update deps & install rector

Structural/Flyweight/Character.php

@@ -11,10 +11,8 @@ class Character implements Text
     /**
      * Any state stored by the concrete flyweight must be independent of its context.
      * For flyweights representing characters, this is usually the corresponding character code.
-     *
-     * @var string
      */
-    private $name;
+    private string $name;
 
     public function __construct(string $name)
     {

Structural/Flyweight/Tests/FlyweightTest.php

@@ -7,9 +7,10 @@ use PHPUnit\Framework\TestCase;
 
 class FlyweightTest extends TestCase
 {
-    private $characters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k',
+    private array $characters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k',
         'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
-    private $fonts = ['Arial', 'Times New Roman', 'Verdana', 'Helvetica'];
+
+    private array $fonts = ['Arial', 'Times New Roman', 'Verdana', 'Helvetica'];
 
     public function testFlyweight()
     {

Structural/Flyweight/TextFactory.php

@@ -2,16 +2,18 @@
 
 namespace DesignPatterns\Structural\Flyweight;
 
+use Countable;
+
 /**
  * A factory manages shared flyweights. Clients should not instantiate them directly,
  * but let the factory take care of returning existing objects or creating new ones.
  */
-class TextFactory implements \Countable
+class TextFactory implements Countable
 {
     /**
      * @var Text[]
      */
-    private $charPool = [];
+    private array $charPool = [];
 
     public function get(string $name): Text
     {

Structural/Flyweight/Word.php

@@ -4,10 +4,7 @@ namespace DesignPatterns\Structural\Flyweight;
 
 class Word implements Text
 {
-    /**
-     * @var string
-     */
-    private $name;
+    private string $name;
 
     public function __construct(string $name)
     {