update code

Author: rogerdz

app/code/Magento/PageCache/Model/App/Request/Http/IdentifierForSave.php

@@ -57,7 +57,7 @@ public function getValue()
      * @param string $url
      * @return array
      */
-    private function reconstructUrl($url)
+    private function reconstructUrl(string $url): array
     {
         if (empty($url)) {
             return [$url, ''];

app/code/Magento/PageCache/Test/Unit/Model/App/Request/Http/IdentifierForSaveTest.php

@@ -143,6 +143,11 @@ function ($value) {
         );
     }
 
+    /**
+     * Test get identifier for save value with query parameters.
+     *
+     * @return void
+     */
     public function testGetValueWithQuery(): void
     {
         $this->requestMock->expects($this->any())

lib/internal/Magento/Framework/App/PageCache/Identifier.php

@@ -68,7 +68,7 @@ public function getValue()
      * @param string $url
      * @return array
      */
-    private function reconstructUrl($url)
+    private function reconstructUrl(string $url): array
     {
         if (empty($url)) {
             return [$url, ''];

lib/internal/Magento/Framework/App/Test/Unit/PageCache/IdentifierTest.php

@@ -249,6 +249,11 @@ public function testGetValue(): void
         );
     }
 
+    /**
+     * Test get identifier for save value.
+     *
+     * @return void
+     */
     public function testGetValueWithQuery(): void
     {
         $this->requestMock->expects($this->any())