCS state of some revisions (when the state says "full" the isdiff column in the database should be false).
R6405XWIKI1933DataMigration	Migration for XWIKI1933: Editing users fails.
R72000XWIKI12153DataMigration	Migration for XWIKI-12153: Implement nested spaces support at database level.
R72001XWIKI12228DataMigration	Migration for XWIKI-12228: Provide API and probably storage for optimized space related queries.
R73000XWIKI12277DataMigration	Migration for XWIKI-12277: Remove the 'type' xproperty from TemplateProviderClass
R7350XWIKI2079DataMigration	Migration for XWIKI2079: When migrating the document archive format from 1.0 or before to 1.2, delete the old XWD_ARCHIVE field, as it will prevent saving documents, since that column used to have a NOT NULL constraint.
R90000XWIKI13474DataMigration	Migration for XWIKI-13474.
R911000XWIKI14889DataMigration	Migration for XWIKI-14889.
R911001XWIKI14895DataMigration	Migration for XWIKI-14895.
Range	Immutable continuous integer range.
RangeFactory	Helper factory class for creating Range objects in velocity
RedirectAction
RedirectionFilter	Allows to perform a redirection according to the context.
RefererStats	The referer statistics database object.
RefererStats.Property	The properties of document statistics object.
RefererStatsStoreItem	Store referer statistics into the database.
RegisterAction	Register xwiki action.
RequestLimit	Contains maximum number of result to return and index of the first element.
ResetVersionsAction
RevisionCriteria	information about document versions used to retreive a set of document versions.
RevisionCriteriaFactory
RevisionInfo	API object for get info about some version of Document.
RightsManager	Hidden toolkit used by the plugin API that make all the plugin's actions.
RightsManagerException	Rights Manager plugin base exception.
RightsManagerGroupsApi	API for managing groups.
RightsManagerListener	Listener to user and groups events to apply related automatic task like cleaning groups and rights objects.
RightsManagerPlugin	Entry point of the Rights Manager plugin.
RightsManagerPluginApi	API for managing rights, users and groups.
RightsManagerRightsApi	API for managing rights and inheritance.
RightsManagerUsersApi	API for managing users.
RollbackAction
RollbackForm
SaveAction	Action used for saving and proceeding to view the saved page.
SaveAndContinueAction	Action used for saving and returning to the edit page rather than viewing changes.
Scope	Immutable scope for retrieving statistics.
ScopeFactory	Helper factory class for creating Scope objects in velocity
ScriptHttpSession	A wrapper around HttpSession with security related checks.
ScriptVelocityContext	Maintains the current ScriptContext in sync with any modification of the VelocityContext.
ScriptXWikiServletRequest	A wrapper around XWikiRequest with security related checks.
SearchEngineRule	Matching tool able to find if a referer is a particular search engine.
SheetScriptService	Exposes SheetManager and SheetBinder to Velocity scripts.
SkinAction	Action for serving skin files.
StaticListClass
StaticListMetaClass	Defines the meta properties of a static list XClass property.
StatsService	Statistics api.
StatsUtil	Utility class for statistics.
StatsUtil.PeriodType	The type of the period.
StringClass
StringListProperty
StringMetaClass	Defines the meta properties of a string XClass property.
StringProperty	XProperty for containing a string of limited size (default 255 characters max).
SVGAction
SVGPlugin
SVGPluginApi
TemporaryAttachmentException	Dedicated exception for the operations related to TemporaryAttachmentSessionsManager.
TemporaryAttachmentSessionsManager	Interface for operations related to temporary upload of attachments.
TextAreaClass
TextAreaClass.ContentType	Possible values for the contenttype meta property.
TextAreaClass.EditorType	Possible values for the editor meta property.
TextAreaMetaClass	Defines the meta properties of a text area XClass property.
TimezoneClass	Timezone Field Class allows to create a field for Timezone values.
TimezoneMetaClass	Defines the meta properties of a Timezone XClass property.
TOCGenerator
UndeleteAction	Action for restoring documents from the recycle bin.
UnknownAction	Action used when the url given to struts is not recognised as a valid action.
UploadAction	Action that handles uploading document attachments.
User	Scriptable API for easy handling of users.
UsersClass	Defines an XClass property type whose value is a list of user references.
UsersGroups	Contains a collection of users and groups.
UsersMetaClass	Defines the meta properties of a users XClass property.
Util	Utility APIs, available to scripting environments under the util variable.
Util
Utils
ViewAction	Action called when the request URL has the "/view/" string in its path (this is configured in struts-config.xml.
ViewAttachRevAction
VisitStats	The visit statistics database object.
VisitStats.Property	The properties of visit statistics object.
VisitStatsStoreItem	Store visit statistics into the database.
VoidAttachmentVersioningStore	Void store for attachment versioning when it is disabled.
VoidAttachmentVersioningStore.VoidAttachmentArchive	Void realization of AttachmentArchive.
WikiSubstitution
WrappingXWikiRequest	A wrapper around XWikiRequest.
XWiki
XWiki
XWikiAction	Root class for most XWiki actions.
XWikiAttachment
XWikiAttachment.AttachmentContainer
XWikiAttachmentArchive	JRCS based implementation of an archive for XWikiAttachment.
XWikiAttachmentContent	The content of an attachment.
XWikiAttachmentStoreInterface	Interface for Attachment store system.
XWikiAuthenticator
XWikiAuthService
XWikiAuthServiceImpl	Default implementation of XWikiAuthService.
XWikiCacheStore	A proxy store implementation that caches Documents when they are first fetched and subsequently return them from a cache.
XWikiCacheStoreInterface
XWikiConfig	Deprecated. since 6.1M2, use XWikiCfgConfigurationSource component instead
XWikiConstant
XWikiContext	Represents the execution environment for all the wiki pages.
XWikiContextInitializationFilter	This filter can be used to initialize the XWiki context before processing a request.
XWikiContextInitializer	Initialize a XWikiContext with various properties.
XWikiCriteriaService
XWikiCriteriaServiceImpl
XWikiDBVersion	Stores XWiki's data version in the database.
XWikiDefaultPlugin	Deprecated. the plugin technology is deprecated, consider rewriting as components
XWikiDefaultStore
XWikiDefaultURLFactory
XWikiDefaultValidation
XWikiDeletedDocument	Archive of deleted document, stored in XWikiRecycleBinStoreInterface.
XWikiDeletedDocumentContent	The content of the stored deleted document.
XWikiDocument
XWikiDocument.XWikiAttachmentToRemove	An attachment waiting to be deleted at next document save.
XWikiDocumentArchive	Contains document history.
XWikiDocumentIndexingTask	Hold the information about a queued task.
XWikiEngineContext
XWikiException
XWikiFOPEventListener	Prevent errors happening in FOP from stopping the PDF export.
XWikiForm
XWikiGroupService	Interface giving access to users and groups management.
XWikiGroupServiceImpl	Default implementation of XWikiGroupService users and groups manager.
XWikiHibernateAttachmentStore
XWikiHibernateBaseStore
XWikiHibernateBaseStore.HibernateCallback<T>	Callback (closure) interface for operations in Hibernate.
XWikiHibernateRecycleBinStore	Realization of XWikiRecycleBinStoreInterface for Hibernate store.
XWikiHibernateStore	The XWiki Hibernate database driver.
XWikiHibernateVersioningStore	Realization of XWikiVersioningStoreInterface for Hibernate-based storage.
XWikiLink	Deprecated. link storage and indexing moved to Solr (implemented in xwiki-platform-search-solr-api)
XWikiLock
XWikiMessageTool	Deprecated. since 4.3M2 use the LocalizationManager component instead
XWikiPageClassLoader
XWikiPatch	Contains differences between revisions.
XWikiPatchUtils	Diff and patch utility.
XWikiPluginInterface	Deprecated. the plugin technology is deprecated, consider rewriting as components
XWikiPluginManager
XWikiRCSArchive	Class for String [de]serialization for XWikiDocumentArchive.
XWikiRCSNodeContent	Contains differences between document versions.
XWikiRCSNodeId	Composite ID component used in XWikiRCSNodeInfo and XWikiRCSNodeContent.
XWikiRCSNodeInfo	Contains information about document version.
XWikiRecycleBinContentStoreInterface	Store the content of a deleted document.
XWikiRecycleBinStoreInterface	Interface for RecycleBin feature (XWIKI-543) store system.
XWikiRequest
XWikiResourceManagerImpl
XWikiResponse
XWikiRightNotFoundException
XWikiRightService
XWikiRightServiceImpl	Deprecated. since 4.0, use XWikiCachingRightService instead
XWikiScriptContextInitializer	Inject in the ScriptContext the XWiki context and the XWiki instance for backward compatibility.
XWikiSecurityManager
XWikiServletContext
XWikiServletRequest	HttpServletRequest implementation with XWiki related specific behavior.
XWikiServletRequestStub	This stub is intended to simulate a servlet request in a daemon context, in order to be able to create a custom XWiki context.
XWikiServletRequestStub.Builder	Builder for XWikiServletRequestStub.
XWikiServletResponse
XWikiServletResponseStub	This stub is intended to simulate a servlet request in a daemon context, in order to be able to create a custom XWiki context.
XWikiServletURLFactory
XWikiSpace	Represent a space.
XWikiStats	Base class for all stored statistics object.
XWikiStats.Property	The properties of statistics object.
XWikiStatsReader	Reader statistics from XWiki database.
XWikiStatsService	Store and retrieve statistics.
XWikiStatsServiceImpl	Store and retrieve statistics.
XWikiStatsStoreItem	Object containing statistics information to store.
XWikiStatsStoreService	Back-end statistics storing service.
XWikiStoreInterface
XWikiStubContextProvider	Tool to make easier to generate stub XWikiContext.
XWikiURLFactory
XWikiURLFactoryService
XWikiURLFactoryServiceImpl
XWikiUser
XWikiValidationInterface
XWikiValidationStatus
XWikiVersioningStoreInterface	Interface for manipulate document history.