diff --git a/composer.json b/composer.json
index 00147bc..b73d570 100644
--- a/composer.json
+++ b/composer.json
@@ -29,6 +29,7 @@
         "symplify/phpstan-extensions": "^12.0",
         "symplify/phpstan-rules": "^14.9",
         "tomasvotruba/class-leak": "^2.1",
+        "tomasvotruba/unused-public": "^2.1",
         "tracy/tracy": "^2.11"
     },
     "autoload": {
diff --git a/phpstan.neon b/phpstan.neon
index 6fde2e3..de7d534 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -8,6 +8,7 @@ parameters:
     level: 8
 
     paths:
+        - monitor.php
         - bin
         - src
         - tests
diff --git a/src/Compare/Comparator/PHPStanExtensionsComparator.php b/src/Compare/Comparator/PHPStanExtensionsComparator.php
index d68eaea..d742f95 100644
--- a/src/Compare/Comparator/PHPStanExtensionsComparator.php
+++ b/src/Compare/Comparator/PHPStanExtensionsComparator.php
@@ -5,6 +5,7 @@
 namespace Rector\Monitor\Compare\Comparator;
 
 use Rector\Monitor\Compare\Contract\ComparatorInterface;
+use Rector\Monitor\Compare\Enum\PackageNames;
 use Rector\Monitor\Compare\ValueObject\ProjectMetadata;
 use Symfony\Component\Console\Style\SymfonyStyle;
 
@@ -26,8 +27,8 @@ public function compare(
 
         $this->symfonyStyle->title('PHPStan extensions differences');
 
-        $monorepoPHPStanPackageNames = $monorepoProjectMetadata->getPackagesMatchingName('phpstan');
-        $mergePHPStanPackageNames = $mergeProjectMetadata->getPackagesMatchingName('phpstan');
+        $monorepoPHPStanPackageNames = $monorepoProjectMetadata->getPackagesByNames(PackageNames::PHPSTAN_EXTENSIONS);
+        $mergePHPStanPackageNames = $mergeProjectMetadata->getPackagesByNames(PackageNames::PHPSTAN_EXTENSIONS);
 
         $monorepoExtraPackages = array_diff($monorepoPHPStanPackageNames, $mergePHPStanPackageNames);
         $mergeExtraPackages = array_diff($mergePHPStanPackageNames, $monorepoPHPStanPackageNames);
diff --git a/src/Compare/Enum/PackageNames.php b/src/Compare/Enum/PackageNames.php
new file mode 100644
index 0000000..69434e5
--- /dev/null
+++ b/src/Compare/Enum/PackageNames.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Monitor\Compare\Enum;
+
+final class PackageNames
+{
+    /**
+     * @var string[]
+     */
+    public const PHPSTAN_EXTENSIONS = [
+        'phpstan/phpstan-doctrine',
+        'phpstan/phpstan-deprecation-rules',
+        'phpstan/phpstan-symfony',
+        'phpstan/phpstan-phpunit',
+        'symplify/phpstan-extensions',
+        'symplify/phpstan-rules',
+        'rector/type-perfect',
+        'tomasvotruba/unused-public',
+        'tomasvotruba/ctor',
+    ];
+}
diff --git a/src/Compare/ValueObject/ProjectMetadata.php b/src/Compare/ValueObject/ProjectMetadata.php
index f2c793b..9257cb0 100644
--- a/src/Compare/ValueObject/ProjectMetadata.php
+++ b/src/Compare/ValueObject/ProjectMetadata.php
@@ -30,26 +30,27 @@ public function getComposerJson(): array
     }
 
     /**
-     * @return string[]
+     * @param string[] $packageNames
+     * @return array<string, string>
      */
-    public function getPackagesMatchingName(string $matchingName): array
+    public function getPackagesByNames(array $packageNames): array
     {
+        Assert::allString($packageNames);
+
         $composerJson = $this->getComposerJson();
 
         $requirePackages = array_merge($composerJson['require'] ?? [], $composerJson['require-dev'] ?? []);
 
-        $matchingPackageNames = [];
-        foreach (array_keys($requirePackages) as $packageName) {
-            if (! str_contains((string) $packageName, $matchingName)) {
+        $packagesByNames = [];
+        foreach ($packageNames as $packageName) {
+            if (! isset($requirePackages[$packageName])) {
                 continue;
             }
 
-            $matchingPackageNames[] = $packageName;
+            $packagesByNames[$packageName] = $requirePackages[$packageName];
         }
 
-        Assert::allString($matchingPackageNames);
-
-        return $matchingPackageNames;
+        return $packagesByNames;
     }
 
     public function getName(): string
diff --git a/src/Config/MonitorConfig.php b/src/Config/MonitorConfig.php
index c564aea..63ff6d6 100644
--- a/src/Config/MonitorConfig.php
+++ b/src/Config/MonitorConfig.php
@@ -65,6 +65,7 @@ public function addRepositories(array $repositories): self
     }
 
     /**
+     * @api to be used
      * @param string[] $packageNames
      */
     public function disallowPackages(array $packageNames): self
diff --git a/src/ValueObject/ComposerJson.php b/src/ValueObject/ComposerJson.php
index 53c5efc..32718cf 100644
--- a/src/ValueObject/ComposerJson.php
+++ b/src/ValueObject/ComposerJson.php
@@ -42,30 +42,6 @@ public function getPackageVersion(string $packageName): ?string
         return $this->getBothRequires()[$packageName] ?? null;
     }
 
-    /**
-     * @return string[]
-     */
-    public function getRequiredRepositories(): array
-    {
-        $repositories = [];
-
-        $repositoriesData = $this->composerJson['repositories'] ?? [];
-        foreach ($repositoriesData as $repositoryData) {
-            if (! isset($repositoryData['url'])) {
-                continue;
-            }
-
-            // not a git repository reference
-            if (! str_ends_with((string) $repositoryData['url'], '.git')) {
-                continue;
-            }
-
-            $repositories[] = $repositoryData['url'];
-        }
-
-        return $repositories;
-    }
-
     /**
      * @return array<string, string>
      */
diff --git a/src/ValueObject/RepositoryCollection.php b/src/ValueObject/RepositoryCollection.php
index 4e87991..db361a9 100644
--- a/src/ValueObject/RepositoryCollection.php
+++ b/src/ValueObject/RepositoryCollection.php
@@ -33,20 +33,20 @@ public function getComposerRequiredPackageNames(): array
         return $this->filterOutExtensions($uniquePackageNames);
     }
 
-    /**
-     * @return string[]
-     */
-    public function getRepositoryNames(): array
-    {
-        $repositoryNames = [];
-        foreach ($this->repositories as $repository) {
-            $composerJson = $repository->getComposerJson();
-
-            $repositoryNames[] = $composerJson->getRepositoryName();
-        }
-
-        return $repositoryNames;
-    }
+    //    /**
+    //     * @return string[]
+    //     */
+    //    public function getRepositoryNames(): array
+    //    {
+    //        $repositoryNames = [];
+    //        foreach ($this->repositories as $repository) {
+    //            $composerJson = $repository->getComposerJson();
+    //
+    //            $repositoryNames[] = $composerJson->getRepositoryName();
+    //        }
+    //
+    //        return $repositoryNames;
+    //    }
 
     /**
      * @return string[]