diff --git a/.settings/org.eclipse.wst.common.component b/.settings/org.eclipse.wst.common.component
index 7a1ce92..76d7d4c 100644
--- a/.settings/org.eclipse.wst.common.component
+++ b/.settings/org.eclipse.wst.common.component
@@ -11,9 +11,6 @@
         <dependent-module archiveName="workspace-tree-widget-6.25.0-SNAPSHOT.jar" deploy-path="/WEB-INF/lib" handle="module:/resource/WorkspaceTree-TRUNK/WorkspaceTree-TRUNK">
             <dependency-type>uses</dependency-type>
         </dependent-module>
-        <dependent-module archiveName="gcube-url-shortener-1.5.0-SNAPSHOT.jar" deploy-path="/WEB-INF/lib" handle="module:/resource/gcube-url-shortener/gcube-url-shortener">
-            <dependency-type>uses</dependency-type>
-        </dependent-module>
     <property name="java-output-path" value="/${module}/target/www/WEB-INF/classes"/>
         <property name="context-root" value="workspace"/>
   </wb-module>
diff --git a/distro/changelog.xml b/distro/changelog.xml
index 5b89973..533f5a8 100644
--- a/distro/changelog.xml
+++ b/distro/changelog.xml
@@ -1,20 +1,25 @@
 <ReleaseNotes>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-22-0"
-		date="2019-02-22">
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-22-0"
+		date="${buildDate}">
 		<Change>Updated to StorageHub [ticket: #13226]</Change>
+		<Change>{Bug #13328] Bug fixes</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-21-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-21-0"
 		date="2018-11-01">
 		<Change>Task #13106: Provide public links for versioned files
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-20-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-20-0"
 		date="2018-09-01">
 		<Change>Task #12604: Migrate Move operation to StorageHub
 		</Change>
 		<Change>Incident #12922: Bug fix</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-19-1"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-19-1"
 		date="2018-07-02">
 		<Change>Revised Style sheet and updated to common set of icons
 		</Change>
@@ -24,41 +29,48 @@
 			dependency
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-19-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-19-0"
 		date="2018-06-07">
 		<Change>[Project Activity #11690] Integrated with Task Executor Widget
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-18-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-18-0"
 		date="2018-03-01">
 		<Change>[Task #11127] Porting to new ws-thredds engine</Change>
 		<Change>[Feature #11325] Workspace: add New URL feature in the context
 			menu of right pane
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-17-4"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-17-4"
 		date="2018-01-09">
 		<Change>Issue #10831, Workspace download folder tomcat temp occupation
 			issue
 		</Change>
 		<Change>[Incident #11113] Bug fixing</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-17-3"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-17-3"
 		date="2017-11-20">
 		<Change>Task #9758: bug fixing</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-17-2"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-17-2"
 		date="2017-09-13">
 		<Change>Incident #9676: fixed. Removed check on get sub-folder public
 			link when operation is performed by an administrator
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-17-1"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-17-1"
 		date="2017-05-22">
 		<Change>Feature #5207: integrate image previewer widget
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-17-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-17-0"
 		date="2017-04-12">
 		<Change>Task #8070: file versioning info panel added into How-to
 		</Change>
@@ -66,7 +78,8 @@
 			device is a phone and shifted download button next to the upload one.
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-16-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-16-0"
 		date="2017-03-03">
 		<Change>Removed accesslogger dependency</Change>
 		<Change>[Task #6988] Fixed Edit administrator showing</Change>
@@ -77,12 +90,14 @@
 		<Change>Edit permissions can be performed also by Administrators
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-15-1"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-15-1"
 		date="2017-02-02">
 		<Change>Minor fixes
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-15-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-15-0"
 		date="2016-11-29">
 		<Change>[Feature #5873] Remove ASL Session from the Workspace and its
 			components
@@ -90,7 +105,8 @@
 		<Change>Updated the Show event on a object of kind LINK: it is opened
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-14-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-14-0"
 		date="2016-09-14">
 		<Change>[Feature #2335] Added "Get Folder Link" facility</Change>
 		<Change>[Incident #4878] Fixed: Workspace tree not displaying user's
@@ -104,28 +120,33 @@
 		</Change>
 		<Change>[Bug #5218] Fixed return to the Workspace root Folder</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-13-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-13-0"
 		date="2016-05-31">
 		<Change>[Feature #4128] Migration to Liferay 6.2</Change>
 		<Change>Data Catalogue publishing supported</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-12-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-12-0"
 		date="2016-05-16">
 		<Change>Integrated with new workspace uploader</Change>
 		<Change>Bug fixed: Css for Dialog Cancel multiple files</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-11-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-11-0"
 		date="2016-01-13">
 		<Change>[Feature #1925] Added, new public link format:
 			http://host/storageID
 		</Change>
 		<Change>[Feature #1298] Update public link generation</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-10-1"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-10-1"
 		date="2015-12-16">
 		<Change>Bug Fixing - #1804; #1808; #1822; #1333</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-10-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-10-0"
 		date="2015-11-19">
 		<Change>[Feature #124] Remove a user from shared folder</Change>
 		<Change>[Feature #1259] Enhancement to workspace item history</Change>
@@ -141,7 +162,8 @@
 			vertical scroller
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-9-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-9-0"
 		date="2015-10-30">
 		<Change>[Bug #718] Fixed breadcrumb path</Change>
 		<Change>[Bug #546] Fixed bug</Change>
@@ -155,19 +177,22 @@
 			improvements
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-8-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-8-0"
 		date="2015-07-06">
 		<Change>[Feature #129] Porting to HL 2.0
 		</Change>
 		<Change>Feature #332] Generate workspace Public Link with SMP-ID
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-7-1"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-7-1"
 		date="2015-04-15">
 		<Change>Integrated Contacts Edit Permissions
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-7-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-7-0"
 		date="2014-10-29">
 		<Change>Added user storage usage
 		</Change>
@@ -175,14 +200,16 @@
 			shared folder
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-6-7"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-6-7"
 		date="2014-09-01">
 		<Change>Fixed support #813: Broken Breadcrumb for long path
 		</Change>
 		<Change>Added "Edit Administrators"
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-6-6"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-6-6"
 		date="2014-06-04">
 		<Change>Added Trash:
 			https://issue.imarine.research-infrastructures.eu/ticket/2497
@@ -194,7 +221,8 @@
 			https://support.social.isti.cnr.it/ticket/126
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-6-5"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-6-5"
 		date="2014-06-04">
 		<Change>Integrated trash:
 			https://issue.imarine.research-infrastructures.eu/ticket/2497
@@ -203,7 +231,8 @@
 			3.2)
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-6-4"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-6-4"
 		date="2014-05-22">
 		<Change>Fixed:
 			https://support.d4science.research-infrastructures.eu/ticket/843
@@ -212,12 +241,14 @@
 			https://issue.imarine.research-infrastructures.eu/ticket/282
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-6-2"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-6-2"
 		date="2014-3-17">
 		<Change>Management of My Special Folder</Change>
 		<Change>Added change permissions to VRE shared folder</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-6-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-6-0"
 		date="2014-06-04">
 		<Change>Added Trash:
 			https://issue.imarine.research-infrastructures.eu/ticket/2497
@@ -226,7 +257,8 @@
 			3.2)
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-6-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-6-0"
 		date="2014-05-22">
 		<Change>Fixed:
 			https://support.d4science.research-infrastructures.eu/ticket/843
@@ -235,12 +267,14 @@
 			https://issue.imarine.research-infrastructures.eu/ticket/282
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-6-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-6-0"
 		date="2014-03-17">
 		<Change>Management of "My Special Folder"</Change>
 		<Change>Added change permissions to VRE shared folder</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-6-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-6-0"
 		date="2014-02-07">
 		<Change>#2634 Workspace: support for setting permissions over shared
 			folders
@@ -250,18 +284,21 @@
 			session validation
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-5-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-5-0"
 		date="2013-12-12">
 		<Change>#Ticket 738 fixed. HomeLibrary initialize Exception
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-5-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-5-0"
 		date="2013-10-21">
 		<Change>#Ticket 2223. This project was enhancements to gwt 2.5.1
 		</Change>
 		<Change>GCF dependency was removed</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-4-1"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-4-1"
 		date="2013-09-16">
 		<Change>Provide support for public link, Related ticket: #1993
 		</Change>
@@ -270,20 +307,23 @@
 		</Change>
 		<Change>Fixed bug on shared links, Ticket #630 </Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-3-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-3-0"
 		date="2013-07-08">
 		<Change>Provide support for share link, Related ticket: #1504</Change>
 		<Change>Edit description on sharing, Related ticket: #1822 </Change>
 		<Change>Bugs fixed, Related Tickets: #628, #633, #630</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-2-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-2-0"
 		date="2013-05-29">
 		<Change>Provide support for accounting, related ticket: #1752</Change>
 		<Change>Enable notification for file upload in shared folder, related
 			ticket: #1732
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-1-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-1-0"
 		date="2013-04-19">
 		<Change>Workspace portlet was enhanced to meet the requests coming
 			from the User Community
@@ -292,25 +332,29 @@
 			#1497, #1536
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.6-0-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.6-0-0"
 		date="2013-03-05">
 		<Change>#1259 The workspace portlet was mavenized.</Change>
 		<Change>Fixed bugs: see #1327, #1278, #1279</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.5-3-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.5-3-0"
 		date="2013-01-17">
 		<Change>Ticket #873: Messaging facility to be part of the Social
 			Portal space
 		</Change>
 		<Change>Ticket #872: Workspace Portlet also "outside" of VREs</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.5-2-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.5-2-0"
 		date="2012-11-30">
 		<Change>#111 New workspace item (resource link) was added in workspace
 			portlet
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.5-1-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.5-1-0"
 		date="2012-09-21">
 		<Change>New Mail Sender Widget added, supporting multiple attachments
 			and multiple recipients
@@ -319,7 +363,8 @@
 		<Change>Inbox messages sort by date reverse order</Change>
 		<Change>Bug fixed: upload file/archive</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.5-0-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.5-0-0"
 		date="2012-05-04">
 		<Change>#216 New version of Workspace Portlet is developed using the
 			GXT framework
@@ -330,24 +375,28 @@
 			items ("Add", "Download", "Rename", "Delete", etc.)
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.4-2-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.4-2-0"
 		date="2011-07-01">
 		<Change>#1555: WorkflowTemplate and WorkflowReport required in
 			Workspace Portlet
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.4-1-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.4-1-0"
 		date="2011-05-06">
 		<Change>GWT 2.2.0 support</Change>
 		<Change>added gwt-ext patch</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.4-0-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.4-0-0"
 		date="2011-02-07">
 		<Change>Removed Workspace and Basket type, replaced with folder option
 		</Change>
 		<Change>Synch with others changes in HomeLibrary</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.3-2-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.3-2-0"
 		date="2010-10-22">
 		<Change>#398: Workspace Details panel improvement</Change>
 		<Change>used ScopeHelper for session settings</Change>
@@ -355,17 +404,20 @@
 			AquaMapsItem workspace items
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.3-1-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.3-1-0"
 		date="2010-09-03">
 		<Change>#30: FCPPS / Workspace / Help does not open</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.3-0-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.3-0-0"
 		date="2010-07-16">
 		<Change>Ported to GWT 2.0</Change>
 		<Change>Updated project structure to WebPortlet</Change>
 		<Change>Update to LifeRay portal</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.2-6-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.2-6-0"
 		date="2010-05-14">
 		<Change>#424: Workspace code refactoring an enanchement</Change>
 		<Change>code refactoring, sync with Workspace Portlet Tree changes
@@ -377,35 +429,43 @@
 			vs static panels)
 		</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.2-5-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.2-5-0"
 		date="2010-01-29">
 		<Change>gcube release 1.7.0</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.2-4-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.2-4-0"
 		date="2009-11-30">
 		<Change>gcube release 1.6.0</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.2-3-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.2-3-0"
 		date="2009-11-16">
 		<Change>gcube release 1.5.0</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.2-2-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.2-2-0"
 		date="2009-10-16">
 		<Change>gcube release</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.2-1-1"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.2-1-1"
 		date="2009-07-29">
 		<Change>gcube release 1.2.2</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.2-1-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.2-1-0"
 		date="2009-07-14">
 		<Change>gcube release 1.2.0</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.2-0-0"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.2-0-0"
 		date="2009-05-19">
 		<Change>gcube release 1.2.0 rc1</Change>
 	</Changeset>
-	<Changeset component="org.gcube.portlets-user.workspace-portlet.1-1-2"
+	<Changeset
+		component="org.gcube.portlets-user.workspace-portlet.1-1-2"
 		date="2009-01-12">
 		<Change>first release</Change>
 	</Changeset>
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/view/versioning/VersioningInfoContainer.java b/src/main/java/org/gcube/portlets/user/workspace/client/view/versioning/VersioningInfoContainer.java
index 020a8b3..f52825a 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/view/versioning/VersioningInfoContainer.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/view/versioning/VersioningInfoContainer.java
@@ -273,10 +273,10 @@ public class VersioningInfoContainer extends LayoutContainer {
 		ColumnConfig created = createSortableColumnConfig(FileVersionModel.CREATED, "Created", 120);
 		//ColumnConfig deleteDate = createSortableColumnConfig(FileTrashedModel.STOREINFO.DELETEDATE.toString(), "Deleted Date", 90);
 		//deleteDate.setDateTimeFormat(DateTimeFormat.getFormat("dd MMM hh:mm aaa yyyy"));
-		ColumnConfig user = createSortableColumnConfig(FileVersionModel.USER_VERSIONING, "User", 130);
+		//ColumnConfig user = createSortableColumnConfig(FileVersionModel.USER_VERSIONING, "User", 130);
 		ColumnConfig currVersion = createSortableColumnConfig(FileVersionModel.IS_CURRENT_VERSION, "Current Version", 75);
 
-		ColumnModel cm  = new ColumnModel(Arrays.asList(name, created, user, currVersion));
+		ColumnModel cm  = new ColumnModel(Arrays.asList(name, created, currVersion));
 
 		grid = new Grid<FileVersionModel>(this.store, cm);