diff --git a/src/Composer/Downloader/FileDownloader.php b/src/Composer/Downloader/FileDownloader.php
index 9b5783a16..e6e50a609 100644
--- a/src/Composer/Downloader/FileDownloader.php
+++ b/src/Composer/Downloader/FileDownloader.php
@@ -476,7 +476,7 @@ class FileDownloader implements DownloaderInterface, ChangeReportInterface
      * @inheritDoc
      * @throws \RuntimeException
      */
-    public function getLocalChanges(PackageInterface $package, string $targetDir): ?string
+    public function getLocalChanges(PackageInterface $package, string $path): ?string
     {
         $prevIO = $this->io;
 
@@ -485,7 +485,7 @@ class FileDownloader implements DownloaderInterface, ChangeReportInterface
         $e = null;
         $output = '';
 
-        $targetDir = Filesystem::trimTrailingSlash($targetDir);
+        $targetDir = Filesystem::trimTrailingSlash($path);
         try {
             if (is_dir($targetDir.'_compare')) {
                 $this->filesystem->removeDirectory($targetDir.'_compare');
diff --git a/src/Composer/Package/RootAliasPackage.php b/src/Composer/Package/RootAliasPackage.php
index eaa71fd11..07b1f38e0 100644
--- a/src/Composer/Package/RootAliasPackage.php
+++ b/src/Composer/Package/RootAliasPackage.php
@@ -91,21 +91,21 @@ class RootAliasPackage extends CompleteAliasPackage implements RootPackageInterf
     /**
      * @inheritDoc
      */
-    public function setRequires(array $require): void
+    public function setRequires(array $requires): void
     {
-        $this->requires = $this->replaceSelfVersionDependencies($require, Link::TYPE_REQUIRE);
+        $this->requires = $this->replaceSelfVersionDependencies($requires, Link::TYPE_REQUIRE);
 
-        $this->aliasOf->setRequires($require);
+        $this->aliasOf->setRequires($requires);
     }
 
     /**
      * @inheritDoc
      */
-    public function setDevRequires(array $devRequire): void
+    public function setDevRequires(array $devRequires): void
     {
-        $this->devRequires = $this->replaceSelfVersionDependencies($devRequire, Link::TYPE_DEV_REQUIRE);
+        $this->devRequires = $this->replaceSelfVersionDependencies($devRequires, Link::TYPE_DEV_REQUIRE);
 
-        $this->aliasOf->setDevRequires($devRequire);
+        $this->aliasOf->setDevRequires($devRequires);
     }
 
     /**
diff --git a/src/Composer/Repository/ArrayRepository.php b/src/Composer/Repository/ArrayRepository.php
index 0f8e101bd..92de7a614 100644
--- a/src/Composer/Repository/ArrayRepository.php
+++ b/src/Composer/Repository/ArrayRepository.php
@@ -57,16 +57,16 @@ class ArrayRepository implements RepositoryInterface
     /**
      * @inheritDoc
      */
-    public function loadPackages(array $packageMap, array $acceptableStabilities, array $stabilityFlags, array $alreadyLoaded = array())
+    public function loadPackages(array $packageNameMap, array $acceptableStabilities, array $stabilityFlags, array $alreadyLoaded = array())
     {
         $packages = $this->getPackages();
 
         $result = array();
         $namesFound = array();
         foreach ($packages as $package) {
-            if (array_key_exists($package->getName(), $packageMap)) {
+            if (array_key_exists($package->getName(), $packageNameMap)) {
                 if (
-                    (!$packageMap[$package->getName()] || $packageMap[$package->getName()]->matches(new Constraint('==', $package->getVersion())))
+                    (!$packageNameMap[$package->getName()] || $packageNameMap[$package->getName()]->matches(new Constraint('==', $package->getVersion())))
                     && StabilityFilter::isPackageAcceptable($acceptableStabilities, $stabilityFlags, $package->getNames(), $package->getStability())
                     && !isset($alreadyLoaded[$package->getName()][$package->getVersion()])
                 ) {
diff --git a/src/Composer/Repository/CompositeRepository.php b/src/Composer/Repository/CompositeRepository.php
index d10815c35..b9a247f0b 100644
--- a/src/Composer/Repository/CompositeRepository.php
+++ b/src/Composer/Repository/CompositeRepository.php
@@ -105,13 +105,13 @@ class CompositeRepository implements RepositoryInterface
     /**
      * @inheritDoc
      */
-    public function loadPackages(array $packageMap, array $acceptableStabilities, array $stabilityFlags, array $alreadyLoaded = array()): array
+    public function loadPackages(array $packageNameMap, array $acceptableStabilities, array $stabilityFlags, array $alreadyLoaded = array()): array
     {
         $packages = array();
         $namesFound = array();
         foreach ($this->repositories as $repository) {
             /* @var $repository RepositoryInterface */
-            $result = $repository->loadPackages($packageMap, $acceptableStabilities, $stabilityFlags, $alreadyLoaded);
+            $result = $repository->loadPackages($packageNameMap, $acceptableStabilities, $stabilityFlags, $alreadyLoaded);
             $packages[] = $result['packages'];
             $namesFound[] = $result['namesFound'];
         }
diff --git a/src/Composer/Repository/FilterRepository.php b/src/Composer/Repository/FilterRepository.php
index 5072e1696..54d63075c 100644
--- a/src/Composer/Repository/FilterRepository.php
+++ b/src/Composer/Repository/FilterRepository.php
@@ -112,19 +112,19 @@ class FilterRepository implements RepositoryInterface
     /**
      * @inheritDoc
      */
-    public function loadPackages(array $packageMap, array $acceptableStabilities, array $stabilityFlags, array $alreadyLoaded = array()): array
+    public function loadPackages(array $packageNameMap, array $acceptableStabilities, array $stabilityFlags, array $alreadyLoaded = array()): array
     {
-        foreach ($packageMap as $name => $constraint) {
+        foreach ($packageNameMap as $name => $constraint) {
             if (!$this->isAllowed($name)) {
-                unset($packageMap[$name]);
+                unset($packageNameMap[$name]);
             }
         }
 
-        if (!$packageMap) {
+        if (!$packageNameMap) {
             return array('namesFound' => array(), 'packages' => array());
         }
 
-        $result = $this->repo->loadPackages($packageMap, $acceptableStabilities, $stabilityFlags, $alreadyLoaded);
+        $result = $this->repo->loadPackages($packageNameMap, $acceptableStabilities, $stabilityFlags, $alreadyLoaded);
         if (!$this->canonical) {
             $result['namesFound'] = array();
         }