minor symfony#61698 [HttpFoundation] Add better type information using PHPDoc (azjezz)

This PR was merged into the 7.4 branch.

Discussion
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[HttpFoundation] Add better type information using PHPDoc

| Q             | A
| ------------- | ---
| Branch?       | 7.4
| Bug fix?      | no
| New feature?  | no <!-- if yes, also update src/**/CHANGELOG.md -->
| Deprecations? | no <!-- if yes, also update UPGRADE-*.md and src/**/CHANGELOG.md -->
| Issues        | N/A <!-- prefix each issue number with "Fix #"; no need to create an issue if none exists, explain below -->
| License       | MIT

Commits
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cb880a4 chore(http-foundation): add better type information using phpdoc

Author: nicolas-grekas

src/Symfony/Component/HttpFoundation/InputBag.php

@@ -17,14 +17,20 @@
 /**
  * InputBag is a container for user input values such as $_GET, $_POST, $_REQUEST, and $_COOKIE.
  *
+ * @template TInput of string|int|float|bool|null
+ *
  * @author Saif Eddin Gmati <[email protected]>
  */
 final class InputBag extends ParameterBag
 {
     /**
      * Returns a scalar input value by name.
      *
-     * @param string|int|float|bool|null $default The default value if the input key does not exist
+     * @template TDefault of string|int|float|bool|null
+     *
+     * @param TDefault $default The default value if the input key does not exist
+     *
+     * @return TDefault|TInput
      *
      * @throws BadRequestException if the input contains a non-scalar value
      */

src/Symfony/Component/HttpFoundation/Request.php

@@ -95,6 +95,8 @@ class Request
 
     /**
      * Query string parameters ($_GET).
+     *
+     * @var InputBag<string>
      */
     public InputBag $query;
 
@@ -110,6 +112,8 @@ class Request
 
     /**
      * Cookies ($_COOKIE).
+     *
+     * @var InputBag<string>
      */
     public InputBag $cookies;