diff --git a/src/ActionDescriptor.php b/src/ActionDescriptor.php
index d3e7c33..f59a0eb 100644
--- a/src/ActionDescriptor.php
+++ b/src/ActionDescriptor.php
@@ -19,35 +19,24 @@ namespace Dotclear\Plugin\Uninstaller;
  */
 class ActionDescriptor
 {
-    /** @var    string  $id     The action ID */
-    public readonly string $id;
-
-    /** @var    string  $ns     The namespace (for defined action) */
-    public readonly string $ns;
-
-    /** @var    string  $query  The generic message (used for self::values() management) */
-    public readonly string $select;
-
-    /** @var    string  $query  The query message */
-    public readonly string $query;
-
-    /** @var    string  $success    The succes message */
-    public readonly string $success;
-
-    /** @var    string  $error  The error message */
-    public readonly string $error;
-
     /**
      * Contructor populate descriptor properties.
+     *
+     * @param   string  $id         The action ID
+     * @param   string  $query      The query message
+     * @param   string  $success    The succes message
+     * @param   string  $error      The error message
+     * @param   string  $ns         The namespace (for defined action)
+     * @param   string  $select     The generic message (used for self::values() management)
      */
-    public function __construct(array $description)
-    {
-        $this->id      = (string) ($description['id'] ?? 'undefined');
-        $this->ns      = (string) ($description['ns'] ?? '');
-        $this->select  = (string) ($description['select'] ?? 'undefined');
-        $this->query   = (string) ($description['query'] ?? 'undefined');
-        $this->success = (string) ($description['success'] ?? 'undefined');
-        $this->error   = (string) ($description['error'] ?? 'undefined');
+    public function __construct(
+        public readonly string $id,
+        public readonly string $query,
+        public readonly string $success,
+        public readonly string $error,
+        public readonly string $ns = '',
+        public readonly string $select = ''
+    ) {
     }
 
     /**
diff --git a/src/Cleaner/Caches.php b/src/Cleaner/Caches.php
index 49827b8..a68ac8d 100644
--- a/src/Cleaner/Caches.php
+++ b/src/Cleaner/Caches.php
@@ -24,7 +24,7 @@ use Dotclear\Plugin\Uninstaller\{
 /**
  * Cleaner for Dotclear cache directory used by modules.
  *
- * It allows modules to delete an entire sub folder 
+ * It allows modules to delete an entire sub folder
  * of DC_TPL_CACHE directory path.
  */
 class Caches extends AbstractCleaner
@@ -44,21 +44,21 @@ class Caches extends AbstractCleaner
     {
         return [
             // delete a $ns folder and thier files.
-            new ActionDescriptor([
-                'id'      => 'delete',
-                'select'  => __('delete selected cache directories'),
-                'query'   => __('delete "%s" cache directory'),
-                'success' => __('"%s" cache directory deleted'),
-                'error'   => __('Failed to delete "%s" cache directory'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete',
+                select:  __('delete selected cache directories'),
+                query:   __('delete "%s" cache directory'),
+                success: __('"%s" cache directory deleted'),
+                error:   __('Failed to delete "%s" cache directory')
+            ),
             // delete $ns folder files but keep folder
-            new ActionDescriptor([
-                'id'      => 'empty',
-                'select'  => __('empty selected cache directories'),
-                'query'   => __('empty "%s" cache directory'),
-                'success' => __('"%s" cache directory emptied'),
-                'error'   => __('Failed to empty "%s" cache directory'),
-            ]),
+            new ActionDescriptor(
+                id:      'empty',
+                select:  __('empty selected cache directories'),
+                query:   __('empty "%s" cache directory'),
+                success: __('"%s" cache directory emptied'),
+                error:   __('Failed to empty "%s" cache directory')
+            ),
         ];
     }
 
@@ -68,7 +68,7 @@ class Caches extends AbstractCleaner
             'cbfeed',
             'cbtpl',
             'dcrepo',
-            'versions'
+            'versions',
         ];
     }
 
@@ -77,9 +77,8 @@ class Caches extends AbstractCleaner
         $res = [];
         foreach (self::getDirs(DC_TPL_CACHE) as $dir) {
             $res[] = new ValueDescriptor(
-                $dir['key'],
-                '',
-                (int) $dir['value']
+                ns:    $dir['key'],
+                count: (int) $dir['value']
             );
         }
 
diff --git a/src/Cleaner/Logs.php b/src/Cleaner/Logs.php
index f2831bb..7372652 100644
--- a/src/Cleaner/Logs.php
+++ b/src/Cleaner/Logs.php
@@ -47,13 +47,13 @@ class Logs extends AbstractCleaner
     {
         return [
             // delete all $ns log_table entries
-            new ActionDescriptor([
-                'id'      => 'delete_all',
-                'select'  => __('delete selected logs tables'),
-                'query'   => __('delete "%s" logs table'),
-                'success' => __('"%s" logs table deleted'),
-                'error'   => __('Failed to delete "%s" logs table'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete_all',
+                select:  __('delete selected logs tables'),
+                query:   __('delete "%s" logs table'),
+                success: __('"%s" logs table deleted'),
+                error:   __('Failed to delete "%s" logs table')
+            ),
         ];
     }
 
@@ -84,9 +84,8 @@ class Logs extends AbstractCleaner
         $res = [];
         while ($rs->fetch()) {
             $res[] = new ValueDescriptor(
-                $rs->f('log_table'),
-                '',
-                (int) $rs->f('counter')
+                ns:    (string) $rs->f('log_table'),
+                count: (int) $rs->f('counter')
             );
         }
 
diff --git a/src/Cleaner/Plugins.php b/src/Cleaner/Plugins.php
index 7888aed..246a9e7 100644
--- a/src/Cleaner/Plugins.php
+++ b/src/Cleaner/Plugins.php
@@ -43,13 +43,13 @@ class Plugins extends AbstractCleaner
     {
         return [
             // delete $ns plugin folder
-            new ActionDescriptor([
-                'id'      => 'delete',
-                'select'  => __('delete selected plugins files and directories'),
-                'query'   => __('delete "%s" plugin files and directories'),
-                'success' => __('"%s" plugin files and directories deleted'),
-                'error'   => __('Failed to delete "%s" plugin files and directories'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete',
+                select:  __('delete selected plugins files and directories'),
+                query:   __('delete "%s" plugin files and directories'),
+                success: __('"%s" plugin files and directories deleted'),
+                error:   __('Failed to delete "%s" plugin files and directories')
+            ),
         ];
     }
 
@@ -66,9 +66,8 @@ class Plugins extends AbstractCleaner
         $res = [];
         foreach ($dirs as $dir) {
             $res[] = new ValueDescriptor(
-                $dir['key'],
-                '',
-                (int) $dir['value']
+                ns:    $dir['key'],
+                count: (int) $dir['value']
             );
         }
 
diff --git a/src/Cleaner/Preferences.php b/src/Cleaner/Preferences.php
index b43461a..a27cd5f 100644
--- a/src/Cleaner/Preferences.php
+++ b/src/Cleaner/Preferences.php
@@ -47,36 +47,36 @@ class Preferences extends AbstractCleaner
     {
         return [
             // delete global $ns preferences workspace
-            new ActionDescriptor([
-                'id'      => 'delete_global',
-                'select'  => __('delete selected global preferences workspaces'),
-                'query'   => __('delete "%s" global preferences workspace'),
-                'success' => __('"%s" global preferences workspace deleted'),
-                'error'   => __('Failed to delete "%s" global preferences workspace'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete_global',
+                select:  __('delete selected global preferences workspaces'),
+                query:   __('delete "%s" global preferences workspace'),
+                success: __('"%s" global preferences workspace deleted'),
+                error:   __('Failed to delete "%s" global preferences workspace')
+            ),
             // delete users $ns preferences workspace
-            new ActionDescriptor([
-                'id'      => 'delete_local',
-                'select'  => __('delete selected users preferences workspaces'),
-                'query'   => __('delete "%s" users preferences workspace'),
-                'success' => __('"%s" users preferences workspace deleted'),
-                'error'   => __('Failed to delete "%s" users preferences workspace'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete_local',
+                select:  __('delete selected users preferences workspaces'),
+                query:   __('delete "%s" users preferences workspace'),
+                success: __('"%s" users preferences workspace deleted'),
+                error:   __('Failed to delete "%s" users preferences workspace')
+            ),
             // delete user and global $ns preferences workspace
-            new ActionDescriptor([
-                'id'      => 'delete_all',
-                'select'  => __('delete selected preferences workspaces'),
-                'query'   => __('delete "%s" preferences workspace'),
-                'success' => __('"%s" preferences workspace deleted'),
-                'error'   => __('Failed to delete "%s" preferences workspace'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete_all',
+                select:  __('delete selected preferences workspaces'),
+                query:   __('delete "%s" preferences workspace'),
+                success: __('"%s" preferences workspace deleted'),
+                error:   __('Failed to delete "%s" preferences workspace')
+            ),
             // delete users and globals specific $ws:$id settings using 'pref_ws:pref_id;pref_ws:pref_id;' as $ns
-            new ActionDescriptor([
-                'id'      => 'delete_related',
-                'query'   => __('delete related preferences'),
-                'success' => __('related preferences deleted'),
-                'error'   => __('Failed to delete related preferences'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete_related',
+                query:   __('delete related preferences'),
+                success: __('related preferences deleted'),
+                error:   __('Failed to delete related preferences')
+            ),
         ];
     }
 
@@ -112,9 +112,8 @@ class Preferences extends AbstractCleaner
         $res = [];
         while ($rs->fetch()) {
             $res[] = new ValueDescriptor(
-                $rs->f('pref_ws'),
-                '',
-                (int) $rs->f('counter')
+                ns:    (string) $rs->f('pref_ws'),
+                count: (int) $rs->f('counter')
             );
         }
 
@@ -141,9 +140,8 @@ class Preferences extends AbstractCleaner
         $res = [];
         while ($rs->fetch()) {
             $res[] = new ValueDescriptor(
-                $ns,
-                $rs->f('pref_id'),
-                (int) $rs->f('counter')
+                id:    (string) $rs->f('pref_id'),
+                count: (int) $rs->f('counter')
             );
         }
 
diff --git a/src/Cleaner/Settings.php b/src/Cleaner/Settings.php
index 8bc2f9f..1afee4f 100644
--- a/src/Cleaner/Settings.php
+++ b/src/Cleaner/Settings.php
@@ -47,36 +47,36 @@ class Settings extends AbstractCleaner
     {
         return [
             // delete global $ns settings namespace
-            new ActionDescriptor([
-                'id'      => 'delete_global',
-                'select'  => __('delete selected global settings namespaces'),
-                'query'   => __('delete "%s" global settings namespace'),
-                'success' => __('"%s" global settings namespace deleted'),
-                'error'   => __('Failed to delete "%s" global settings namespace'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete_global',
+                select:  __('delete selected global settings namespaces'),
+                query:   __('delete "%s" global settings namespace'),
+                success: __('"%s" global settings namespace deleted'),
+                error:   __('Failed to delete "%s" global settings namespace')
+            ),
             // delete blogs $ns settings namespace
-            new ActionDescriptor([
-                'id'      => 'delete_local',
-                'select'  => __('delete selected blog settings namespaces'),
-                'query'   => __('delete "%s" blog settings namespace'),
-                'success' => __('"%s" blog settings namespace deleted'),
-                'error'   => __('Failed to delete "%s" blog settings namespace'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete_local',
+                select:  __('delete selected blog settings namespaces'),
+                query:   __('delete "%s" blog settings namespace'),
+                success: __('"%s" blog settings namespace deleted'),
+                error:   __('Failed to delete "%s" blog settings namespace')
+            ),
             // delete blogs and global settings namespace
-            new ActionDescriptor([
-                'id'      => 'delete_all',
-                'select'  => __('delete selected settings namespaces'),
-                'query'   => __('delete "%s" settings namespace'),
-                'success' => __('"%s" settings namespace deleted'),
-                'error'   => __('Failed to delete "%s" settings namespace'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete_all',
+                select:  __('delete selected settings namespaces'),
+                query:   __('delete "%s" settings namespace'),
+                success: __('"%s" settings namespace deleted'),
+                error:   __('Failed to delete "%s" settings namespace')
+            ),
             // delete blogs and globals specific $ns:$id settings using 'setting_ns:setting_id;setting_ns:setting_id;' as $ns
-            new ActionDescriptor([
-                'id'      => 'delete_related',
-                'query'   => __('delete related settings'),
-                'success' => __('related settings deleted'),
-                'error'   => __('Failed to delete related settings'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete_related',
+                query:   __('delete related settings'),
+                success: __('related settings deleted'),
+                error:   __('Failed to delete related settings')
+            ),
         ];
     }
 
@@ -116,9 +116,8 @@ class Settings extends AbstractCleaner
         $res = [];
         while ($rs->fetch()) {
             $res[] = new ValueDescriptor(
-                $rs->f('setting_ns'),
-                '',
-                (int) $rs->f('counter')
+                ns:    (string) $rs->f('setting_ns'),
+                count: (int) $rs->f('counter')
             );
         }
 
@@ -145,9 +144,8 @@ class Settings extends AbstractCleaner
         $res = [];
         while ($rs->fetch()) {
             $res[] = new ValueDescriptor(
-                $ns,
-                $rs->f('setting_id'),
-                (int) $rs->f('counter')
+                id:    (string) $rs->f('setting_id'),
+                count: (int) $rs->f('counter')
             );
         }
 
diff --git a/src/Cleaner/Tables.php b/src/Cleaner/Tables.php
index f9259d8..c45e7fb 100644
--- a/src/Cleaner/Tables.php
+++ b/src/Cleaner/Tables.php
@@ -50,21 +50,21 @@ class Tables extends AbstractCleaner
     {
         return [
             // delete $ns database table
-            new ActionDescriptor([
-                'id'      => 'delete',
-                'select'  => __('delete selected tables'),
-                'query'   => __('delete "%s" table'),
-                'success' => __('"%s" table deleted'),
-                'error'   => __('Failed to delete "%s" table'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete',
+                select:  __('delete selected tables'),
+                query:   __('delete "%s" table'),
+                success: __('"%s" table deleted'),
+                error:   __('Failed to delete "%s" table')
+            ),
             // truncate (empty) $ns database table
-            new ActionDescriptor([
-                'id'      => 'empty',
-                'select'  => __('empty selected tables'),
-                'query'   => __('empty "%s" table'),
-                'success' => __('"%s" table emptied'),
-                'error'   => __('Failed to empty "%s" table'),
-            ]),
+            new ActionDescriptor(
+                id:      'empty',
+                select:  __('empty selected tables'),
+                query:   __('empty "%s" table'),
+                success: __('"%s" table emptied'),
+                error:   __('Failed to empty "%s" table')
+            ),
         ];
     }
 
@@ -109,9 +109,8 @@ class Tables extends AbstractCleaner
             $sql = new SelectStatement();
 
             $res[] = new ValueDescriptor(
-                $v,
-                '',
-                (int) $sql->from($tables[$k])->fields([$sql->count('*')])->select()?->f(0)
+                ns:    (string) $v,
+                count: (int) $sql->from($tables[$k])->fields([$sql->count('*')])->select()?->f(0)
             );
         }
 
diff --git a/src/Cleaner/Themes.php b/src/Cleaner/Themes.php
index 4759bd2..6a4291f 100644
--- a/src/Cleaner/Themes.php
+++ b/src/Cleaner/Themes.php
@@ -44,13 +44,13 @@ class Themes extends AbstractCleaner
     {
         return [
             // delete $ns theme folder
-            new ActionDescriptor([
-                'id'      => 'delete',
-                'select'  => __('delete selected themes files and directories'),
-                'query'   => __('delete "%s" theme files and directories'),
-                'success' => __('"%s" theme files and directories deleted'),
-                'error'   => __('Failed to delete "%s" theme files and directories'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete',
+                select:  __('delete selected themes files and directories'),
+                query:   __('delete "%s" theme files and directories'),
+                success: __('"%s" theme files and directories deleted'),
+                error:   __('Failed to delete "%s" theme files and directories')
+            ),
         ];
     }
 
@@ -71,9 +71,8 @@ class Themes extends AbstractCleaner
         $res = [];
         foreach ($dirs as $dir) {
             $res[] = new ValueDescriptor(
-                $dir['key'],
-                '',
-                (int) $dir['value']
+                ns:    $dir['key'],
+                count: (int) $dir['value']
             );
         }
 
diff --git a/src/Cleaner/Vars.php b/src/Cleaner/Vars.php
index e32939e..a8a24f2 100644
--- a/src/Cleaner/Vars.php
+++ b/src/Cleaner/Vars.php
@@ -24,7 +24,7 @@ use Dotclear\Plugin\Uninstaller\{
 /**
  * Cleaner for Dotclear VAR directory used by modules.
  *
- * It allows modules to delete an entire sub folder 
+ * It allows modules to delete an entire sub folder
  * of DC_VAR directory path.
  */
 class Vars extends AbstractCleaner
@@ -44,13 +44,13 @@ class Vars extends AbstractCleaner
     {
         return [
             // delete a $ns folder and their files
-            new ActionDescriptor([
-                'id'      => 'delete',
-                'select'  => __('delete selected var directories'),
-                'query'   => __('delete "%s" var directory'),
-                'success' => __('"%s" var directory deleted'),
-                'error'   => __('Failed to delete "%s" var directory'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete',
+                select:  __('delete selected var directories'),
+                query:   __('delete "%s" var directory'),
+                success: __('"%s" var directory deleted'),
+                error:   __('Failed to delete "%s" var directory')
+            ),
         ];
     }
 
@@ -64,9 +64,8 @@ class Vars extends AbstractCleaner
         $res = [];
         foreach (self::getDirs(DC_VAR) as $dir) {
             $res[] = new ValueDescriptor(
-                $dir['key'],
-                '',
-                (int) $dir['value']
+                ns:    $dir['key'],
+                count: (int) $dir['value']
             );
         }
 
diff --git a/src/Cleaner/Versions.php b/src/Cleaner/Versions.php
index cc056e8..5deb13c 100644
--- a/src/Cleaner/Versions.php
+++ b/src/Cleaner/Versions.php
@@ -25,7 +25,7 @@ use Dotclear\Plugin\Uninstaller\{
 /**
  * Cleaner for Dotclear modules versions.
  *
- * It allows modules to delete their versions 
+ * It allows modules to delete their versions
  * from Dotclear dcCore::VERSION_TABLE_NAME database table.
  */
 class Versions extends AbstractCleaner
@@ -43,13 +43,13 @@ class Versions extends AbstractCleaner
     {
         return [
             // delete $ns version
-            new ActionDescriptor([
-                'id'      => 'delete',
-                'select'  => __('delete selected versions numbers'),
-                'query'   => __('delete "%s" version number'),
-                'success' => __('"%s" version number deleted'),
-                'error'   => __('Failed to delete "%s" version number'),
-            ]),
+            new ActionDescriptor(
+                id:      'delete',
+                select:  __('delete selected versions numbers'),
+                query:   __('delete "%s" version number'),
+                success: __('"%s" version number deleted'),
+                error:   __('Failed to delete "%s" version number')
+            ),
         ];
     }
 
@@ -85,9 +85,9 @@ class Versions extends AbstractCleaner
         $res = [];
         while ($rs->fetch()) {
             $res[] = new ValueDescriptor(
-                $rs->f('module'),
-                $rs->f('version'),
-                1
+                ns:    (string) $rs->f('module'),
+                id:    (string) $rs->f('version'),
+                count: 1
             );
         }
 
diff --git a/src/Uninstaller.php b/src/Uninstaller.php
index 94771b3..9279e2a 100644
--- a/src/Uninstaller.php
+++ b/src/Uninstaller.php
@@ -257,13 +257,13 @@ class Uninstaller
         }
 
         // fill action properties
-        $this->actions[$group][$this->module->getId()][$cleaner][] = new ActionDescriptor([
-            'id'      => $action,
-            'ns'      => $ns,
-            'select'  => $this->cleaners->get($cleaner)->actions[$action]->select,
-            'query'   => sprintf($this->cleaners->get($cleaner)->actions[$action]->query, $ns),
-            'success' => sprintf($this->cleaners->get($cleaner)->actions[$action]->success, $ns),
-            'error'   => sprintf($this->cleaners->get($cleaner)->actions[$action]->error, $ns),
-        ]);
+        $this->actions[$group][$this->module->getId()][$cleaner][] = new ActionDescriptor(
+            id: $action,
+            ns: $ns,
+            select: $this->cleaners->get($cleaner)->actions[$action]->select,
+            query: sprintf($this->cleaners->get($cleaner)->actions[$action]->query, $ns),
+            success: sprintf($this->cleaners->get($cleaner)->actions[$action]->success, $ns),
+            error: sprintf($this->cleaners->get($cleaner)->actions[$action]->error, $ns),
+        );
     }
 }
diff --git a/src/ValueDescriptor.php b/src/ValueDescriptor.php
index bc51f59..3e21075 100644
--- a/src/ValueDescriptor.php
+++ b/src/ValueDescriptor.php
@@ -30,9 +30,9 @@ class ValueDescriptor
      * @param   int     $count  The count of ID on the namespace
      */
     public function __construct(
-        public readonly string $ns,
-        public readonly string $id,
-        public readonly int $count,
+        public readonly string $ns = '',
+        public readonly string $id = '',
+        public readonly int $count = 0,
     ) {
     }