Make all classes final

Author: janedbal

phpcs.xml.dist

@@ -18,6 +18,7 @@
         <exclude name="SlevomatCodingStandard.Commenting.ForbiddenAnnotations.AnnotationForbidden"/><!-- It removes @dataProvider, but PHPUnit 9 does not yet have #[DataProvider] -->
     </rule>
 
+    <rule ref="SlevomatCodingStandard.Classes.RequireAbstractOrFinal"/>
     <rule ref="SlevomatCodingStandard.Functions.DisallowTrailingCommaInDeclaration">
         <properties>
             <property name="onlySingleLine" value="false"/>

src/Collector/ClassDefinitionCollector.php

@@ -34,7 +34,7 @@
  *       interfaces: array<string, null>,
  *  }>
  */
-class ClassDefinitionCollector implements Collector
+final class ClassDefinitionCollector implements Collector
 {
 
     private ReflectionProvider $reflectionProvider;

src/Collector/ConstantFetchCollector.php

@@ -29,7 +29,7 @@
 /**
  * @implements Collector<Node, list<string>>
  */
-class ConstantFetchCollector implements Collector
+final class ConstantFetchCollector implements Collector
 {
 
     use BufferedUsageCollector;

src/Collector/MethodCallCollector.php

@@ -35,7 +35,7 @@
 /**
  * @implements Collector<Node, list<string>>
  */
-class MethodCallCollector implements Collector
+final class MethodCallCollector implements Collector
 {
 
     use BufferedUsageCollector;

src/Collector/ProvidedUsagesCollector.php

@@ -17,7 +17,7 @@
 /**
  * @implements Collector<Node, list<string>>
  */
-class ProvidedUsagesCollector implements Collector
+final class ProvidedUsagesCollector implements Collector
 {
 
     use BufferedUsageCollector;

src/Compatibility/BackwardCompatibilityChecker.php

@@ -9,7 +9,7 @@
 use function implode;
 use function var_export;
 
-class BackwardCompatibilityChecker
+final class BackwardCompatibilityChecker
 {
 
     /**

src/Debug/DebugUsagePrinter.php

@@ -28,7 +28,7 @@
 use function strpos;
 use function substr;
 
-class DebugUsagePrinter
+final class DebugUsagePrinter
 {
 
     public const ANY_MEMBER = "\0";

src/Excluder/MixedUsageExcluder.php

@@ -6,7 +6,7 @@
 use PHPStan\Analyser\Scope;
 use ShipMonk\PHPStan\DeadCode\Graph\ClassMemberUsage;
 
-class MixedUsageExcluder implements MemberUsageExcluder
+final class MixedUsageExcluder implements MemberUsageExcluder
 {
 
     private bool $enabled;

src/Excluder/TestsUsageExcluder.php

@@ -24,7 +24,7 @@
 use function strpos;
 use const JSON_ERROR_NONE;
 
-class TestsUsageExcluder implements MemberUsageExcluder
+final class TestsUsageExcluder implements MemberUsageExcluder
 {
 
     private ReflectionProvider $reflectionProvider;

src/Formatter/RemoveDeadCodeFormatter.php

@@ -15,7 +15,7 @@
 use function array_keys;
 use function count;
 
-class RemoveDeadCodeFormatter implements ErrorFormatter
+final class RemoveDeadCodeFormatter implements ErrorFormatter
 {
 
     private FileSystem $fileSystem;