Fix phpstan errors

phpstan/baseline.neon

@@ -2740,11 +2740,6 @@ parameters:
 			count: 1
 			path: ../src/Composer/DependencyResolver/GenericRule.php
 
-		-
-			message: "#^Cannot access offset 0 on array\\{int, Composer\\\\DependencyResolver\\\\Rule\\}\\|false\\.$#"
-			count: 1
-			path: ../src/Composer/DependencyResolver/LockTransaction.php
-
 		-
 			message: "#^Only booleans are allowed in &&, DateTime\\|null given on the left side\\.$#"
 			count: 1
@@ -3050,16 +3045,6 @@ parameters:
 			count: 1
 			path: ../src/Composer/DependencyResolver/RuleWatchGraph.php
 
-		-
-			message: "#^Cannot access offset 0 on array\\{int, Composer\\\\DependencyResolver\\\\Rule\\}\\|false\\.$#"
-			count: 1
-			path: ../src/Composer/DependencyResolver/Solver.php
-
-		-
-			message: "#^Cannot access offset 1 on array\\{int, Composer\\\\DependencyResolver\\\\Rule\\}\\|false\\.$#"
-			count: 1
-			path: ../src/Composer/DependencyResolver/Solver.php
-
 		-
 			message: "#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#"
 			count: 2
@@ -3526,7 +3511,17 @@ parameters:
 			path: ../src/Composer/Downloader/HgDownloader.php
 
 		-
-			message: "#^Call to function in_array\\(\\) requires parameter \\#3 to be set\\.$#"
+			message: "#^Call to function in_array\\(\\) with arguments 20, array\\{0\\: 10\\|20, 1\\?\\: 20\\} and true will always evaluate to true\\.$#"
+			count: 1
+			path: ../src/Composer/Downloader/PathDownloader.php
+
+		-
+			message: "#^Call to function in_array\\(\\) with arguments 20, non\\-empty\\-array\\<int, 10\\|20\\> and true will always evaluate to true\\.$#"
+			count: 1
+			path: ../src/Composer/Downloader/PathDownloader.php
+
+		-
+			message: "#^Else branch is unreachable because previous condition is always true\\.$#"
 			count: 1
 			path: ../src/Composer/Downloader/PathDownloader.php
 
@@ -5540,11 +5535,6 @@ parameters:
 			count: 1
 			path: ../src/Composer/Repository/FilterRepository.php
 
-		-
-			message: "#^Parameter \\#1 \\$pattern of static method Composer\\\\Pcre\\\\Preg\\:\\:isMatch\\(\\) expects string, string\\|null given\\.$#"
-			count: 1
-			path: ../src/Composer/Repository/FilterRepository.php
-
 		-
 			message: "#^Call to function in_array\\(\\) requires parameter \\#3 to be set\\.$#"
 			count: 7
@@ -5580,11 +5570,6 @@ parameters:
 			count: 2
 			path: ../src/Composer/Repository/PathRepository.php
 
-		-
-			message: "#^Offset 'versions' does not exist on array\\{symlink\\?\\: bool, relative\\?\\: bool, versions\\?\\: array\\<string, string\\>\\}\\.$#"
-			count: 1
-			path: ../src/Composer/Repository/PathRepository.php
-
 		-
 			message: "#^Only booleans are allowed in &&, string\\|false given on the right side\\.$#"
 			count: 1
@@ -6997,7 +6982,7 @@ parameters:
 
 		-
 			message: "#^Offset 'options' does not exist on array\\{url\\: string, options\\?\\: array, copyTo\\?\\: string\\|null\\}\\.$#"
-			count: 5
+			count: 3
 			path: ../src/Composer/Util/HttpDownloader.php
 
 		-

src/Composer/Downloader/PathDownloader.php

@@ -126,7 +126,7 @@ class PathDownloader extends FileDownloader implements VcsCapableDownloaderInter
                     }
                 }
             } catch (IOException $e) {
-                if (in_array(self::STRATEGY_MIRROR, $allowedStrategies)) {
+                if (in_array(self::STRATEGY_MIRROR, $allowedStrategies, true)) {
                     if ($output) {
                         $this->io->writeError('');
                         $this->io->writeError('    <error>Symlink failed, fallback to use mirroring!</error>');
@@ -272,7 +272,7 @@ class PathDownloader extends FileDownloader implements VcsCapableDownloaderInter
 
         // Check we can use junctions safely if we are on Windows
         if (Platform::isWindows() && self::STRATEGY_SYMLINK === $currentStrategy && !$this->safeJunctions()) {
-            if (!in_array(self::STRATEGY_MIRROR, $allowedStrategies)) {
+            if (!in_array(self::STRATEGY_MIRROR, $allowedStrategies, true)) {
                 throw new \RuntimeException('You are on an old Windows / old PHP combo which does not allow Composer to use junctions/symlinks and this path repository has symlink:true in its options so copying is not allowed');
             }
             $currentStrategy = self::STRATEGY_MIRROR;

tests/Composer/Test/InstalledVersionsTest.php

@@ -12,11 +12,13 @@
 
 namespace Composer\Test;
 
+use Composer\Autoload\ClassLoader;
 use Composer\InstalledVersions;
 use Composer\Semver\VersionParser;
 
 class InstalledVersionsTest extends TestCase
 {
+    /** @var array<ClassLoader> */
     private static $previousRegisteredLoaders;
 
     /**