Add generics to cache item

Author: ossinkine

extension.neon

@@ -13,6 +13,7 @@ parameters:
 		consoleApplicationLoader: null
 	stubFiles:
 		- stubs/Psr/Cache/CacheItemInterface.stub
+		- stubs/Psr/Cache/CacheItemPoolInterface.stub
 		- stubs/Symfony/Bundle/FrameworkBundle/KernelBrowser.stub
 		- stubs/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.stub
 		- stubs/Symfony/Bundle/FrameworkBundle/Test/TestContainer.stub

stubs/Psr/Cache/CacheItemInterface.stub

@@ -2,6 +2,20 @@
 
 namespace Psr\Cache;
 
+/**
+ * @template TValue
+ */
 interface CacheItemInterface
 {
+    /**
+     * @return TValue
+     */
+    public function get();
+
+    /**
+     * @param TValue $value
+     *
+     * @return static
+     */
+    public function set($value);
 }

stubs/Psr/Cache/CacheItemPoolInterface.stub

@@ -0,0 +1,37 @@
+<?php
+
+namespace Psr\Cache;
+
+/**
+ * @template TValue
+ */
+interface CacheItemPoolInterface
+{
+    /**
+     * @param string $key
+     *
+     * @return CacheItemInterface<TValue>
+     */
+    public function getItem($key);
+
+    /**
+     * @param array<string> $keys
+     *
+     * @return array<CacheItemInterface<TValue>>|\Traversable<CacheItemInterface<TValue>>
+     */
+    public function getItems(array $keys = array());
+
+    /**
+     * @param CacheItemInterface<TValue> $item
+     *
+     * @return bool
+     */
+    public function save(CacheItemInterface $item);
+
+    /**
+     * @param CacheItemInterface<TValue> $item
+     *
+     * @return bool
+     */
+    public function saveDeferred(CacheItemInterface $item);
+}

stubs/Symfony/Contracts/Cache/CacheInterface.stub

@@ -7,7 +7,7 @@ interface CacheInterface
     /**
      * @template T
      *
-     * @param \Symfony\Contracts\Cache\CallbackInterface<T>|callable(\Symfony\Contracts\Cache\ItemInterface, bool): T $callback
+     * @param \Symfony\Contracts\Cache\CallbackInterface<T>|callable(\Symfony\Contracts\Cache\ItemInterface<T>, bool): T $callback
      * @param array<mixed> $metadata
      * @return T
      */

stubs/Symfony/Contracts/Cache/CallbackInterface.stub

@@ -10,6 +10,8 @@ use Psr\Cache\CacheItemInterface;
 interface CallbackInterface
 {
     /**
+     * @param CacheItemInterface<T> $item
+     *
      * @return T
      */
     public function __invoke(CacheItemInterface $item, bool &$save);

stubs/Symfony/Contracts/Cache/ItemInterface.stub

@@ -4,6 +4,10 @@ namespace Symfony\Contracts\Cache;
 
 use Psr\Cache\CacheItemInterface;
 
+/**
+ * @template TValue
+ * @extends CacheItemInterface<TValue>
+ */
 interface ItemInterface extends CacheItemInterface
 {
 }