Add phpstan until level 7

src/Spout/Writer/Common/Manager/SheetManager.php

@@ -15,10 +15,10 @@ class SheetManager
     /** Sheet name should not exceed 31 characters */
     const MAX_LENGTH_SHEET_NAME = 31;
 
-    /** @var array Invalid characters that cannot be contained in the sheet name */
+    /** @var array<string> Invalid characters that cannot be contained in the sheet name */
     private static $INVALID_CHARACTERS_IN_SHEET_NAME = ['\\', '/', '?', '*', ':', '[', ']'];
 
-    /** @var array Associative array [WORKBOOK_ID] => [[SHEET_INDEX] => [SHEET_NAME]] keeping track of sheets' name to enforce uniqueness per workbook */
+    /** @var array<string, array> Associative array [WORKBOOK_ID] => [[SHEET_INDEX] => [SHEET_NAME]] keeping track of sheets' name to enforce uniqueness per workbook */
     private static $SHEETS_NAME_USED = [];
 
     /** @var StringHelper */
@@ -126,7 +126,7 @@ class SheetManager
     }
 
     /**
-     * @param int $workbookId Workbook ID associated to a Sheet
+     * @param string $workbookId Workbook ID associated to a Sheet
      * @return void
      */
     public function markWorkbookIdAsUsed($workbookId)

src/Spout/Writer/Common/Manager/Style/StyleRegistry.php

@@ -10,10 +10,10 @@ use Box\Spout\Common\Entity\Style\Style;
  */
 class StyleRegistry
 {
-    /** @var array [SERIALIZED_STYLE] => [STYLE_ID] mapping table, keeping track of the registered styles */
+    /** @var array<string, int> [SERIALIZED_STYLE] => [STYLE_ID] mapping table, keeping track of the registered styles */
     protected $serializedStyleToStyleIdMappingTable = [];
 
-    /** @var array [STYLE_ID] => [STYLE] mapping table, keeping track of the registered styles */
+    /** @var array<int, Style> [STYLE_ID] => [STYLE] mapping table, keeping track of the registered styles */
     protected $styleIdToStyleMappingTable = [];
 
     /**

src/Spout/Writer/Common/Manager/WorkbookManagerAbstract.php

@@ -44,7 +44,7 @@ abstract class WorkbookManagerAbstract implements WorkbookManagerInterface
     /** @var InternalEntityFactory Factory to create entities */
     protected $entityFactory;
 
-    /** @var ManagerFactoryInterface $managerFactory Factory to create managers */
+    /** @var ManagerFactoryInterface Factory to create managers */
     protected $managerFactory;
 
     /** @var Worksheet The worksheet where data will be written to */
@@ -265,6 +265,7 @@ abstract class WorkbookManagerAbstract implements WorkbookManagerInterface
 
     /**
      * @param Row $row
+     * @return void
      */
     private function applyDefaultRowStyle(Row $row)
     {