Merge branch '5.4' into 6.0

* 5.4:
  [Serializer] cs fix
  Cleanup more `@return` annotations
  [Form] Fix phpdoc on FormBuilderInterface

Author: nicolas-grekas

Exception/IOExceptionInterface.php

@@ -20,8 +20,6 @@ interface IOExceptionInterface extends ExceptionInterface
 {
     /**
      * Returns the associated path for the exception.
-     *
-     * @return string|null The path
      */
     public function getPath(): ?string;
 }

Filesystem.php

@@ -99,8 +99,6 @@ public function mkdir(string|iterable $dirs, int $mode = 0777)
 
     /**
      * Checks the existence of files or directories.
-     *
-     * @return bool true if the file exists, false otherwise
      */
     public function exists(string|iterable $files): bool
     {
@@ -419,8 +417,6 @@ public function readlink(string $path, bool $canonicalize = false): ?string
 
     /**
      * Given an existing path, convert it to a path relative to a given starting path.
-     *
-     * @return string Path of target relative to starting path
      */
     public function makePathRelative(string $endPath, string $startPath): string
     {

Tests/Fixtures/MockStream/MockStream.php

@@ -34,8 +34,6 @@ public function stream_open(string $path, string $mode, int $options, string &$o
     /**
      * @param string $path  The file path or URL to stat
      * @param int    $flags Holds additional flags set by the streams API
-     *
-     * @return array File stats
      */
     public function url_stat(string $path, int $flags): array
     {