Correctif static solver

Solver/Order/OrderShopSolver.php

         $this->productSolver = $productSolver;
     }
 
-    public function getTypeDeliveryChoices()
+    public static function getTypeDeliveryChoices()
     {
         return [
             OrderShopModel::DELIVERY_TYPE_HOME,

Solver/Product/ProductFamilySolver.php

     }
 
 
-    public function getBehaviorCountStockChoices(): array
+    public static function getBehaviorCountStockChoices(): array
     {
         return [
                 ProductFamilyModel::BEHAVIOR_COUNT_STOCK_BY_MEASURE,
         ];
     }
 
-    public function getWaringMessageTypeChoices(): array
+    public static function getWaringMessageTypeChoices(): array
     {
         return [
                 ProductFamilyModel::WARNING_MESSAGE_TYPE_ERROR,
         ];
     }
 
-    public function getBehaviorAddToCartChoices(): array
+    public static function getBehaviorAddToCartChoices(): array
     {
         return [
                 ProductFamilyModel::BEHAVIOR_ADD_TO_CART_MULTIPLE,
         ];
     }
 
-    public function getBehaviorPriceChoices(): array
+    public static function getBehaviorPriceChoices(): array
     {
         return [
                 ProductFamilyModel::BEHAVIOR_PRICE_BY_PIECE,
         ];
     }
 
-    public function getTypeExpirationDateChoices(): array
+    public static function getTypeExpirationDateChoices(): array
     {
         return [
                 ProductFamilyModel::TYPE_EXPIRATION_DATE_DLC,
     }
 
 
-    public function getBehaviorExpirationDateChoices(): array
+    public static function getBehaviorExpirationDateChoices(): array
     {
         return [
                 ProductFamilyModel::BEHAVIOR_EXPIRATION_DATE_BY_PRODUCT_FAMILY,
     }
 
 
-    public function getBehaviorDisplaySaleChoices(): array
+    public static function getBehaviorDisplaySaleChoices(): array
     {
         return [
                 ProductFamilyModel::BEHAVIOR_DISPLAY_SALE_BY_MEASURE,

Solver/Reduction/ReductionCartSolver.php

     }
 
 
-    public function getAppliedToChoices()
+    public static function getAppliedToChoices()
     {
         return [
           //  ReductionCartModel::APPLIED_TO_DELIVERY,

Solver/Statistic/StatisticSolver.php

     const INTERVAL_WEEK = 'W';
     const INTERVAL_MONTH = 'M';
 
-    public function getIntervalChoices()
+    public static function getIntervalChoices()
     {
         return [
             self::INTERVAL_DAY,