diff --git a/apps/admin_audit/composer/composer/ClassLoader.php b/apps/admin_audit/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/admin_audit/composer/composer/ClassLoader.php
+++ b/apps/admin_audit/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/cloud_federation_api/composer/composer/ClassLoader.php b/apps/cloud_federation_api/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/cloud_federation_api/composer/composer/ClassLoader.php
+++ b/apps/cloud_federation_api/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/comments/composer/composer/ClassLoader.php b/apps/comments/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/comments/composer/composer/ClassLoader.php
+++ b/apps/comments/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/contactsinteraction/composer/composer/ClassLoader.php b/apps/contactsinteraction/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/contactsinteraction/composer/composer/ClassLoader.php
+++ b/apps/contactsinteraction/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/dashboard/composer/composer/ClassLoader.php b/apps/dashboard/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/dashboard/composer/composer/ClassLoader.php
+++ b/apps/dashboard/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/dav/composer/composer/ClassLoader.php b/apps/dav/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/dav/composer/composer/ClassLoader.php
+++ b/apps/dav/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/dav/composer/composer/autoload_classmap.php b/apps/dav/composer/composer/autoload_classmap.php
index 414c5df4a4a29..b0181e4eee9c3 100644
--- a/apps/dav/composer/composer/autoload_classmap.php
+++ b/apps/dav/composer/composer/autoload_classmap.php
@@ -296,7 +296,8 @@
     'OCA\\DAV\\Migration\\Version1017Date20210216083742' => $baseDir . '/../lib/Migration/Version1017Date20210216083742.php',
     'OCA\\DAV\\Migration\\Version1018Date20210312100735' => $baseDir . '/../lib/Migration/Version1018Date20210312100735.php',
     'OCA\\DAV\\Migration\\Version1024Date20211221144219' => $baseDir . '/../lib/Migration/Version1024Date20211221144219.php',
-    'OCA\\DAV\\Migration\\Version1027Date20230504122946' => $baseDir . '/../lib/Migration/Version1027Date20230504122946.php',
+    'OCA\\DAV\\Migration\\Version1027Date20221114151721' => $baseDir . '/../lib/Migration/Version1027Date20221114151721.php',
+	'OCA\\DAV\\Migration\\Version1027Date20230504122946' => $baseDir . '/../lib/Migration/Version1027Date20230504122946.php',
     'OCA\\DAV\\Profiler\\ProfilerPlugin' => $baseDir . '/../lib/Profiler/ProfilerPlugin.php',
     'OCA\\DAV\\Provisioning\\Apple\\AppleProvisioningNode' => $baseDir . '/../lib/Provisioning/Apple/AppleProvisioningNode.php',
     'OCA\\DAV\\Provisioning\\Apple\\AppleProvisioningPlugin' => $baseDir . '/../lib/Provisioning/Apple/AppleProvisioningPlugin.php',
diff --git a/apps/dav/composer/composer/autoload_static.php b/apps/dav/composer/composer/autoload_static.php
index 7b0520cc220c5..10a734c7a91c6 100644
--- a/apps/dav/composer/composer/autoload_static.php
+++ b/apps/dav/composer/composer/autoload_static.php
@@ -7,14 +7,14 @@
 class ComposerStaticInitDAV
 {
     public static $prefixLengthsPsr4 = array (
-        'O' => 
+        'O' =>
         array (
             'OCA\\DAV\\' => 8,
         ),
     );
 
     public static $prefixDirsPsr4 = array (
-        'OCA\\DAV\\' => 
+        'OCA\\DAV\\' =>
         array (
             0 => __DIR__ . '/..' . '/../lib',
         ),
@@ -311,7 +311,8 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\Migration\\Version1017Date20210216083742' => __DIR__ . '/..' . '/../lib/Migration/Version1017Date20210216083742.php',
         'OCA\\DAV\\Migration\\Version1018Date20210312100735' => __DIR__ . '/..' . '/../lib/Migration/Version1018Date20210312100735.php',
         'OCA\\DAV\\Migration\\Version1024Date20211221144219' => __DIR__ . '/..' . '/../lib/Migration/Version1024Date20211221144219.php',
-        'OCA\\DAV\\Migration\\Version1027Date20230504122946' => __DIR__ . '/..' . '/../lib/Migration/Version1027Date20230504122946.php',
+		'OCA\\DAV\\Migration\\Version1027Date20221114151721' => __DIR__ . '/..' . '/../lib/Migration/Version1027Date20221114151721.php',
+		'OCA\\DAV\\Migration\\Version1027Date20230504122946' => __DIR__ . '/..' . '/../lib/Migration/Version1027Date20230504122946.php',
         'OCA\\DAV\\Profiler\\ProfilerPlugin' => __DIR__ . '/..' . '/../lib/Profiler/ProfilerPlugin.php',
         'OCA\\DAV\\Provisioning\\Apple\\AppleProvisioningNode' => __DIR__ . '/..' . '/../lib/Provisioning/Apple/AppleProvisioningNode.php',
         'OCA\\DAV\\Provisioning\\Apple\\AppleProvisioningPlugin' => __DIR__ . '/..' . '/../lib/Provisioning/Apple/AppleProvisioningPlugin.php',
diff --git a/apps/dav/lib/Migration/Version1027Date20221114151721.php b/apps/dav/lib/Migration/Version1027Date20221114151721.php
new file mode 100644
index 0000000000000..b4885862a1a17
--- /dev/null
+++ b/apps/dav/lib/Migration/Version1027Date20221114151721.php
@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2022 Murena SAS <akhil.potukuchi.ext@murena.com>
+ *
+ * @author Murena SAS <akhil.potukuchi.ext@murena.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\DAV\Migration;
+
+use Closure;
+use Doctrine\DBAL\Schema\SchemaException;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1027Date20221114151721 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @throws SchemaException
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$calendarObjectsTable = $schema->getTable('calendarobjects');
+		if(!$calendarObjectsTable->hasIndex('calobj_clssfction_index')) {
+			$calendarObjectsTable->addIndex(['classification'], 'calobj_clssfction_index');
+			return $schema;
+		}
+		return null;
+	}
+
+}
diff --git a/apps/encryption/composer/composer/ClassLoader.php b/apps/encryption/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/encryption/composer/composer/ClassLoader.php
+++ b/apps/encryption/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/federatedfilesharing/composer/composer/ClassLoader.php b/apps/federatedfilesharing/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/federatedfilesharing/composer/composer/ClassLoader.php
+++ b/apps/federatedfilesharing/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/federation/composer/composer/ClassLoader.php b/apps/federation/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/federation/composer/composer/ClassLoader.php
+++ b/apps/federation/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/files/composer/composer/ClassLoader.php b/apps/files/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/files/composer/composer/ClassLoader.php
+++ b/apps/files/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/files_external/composer/composer/ClassLoader.php b/apps/files_external/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/files_external/composer/composer/ClassLoader.php
+++ b/apps/files_external/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/files_sharing/composer/composer/ClassLoader.php b/apps/files_sharing/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/files_sharing/composer/composer/ClassLoader.php
+++ b/apps/files_sharing/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/files_trashbin/composer/composer/ClassLoader.php b/apps/files_trashbin/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/files_trashbin/composer/composer/ClassLoader.php
+++ b/apps/files_trashbin/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/files_versions/composer/composer/ClassLoader.php b/apps/files_versions/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/files_versions/composer/composer/ClassLoader.php
+++ b/apps/files_versions/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/lookup_server_connector/composer/composer/ClassLoader.php b/apps/lookup_server_connector/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/lookup_server_connector/composer/composer/ClassLoader.php
+++ b/apps/lookup_server_connector/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/oauth2/composer/composer/ClassLoader.php b/apps/oauth2/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/oauth2/composer/composer/ClassLoader.php
+++ b/apps/oauth2/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/provisioning_api/composer/composer/ClassLoader.php b/apps/provisioning_api/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/provisioning_api/composer/composer/ClassLoader.php
+++ b/apps/provisioning_api/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/settings/composer/composer/ClassLoader.php b/apps/settings/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/settings/composer/composer/ClassLoader.php
+++ b/apps/settings/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/sharebymail/composer/composer/ClassLoader.php b/apps/sharebymail/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/sharebymail/composer/composer/ClassLoader.php
+++ b/apps/sharebymail/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/systemtags/composer/composer/ClassLoader.php b/apps/systemtags/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/systemtags/composer/composer/ClassLoader.php
+++ b/apps/systemtags/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/testing/composer/composer/ClassLoader.php b/apps/testing/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/testing/composer/composer/ClassLoader.php
+++ b/apps/testing/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/theming/composer/composer/ClassLoader.php b/apps/theming/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/theming/composer/composer/ClassLoader.php
+++ b/apps/theming/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/twofactor_backupcodes/composer/composer/ClassLoader.php b/apps/twofactor_backupcodes/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/twofactor_backupcodes/composer/composer/ClassLoader.php
+++ b/apps/twofactor_backupcodes/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/updatenotification/composer/composer/ClassLoader.php b/apps/updatenotification/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/updatenotification/composer/composer/ClassLoader.php
+++ b/apps/updatenotification/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/user_ldap/composer/composer/ClassLoader.php b/apps/user_ldap/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/user_ldap/composer/composer/ClassLoader.php
+++ b/apps/user_ldap/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/user_status/composer/composer/ClassLoader.php b/apps/user_status/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/user_status/composer/composer/ClassLoader.php
+++ b/apps/user_status/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/weather_status/composer/composer/ClassLoader.php b/apps/weather_status/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/weather_status/composer/composer/ClassLoader.php
+++ b/apps/weather_status/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/workflowengine/composer/composer/ClassLoader.php b/apps/workflowengine/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/apps/workflowengine/composer/composer/ClassLoader.php
+++ b/apps/workflowengine/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {
diff --git a/apps/workflowengine/composer/composer/installed.php b/apps/workflowengine/composer/composer/installed.php
index 1a66c7f2416b6..9b7c5ef8062e4 100644
--- a/apps/workflowengine/composer/composer/installed.php
+++ b/apps/workflowengine/composer/composer/installed.php
@@ -1,4 +1,4 @@
-<?php return array(
+	<?php return array(
     'root' => array(
         'name' => '__root__',
         'pretty_version' => 'dev-master',
diff --git a/lib/composer/composer/ClassLoader.php b/lib/composer/composer/ClassLoader.php
index 7824d8f7eafe8..a72151c77c8eb 100644
--- a/lib/composer/composer/ClassLoader.php
+++ b/lib/composer/composer/ClassLoader.php
@@ -45,34 +45,35 @@ class ClassLoader
     /** @var \Closure(string):void */
     private static $includeFile;
 
-    /** @var string|null */
+    /** @var ?string */
     private $vendorDir;
 
     // PSR-4
     /**
-     * @var array<string, array<string, int>>
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
      */
     private $prefixLengthsPsr4 = array();
     /**
-     * @var array<string, list<string>>
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
      */
     private $prefixDirsPsr4 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
     /**
-     * List of PSR-0 prefixes
-     *
-     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
-     *
-     * @var array<string, array<string, list<string>>>
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
      */
     private $prefixesPsr0 = array();
     /**
-     * @var list<string>
+     * @var array[]
+     * @psalm-var array<string, string>
      */
     private $fallbackDirsPsr0 = array();
 
@@ -80,7 +81,8 @@ class ClassLoader
     private $useIncludePath = false;
 
     /**
-     * @var array<string, string>
+     * @var string[]
+     * @psalm-var array<string, string>
      */
     private $classMap = array();
 
@@ -88,20 +90,21 @@ class ClassLoader
     private $classMapAuthoritative = false;
 
     /**
-     * @var array<string, bool>
+     * @var bool[]
+     * @psalm-var array<string, bool>
      */
     private $missingClasses = array();
 
-    /** @var string|null */
+    /** @var ?string */
     private $apcuPrefix;
 
     /**
-     * @var array<string, self>
+     * @var self[]
      */
     private static $registeredLoaders = array();
 
     /**
-     * @param string|null $vendorDir
+     * @param ?string $vendorDir
      */
     public function __construct($vendorDir = null)
     {
@@ -110,7 +113,7 @@ public function __construct($vendorDir = null)
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return string[]
      */
     public function getPrefixes()
     {
@@ -122,7 +125,8 @@ public function getPrefixes()
     }
 
     /**
-     * @return array<string, list<string>>
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
      */
     public function getPrefixesPsr4()
     {
@@ -130,7 +134,8 @@ public function getPrefixesPsr4()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirs()
     {
@@ -138,7 +143,8 @@ public function getFallbackDirs()
     }
 
     /**
-     * @return list<string>
+     * @return array[]
+     * @psalm-return array<string, string>
      */
     public function getFallbackDirsPsr4()
     {
@@ -146,7 +152,8 @@ public function getFallbackDirsPsr4()
     }
 
     /**
-     * @return array<string, string> Array of classname => path
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
      */
     public function getClassMap()
     {
@@ -154,7 +161,8 @@ public function getClassMap()
     }
 
     /**
-     * @param array<string, string> $classMap Class to filename map
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
      *
      * @return void
      */
@@ -171,25 +179,24 @@ public function addClassMap(array $classMap)
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string              $prefix  The prefix
-     * @param list<string>|string $paths   The PSR-0 root directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    $paths
+                    (array) $paths
                 );
             }
 
@@ -198,19 +205,19 @@ public function add($prefix, $paths, $prepend = false)
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -219,9 +226,9 @@ public function add($prefix, $paths, $prepend = false)
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string              $prefix  The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths   The PSR-4 base directories
-     * @param bool                $prepend Whether to prepend the directories
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
      *
@@ -229,18 +236,17 @@ public function add($prefix, $paths, $prepend = false)
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
-        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    $paths,
+                    (array) $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    $paths
+                    (array) $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -250,18 +256,18 @@ public function addPsr4($prefix, $paths, $prepend = false)
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = $paths;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                $paths,
+                (array) $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                $paths
+                (array) $paths
             );
         }
     }
@@ -270,8 +276,8 @@ public function addPsr4($prefix, $paths, $prepend = false)
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string              $prefix The prefix
-     * @param list<string>|string $paths  The PSR-0 base directories
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
      *
      * @return void
      */
@@ -288,8 +294,8 @@ public function set($prefix, $paths)
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string              $prefix The prefix/namespace, with trailing '\\'
-     * @param list<string>|string $paths  The PSR-4 base directories
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
      *
@@ -475,9 +481,9 @@ public function findFile($class)
     }
 
     /**
-     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
      *
-     * @return array<string, self>
+     * @return self[]
      */
     public static function getRegisteredLoaders()
     {