diff --git a/application/Espo/Classes/FieldValidators/JsonArrayType.php b/application/Espo/Classes/FieldValidators/JsonArrayType.php
index 24bad516c4..570a7eb1be 100644
--- a/application/Espo/Classes/FieldValidators/JsonArrayType.php
+++ b/application/Espo/Classes/FieldValidators/JsonArrayType.php
@@ -31,11 +31,11 @@ namespace Espo\Classes\FieldValidators;
 
 use Espo\ORM\Entity;
 
-use StdClass;
+use stdClass;
 
 class JsonArrayType
 {
-    public function rawCheckArray(StdClass $data, string $field): bool
+    public function rawCheckArray(stdClass $data, string $field): bool
     {
         if (isset($data->$field) && !is_array($data->$field)) {
             return false;
diff --git a/application/Espo/Controllers/Action.php b/application/Espo/Controllers/Action.php
index f2dfae3962..617a19f221 100644
--- a/application/Espo/Controllers/Action.php
+++ b/application/Espo/Controllers/Action.php
@@ -35,7 +35,7 @@ use Espo\Core\{
     Api\Request,
 };
 
-use StdClass;
+use stdClass;
 
 /**
  * Action framework.
@@ -49,7 +49,7 @@ class Action
         $this->service = $service;
     }
 
-    public function postActionProcess(Request $request): StdClass
+    public function postActionProcess(Request $request): stdClass
     {
         $body = $request->getParsedBody();
 
diff --git a/application/Espo/Controllers/LastViewed.php b/application/Espo/Controllers/LastViewed.php
index 72cc049377..b469c16491 100644
--- a/application/Espo/Controllers/LastViewed.php
+++ b/application/Espo/Controllers/LastViewed.php
@@ -36,7 +36,7 @@ use Espo\Core\{
 
 use Espo\Services\LastViewed as Service;
 
-use StdClass;
+use stdClass;
 
 class LastViewed
 {
@@ -50,7 +50,7 @@ class LastViewed
         $this->service = $service;
     }
 
-    public function getActionIndex(Request $request): StdClass
+    public function getActionIndex(Request $request): stdClass
     {
         $searchParams = $this->searchParamsFetcher->fetch($request);
 
diff --git a/application/Espo/Controllers/Pdf.php b/application/Espo/Controllers/Pdf.php
index a97fd0bf99..c42d01abc2 100644
--- a/application/Espo/Controllers/Pdf.php
+++ b/application/Espo/Controllers/Pdf.php
@@ -41,7 +41,7 @@ use Espo\Core\{
 
 use Espo\Services\Pdf as Service;
 
-use StdClass;
+use stdClass;
 
 class Pdf
 {
@@ -55,7 +55,7 @@ class Pdf
         $this->acl = $acl;
     }
 
-    public function postActionMassPrint(Request $request): StdClass
+    public function postActionMassPrint(Request $request): stdClass
     {
         $data = $request->getParsedBody();
 
diff --git a/application/Espo/Controllers/Preferences.php b/application/Espo/Controllers/Preferences.php
index 82e630a99b..3b0b9586b7 100644
--- a/application/Espo/Controllers/Preferences.php
+++ b/application/Espo/Controllers/Preferences.php
@@ -36,7 +36,7 @@ use Espo\Core\{
 
 use Espo\Services\Preferences as Service;
 
-use StdClass;
+use stdClass;
 
 class Preferences
 {
@@ -47,7 +47,7 @@ class Preferences
         $this->service = $service;
     }
 
-    public function getActionRead(Request $request): StdClass
+    public function getActionRead(Request $request): stdClass
     {
         $userId = $request->getRouteParam('id');
 
@@ -58,7 +58,7 @@ class Preferences
         return $this->service->read($userId)->getValueMap();
     }
 
-    public function deleteActionDelete(Request $request): StdClass
+    public function deleteActionDelete(Request $request): stdClass
     {
         $userId = $request->getRouteParam('id');
 
@@ -73,7 +73,7 @@ class Preferences
             ->getValueMap();
     }
 
-    public function putActionUpdate(Request $request): StdClass
+    public function putActionUpdate(Request $request): stdClass
     {
         $userId = $request->getRouteParam('id');
 
@@ -88,7 +88,7 @@ class Preferences
             ->getValueMap();
     }
 
-    public function postActionResetDashboard(Request $request): StdClass
+    public function postActionResetDashboard(Request $request): stdClass
     {
         $data = $request->getParsedBody();
 
diff --git a/application/Espo/Controllers/TemplateManager.php b/application/Espo/Controllers/TemplateManager.php
index ec40b158a8..bff0f72730 100644
--- a/application/Espo/Controllers/TemplateManager.php
+++ b/application/Espo/Controllers/TemplateManager.php
@@ -40,7 +40,7 @@ use Espo\Core\{
     Api\Request,
 };
 
-use StdClass;
+use stdClass;
 
 class TemplateManager
 {
@@ -64,7 +64,7 @@ class TemplateManager
         }
     }
 
-    public function getActionGetTemplate(Request $request): StdClass
+    public function getActionGetTemplate(Request $request): stdClass
     {
         $name = $request->getQueryParam('name');
 
@@ -118,7 +118,7 @@ class TemplateManager
         return true;
     }
 
-    public function postActionResetTemplate(Request $request): StdClass
+    public function postActionResetTemplate(Request $request): stdClass
     {
         $data = $request->getParsedBody();
 
diff --git a/application/Espo/Core/Acl/Table/Role.php b/application/Espo/Core/Acl/Table/Role.php
index 45044304f9..7fdfc96f8b 100644
--- a/application/Espo/Core/Acl/Table/Role.php
+++ b/application/Espo/Core/Acl/Table/Role.php
@@ -29,13 +29,13 @@
 
 namespace Espo\Core\Acl\Table;
 
-use StdClass;
+use stdClass;
 
 interface Role
 {
-    public function getScopeTableData(): StdClass;
+    public function getScopeTableData(): stdClass;
 
-    public function getFieldTableData(): StdClass;
+    public function getFieldTableData(): stdClass;
 
     public function getPermissionLevel(string $permission): ?string;
 }
diff --git a/application/Espo/Core/Acl/Table/RoleEntityWrapper.php b/application/Espo/Core/Acl/Table/RoleEntityWrapper.php
index 2d714fabb8..2eb1e843b8 100644
--- a/application/Espo/Core/Acl/Table/RoleEntityWrapper.php
+++ b/application/Espo/Core/Acl/Table/RoleEntityWrapper.php
@@ -31,7 +31,7 @@ namespace Espo\Core\Acl\Table;
 
 use Espo\ORM\Entity;
 
-use StdClass;
+use stdClass;
 
 class RoleEntityWrapper implements Role
 {
@@ -42,12 +42,12 @@ class RoleEntityWrapper implements Role
         $this->entity = $entity;
     }
 
-    public function getScopeTableData(): StdClass
+    public function getScopeTableData(): stdClass
     {
         return $this->entity->get('data') ?? (object) [];
     }
 
-    public function getFieldTableData(): StdClass
+    public function getFieldTableData(): stdClass
     {
         return $this->entity->get('fieldData') ?? (object) [];
     }
diff --git a/application/Espo/Core/Action/ActionFactory.php b/application/Espo/Core/Action/ActionFactory.php
index f3ba251d1e..d3afa558b3 100644
--- a/application/Espo/Core/Action/ActionFactory.php
+++ b/application/Espo/Core/Action/ActionFactory.php
@@ -39,7 +39,6 @@ use Espo\Core\{
 class ActionFactory
 {
     private Metadata $metadata;
-
     private InjectableFactory $injectableFactory;
 
     public function __construct(Metadata $metadata, InjectableFactory $injectableFactory)
diff --git a/application/Espo/Core/MassAction/MassActionFactory.php b/application/Espo/Core/MassAction/MassActionFactory.php
index d775cf3cfd..a677ea40f3 100644
--- a/application/Espo/Core/MassAction/MassActionFactory.php
+++ b/application/Espo/Core/MassAction/MassActionFactory.php
@@ -43,9 +43,7 @@ use Espo\Core\Binding\BindingContainerBuilder;
 class MassActionFactory
 {
     private Metadata $metadata;
-
     private InjectableFactory $injectableFactory;
-
     private AclManager $aclManager;
 
     public function __construct(Metadata $metadata, InjectableFactory $injectableFactory, AclManager $aclManager)
diff --git a/application/Espo/Core/MassAction/QueryBuilder.php b/application/Espo/Core/MassAction/QueryBuilder.php
index be71ca57fa..8c93e44876 100644
--- a/application/Espo/Core/MassAction/QueryBuilder.php
+++ b/application/Espo/Core/MassAction/QueryBuilder.php
@@ -35,9 +35,8 @@ use Espo\Entities\User;
 
 class QueryBuilder
 {
-    private $selectBuilderFactory;
-
-    private $user;
+    private SelectBuilderFactory $selectBuilderFactory;
+    private User $user;
 
     public function __construct(SelectBuilderFactory $selectBuilderFactory, User $user)
     {
diff --git a/application/Espo/Entities/Job.php b/application/Espo/Entities/Job.php
index 3a3b389cfc..3dd64721bc 100644
--- a/application/Espo/Entities/Job.php
+++ b/application/Espo/Entities/Job.php
@@ -31,7 +31,7 @@ namespace Espo\Entities;
 
 use Espo\Core\ORM\Entity;
 
-use StdClass;
+use stdClass;
 
 class Job extends Entity
 {
@@ -104,7 +104,7 @@ class Job extends Entity
     /**
      * Get data.
      */
-    public function getData(): StdClass
+    public function getData(): stdClass
     {
         return $this->get('data') ?? (object) [];
     }
diff --git a/application/Espo/Services/PopupNotification.php b/application/Espo/Services/PopupNotification.php
index b45820b93d..885e06f679 100644
--- a/application/Espo/Services/PopupNotification.php
+++ b/application/Espo/Services/PopupNotification.php
@@ -39,7 +39,7 @@ use Espo\{
     Entities\User,
 };
 
-use StdClass;
+use stdClass;
 use Throwable;
 
 class PopupNotification
@@ -60,7 +60,7 @@ class PopupNotification
         $this->log = $log;
     }
 
-    public function getGroupedList(): StdClass
+    public function getGroupedList(): stdClass
     {
         $data = $this->metadata->get(['app', 'popupNotifications']) ?? [];
 
diff --git a/application/Espo/Services/Settings.php b/application/Espo/Services/Settings.php
index 37445bec55..cc2d107785 100644
--- a/application/Espo/Services/Settings.php
+++ b/application/Espo/Services/Settings.php
@@ -53,25 +53,16 @@ use stdClass;
 
 class Settings
 {
-    private $applicationState;
-
-    private $config;
-
-    private $configWriter;
-
-    private $metadata;
-
-    private $acl;
-
-    private $entityManager;
-
-    private $dataManager;
-
-    private $fieldValidationManager;
-
-    private $injectableFactory;
-
-    private $access;
+    private ApplicationState $applicationState;
+    private Config $config;
+    private ConfigWriter $configWriter;
+    private Metadata $metadata;
+    private Acl $acl;
+    private EntityManager $entityManager;
+    private DataManager $dataManager;
+    private FieldValidationManager $fieldValidationManager;
+    private InjectableFactory $injectableFactory;
+    private Access $access;
 
     public function __construct(
         ApplicationState $applicationState,
diff --git a/application/Espo/Tools/Formula/RunResult.php b/application/Espo/Tools/Formula/RunResult.php
index 9d34b37875..eebe8abf77 100644
--- a/application/Espo/Tools/Formula/RunResult.php
+++ b/application/Espo/Tools/Formula/RunResult.php
@@ -37,11 +37,8 @@ use stdClass;
 class RunResult
 {
     private bool $isSuccess = false;
-
     private ?string $output = null;
-
     private ?string $message = null;
-
     private ?Error $exception = null;
 
     private function __construct(bool $isSuccess)