[java] Make extension classes final

GitOrigin-RevId: 1aae04982598568a111e8c78b9a71c9d2b4aa150
2026-04-21 22:11:40 +07:00 · 2023-12-11 13:04:54 +04:00
parent 06342a71b3
commit 019a6852f4
1576 changed files with 1598 additions and 1598 deletions
--- a/java/compiler/impl/src/com/intellij/codeInsight/problems/DefaultProblemFileHighlightFilter.java
+++ b/java/compiler/impl/src/com/intellij/codeInsight/problems/DefaultProblemFileHighlightFilter.java
@@ -7,7 +7,7 @@ import com.intellij.openapi.roots.FileIndexUtil;
 import com.intellij.openapi.util.Condition;
 import com.intellij.openapi.vfs.VirtualFile;

-public class DefaultProblemFileHighlightFilter implements Condition<VirtualFile> {
+public final class DefaultProblemFileHighlightFilter implements Condition<VirtualFile> {
  private final Project myProject;

  public DefaultProblemFileHighlightFilter(Project project) {
--- a/java/compiler/impl/src/com/intellij/compiler/CompilerIconLayerProvider.java
+++ b/java/compiler/impl/src/com/intellij/compiler/CompilerIconLayerProvider.java
@@ -16,7 +16,7 @@ import org.jetbrains.annotations.NotNull;
 import javax.swing.*;


-public class CompilerIconLayerProvider implements IconLayerProvider {
+public final class CompilerIconLayerProvider implements IconLayerProvider {
  @Override
  public Icon getLayerIcon(@NotNull Iconable element, boolean isLocked) {
    VirtualFile vFile = null;
--- a/java/compiler/impl/src/com/intellij/compiler/backwardRefs/CompilerReferenceServiceBase.java
+++ b/java/compiler/impl/src/com/intellij/compiler/backwardRefs/CompilerReferenceServiceBase.java
@@ -122,7 +122,7 @@ public abstract class CompilerReferenceServiceBase<Reader extends CompilerRefere
    return !CompilerReferenceIndex.versionDiffers(buildDir, myReaderFactory.expectedIndexVersion());
  }

-  public static class JCRIIsUpToDateConsumer implements IsUpToDateCheckConsumer {
+  public static final class JCRIIsUpToDateConsumer implements IsUpToDateCheckConsumer {
    @Override
    public boolean isApplicable(@NotNull Project project) {
      CompilerReferenceServiceBase<?> serviceBase = getInstanceIfEnabled(project);
--- a/java/compiler/impl/src/com/intellij/compiler/cache/ui/CompilerCacheConfigurableProvider.java
+++ b/java/compiler/impl/src/com/intellij/compiler/cache/ui/CompilerCacheConfigurableProvider.java
@@ -8,7 +8,7 @@ import com.intellij.openapi.util.registry.Registry;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

-public class CompilerCacheConfigurableProvider extends ConfigurableProvider {
+public final class CompilerCacheConfigurableProvider extends ConfigurableProvider {
  @NotNull
  private final Project myProject;

--- a/java/compiler/impl/src/com/intellij/compiler/impl/BuildUsageCollector.java
+++ b/java/compiler/impl/src/com/intellij/compiler/impl/BuildUsageCollector.java
@@ -6,7 +6,7 @@ import com.intellij.internal.statistic.eventLog.events.EventFields;
 import com.intellij.internal.statistic.eventLog.events.EventId1;
 import com.intellij.internal.statistic.service.fus.collectors.CounterUsagesCollector;

-public class BuildUsageCollector extends CounterUsagesCollector {
+public final class BuildUsageCollector extends CounterUsagesCollector {
  private static final EventLogGroup GROUP = new EventLogGroup("build.jps", 2);
  private static final EventId1<Long> REBUILD_COMPLETED = GROUP.registerEvent("rebuild.completed", EventFields.DurationMs);
  private static final EventId1<Long> BUILD_COMPLETED = GROUP.registerEvent("build.completed", EventFields.DurationMs);
--- a/java/compiler/impl/src/com/intellij/compiler/impl/CompilerEncodingServiceImpl.java
+++ b/java/compiler/impl/src/com/intellij/compiler/impl/CompilerEncodingServiceImpl.java
@@ -23,7 +23,7 @@ import org.jetbrains.jps.model.java.JavaModuleSourceRootTypes;
 import java.nio.charset.Charset;
 import java.util.*;

-public class CompilerEncodingServiceImpl extends CompilerEncodingService {
+public final class CompilerEncodingServiceImpl extends CompilerEncodingService {
  @NotNull private final Project myProject;
  private final CachedValue<Map<Module, Set<Charset>>> myModuleFileEncodings;

--- a/java/compiler/impl/src/com/intellij/compiler/impl/JavaResourcesBuildContributor.java
+++ b/java/compiler/impl/src/com/intellij/compiler/impl/JavaResourcesBuildContributor.java
@@ -10,7 +10,7 @@ import java.util.List;
 /**
 * @author Konstantin Aleev
 */
-public class JavaResourcesBuildContributor implements UpdateResourcesBuildContributor {
+public final class JavaResourcesBuildContributor implements UpdateResourcesBuildContributor {
  @Override
  @NotNull
  public List<? extends ModuleBasedBuildTargetType<?>> getResourceTargetTypes() {
--- a/java/compiler/impl/src/com/intellij/compiler/impl/javaCompiler/JavaCompilableFileTypesProvider.java
+++ b/java/compiler/impl/src/com/intellij/compiler/impl/javaCompiler/JavaCompilableFileTypesProvider.java
@@ -12,7 +12,7 @@ import java.util.Set;
 /**
 * @author Eugene Zhuravlev
 */
-public class JavaCompilableFileTypesProvider implements CompilableFileTypesProvider {
+public final class JavaCompilableFileTypesProvider implements CompilableFileTypesProvider {

  @Override
  public @NotNull Set<FileType> getCompilableFileTypes() {
--- a/java/compiler/impl/src/com/intellij/compiler/options/BuildOnSaveInfo.java
+++ b/java/compiler/impl/src/com/intellij/compiler/options/BuildOnSaveInfo.java
@@ -19,7 +19,7 @@ public class BuildOnSaveInfo extends ActionOnSaveBackedByOwnConfigurable<Compile
   * In Android Studio, the 'Build project automatically' checkbox is available on the {@link com.android.tools.idea.gradle.project.build.compiler.GradleCompilerSettingsConfigurable}
   * page, and the 'Build project' check box will be contributed to the 'Action on Save' page by {@link com.android.tools.idea.gradle.project.build.compiler.GradleCompilerSettingsConfigurable.BuildOnSaveInfoProvider}.
   */
-  public static class BuildOnSaveInfoProvider extends ActionOnSaveInfoProvider {
+  public static final class BuildOnSaveInfoProvider extends ActionOnSaveInfoProvider {
    @Override
    protected @NotNull Collection<? extends ActionOnSaveInfo> getActionOnSaveInfos(@NotNull ActionOnSaveContext context) {
      if (context.getSettings().find(CompilerConfigurable.CONFIGURABLE_ID) == null) {
--- a/java/compiler/impl/src/com/intellij/compiler/server/impl/CustomBuildProcessPluginsClasspathProvider.java
+++ b/java/compiler/impl/src/com/intellij/compiler/server/impl/CustomBuildProcessPluginsClasspathProvider.java
@@ -10,7 +10,7 @@ import java.util.List;
 /**
 * Adds custom plugins configured in {@link BuildProcessCustomPluginsConfiguration} to the build process' classpath.
 */
-public class CustomBuildProcessPluginsClasspathProvider extends BuildProcessParametersProvider {
+public final class CustomBuildProcessPluginsClasspathProvider extends BuildProcessParametersProvider {
  private final Project myProject;

  public CustomBuildProcessPluginsClasspathProvider(Project project) {
--- a/java/compiler/impl/src/com/intellij/openapi/deployment/DeploymentUtilImpl.java
+++ b/java/compiler/impl/src/com/intellij/openapi/deployment/DeploymentUtilImpl.java
@@ -14,7 +14,7 @@ import org.jetbrains.annotations.Nullable;

 import java.io.File;

-public class DeploymentUtilImpl extends DeploymentUtil {
+public final class DeploymentUtilImpl extends DeploymentUtil {
  private static final Logger LOG = Logger.getInstance(DeploymentUtilImpl.class);

  // OS X is sensitive for that
--- a/java/compiler/impl/src/com/intellij/openapi/externalSystem/service/project/settings/CompilerConfigurationHandler.java
+++ b/java/compiler/impl/src/com/intellij/openapi/externalSystem/service/project/settings/CompilerConfigurationHandler.java
@@ -37,7 +37,7 @@ import java.util.Map;
 /**
 * @author Vladislav.Soroka
 */
-public class CompilerConfigurationHandler implements ConfigurationHandler {
+public final class CompilerConfigurationHandler implements ConfigurationHandler {

  private static final Logger LOG = Logger.getInstance(CompilerConfigurationHandler.class);

--- a/java/compiler/impl/src/com/intellij/packaging/impl/artifacts/ArtifactBySourceFileFinderImpl.java
+++ b/java/compiler/impl/src/com/intellij/packaging/impl/artifacts/ArtifactBySourceFileFinderImpl.java
@@ -39,7 +39,7 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.List;

-public class ArtifactBySourceFileFinderImpl extends ArtifactBySourceFileFinder {
+public final class ArtifactBySourceFileFinderImpl extends ArtifactBySourceFileFinder {
  private CachedValue<MultiValuesMap<VirtualFile, Artifact>> myFile2Artifacts;
  private final Project myProject;

--- a/java/compiler/impl/src/com/intellij/packaging/impl/artifacts/JarArtifactType.java
+++ b/java/compiler/impl/src/com/intellij/packaging/impl/artifacts/JarArtifactType.java
@@ -29,7 +29,7 @@ import javax.swing.*;
 import java.util.Collections;
 import java.util.List;

-public class JarArtifactType extends ArtifactType {
+public final class JarArtifactType extends ArtifactType {
  public JarArtifactType() {
    super("jar", JavaCompilerBundle.messagePointer("jar.text"));
  }
--- a/java/compiler/impl/src/com/intellij/packaging/impl/artifacts/PlainArtifactType.java
+++ b/java/compiler/impl/src/com/intellij/packaging/impl/artifacts/PlainArtifactType.java
@@ -26,7 +26,7 @@ import org.jetbrains.annotations.NotNull;

 import javax.swing.*;

-public class PlainArtifactType extends ArtifactType {
+public final class PlainArtifactType extends ArtifactType {
  @NonNls public static final String ID = "plain";

  public static PlainArtifactType getInstance() {
--- a/java/compiler/impl/src/com/intellij/packaging/impl/compiler/ArtifactBuildTargetScopeProvider.java
+++ b/java/compiler/impl/src/com/intellij/packaging/impl/compiler/ArtifactBuildTargetScopeProvider.java
@@ -28,7 +28,7 @@ import org.jetbrains.jps.api.CmdlineRemoteProto.Message.ControllerMessage.Parame

 import java.util.*;

-public class ArtifactBuildTargetScopeProvider extends BuildTargetScopeProvider {
+public final class ArtifactBuildTargetScopeProvider extends BuildTargetScopeProvider {
  @NotNull
  @Override
  public List<TargetTypeBuildScope> getBuildTargetScopes(@NotNull final CompileScope baseScope,
--- a/java/compiler/impl/src/com/intellij/packaging/impl/elements/PackagingElementFactoryImpl.java
+++ b/java/compiler/impl/src/com/intellij/packaging/impl/elements/PackagingElementFactoryImpl.java
@@ -35,7 +35,7 @@ import static kotlinx.collections.immutable.ExtensionsKt.toPersistentList;
 import static org.jetbrains.jps.model.serialization.library.JpsLibraryTableSerializer.APPLICATION_LEVEL;
 import static org.jetbrains.jps.model.serialization.library.JpsLibraryTableSerializer.PROJECT_LEVEL;

-public class PackagingElementFactoryImpl extends PackagingElementFactory {
+public final class PackagingElementFactoryImpl extends PackagingElementFactory {
  private static final Logger LOG = Logger.getInstance(PackagingElementFactoryImpl.class);
  public static final PackagingElementType<DirectoryPackagingElement> DIRECTORY_ELEMENT_TYPE = new DirectoryElementType();
  public static final PackagingElementType<ArchivePackagingElement> ARCHIVE_ELEMENT_TYPE = new ArchiveElementType();
--- a/java/compiler/openapi/src/com/intellij/compiler/CompilerWorkspaceConfiguration.java
+++ b/java/compiler/openapi/src/com/intellij/compiler/CompilerWorkspaceConfiguration.java
@@ -62,7 +62,7 @@ public final class CompilerWorkspaceConfiguration implements PersistentStateComp
  }

  @ApiStatus.Internal
-  static class JavaBuildWorkspaceConfiguration implements BuildWorkspaceConfiguration {
+  static final class JavaBuildWorkspaceConfiguration implements BuildWorkspaceConfiguration {
    private final @NotNull Project myProject;

    JavaBuildWorkspaceConfiguration(@NotNull Project project) {
--- a/java/compiler/openapi/src/com/intellij/compiler/JavaCompilerConfiguration.java
+++ b/java/compiler/openapi/src/com/intellij/compiler/JavaCompilerConfiguration.java
@@ -29,7 +29,7 @@ import org.jetbrains.annotations.NotNull;
 import java.util.List;
 import java.util.Objects;

-public class JavaCompilerConfiguration extends JavaCompilerConfigurationProxy {
+public final class JavaCompilerConfiguration extends JavaCompilerConfigurationProxy {
  @Override
  @NotNull
  public List<String> getAdditionalOptionsImpl(@NotNull Project project, @NotNull Module module) {
@@ -44,7 +44,7 @@ public class JavaCompilerConfiguration extends JavaCompilerConfigurationProxy {
  /**
   * Provides an option "JavaCompilerConfiguration.additionalOptions" to change module-specific compiler options 
   */
-  public static class Provider implements OptionControllerProvider {
+  public static final class Provider implements OptionControllerProvider {

    @SuppressWarnings({"InjectedReferences", "LanguageMismatch"})
    @Override
--- a/java/debugger/impl/src/com/intellij/debugger/actions/DebuggerKeymapExtension.java
+++ b/java/debugger/impl/src/com/intellij/debugger/actions/DebuggerKeymapExtension.java
@@ -12,7 +12,7 @@ import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Condition;
 import com.intellij.util.ArrayUtil;

-class DebuggerKeymapExtension implements KeymapExtension {
+final class DebuggerKeymapExtension implements KeymapExtension {
  @Override
  public KeymapGroup createGroup(final Condition<? super AnAction> filtered, final Project project) {
    AnAction[] xDebuggerActions = ActionsTreeUtil.getActions("XDebugger.Actions");
--- a/java/debugger/impl/src/com/intellij/debugger/actions/JavaDebuggerActionsCollector.java
+++ b/java/debugger/impl/src/com/intellij/debugger/actions/JavaDebuggerActionsCollector.java
@@ -5,7 +5,7 @@ import com.intellij.internal.statistic.eventLog.EventLogGroup;
 import com.intellij.internal.statistic.eventLog.events.EventId;
 import com.intellij.internal.statistic.service.fus.collectors.CounterUsagesCollector;

-public class JavaDebuggerActionsCollector extends CounterUsagesCollector {
+public final class JavaDebuggerActionsCollector extends CounterUsagesCollector {
  private static final EventLogGroup group = new EventLogGroup("java.debugger.actions", 2);
  public static final EventId attachFromConsoleInlay = group.registerEvent("attach.inlay");
  public static final EventId attachFromConsoleInlayShown = group.registerEvent("attach.inlay.shown");
--- a/java/debugger/impl/src/com/intellij/debugger/codeinsight/JavaWithRuntimeCastSurrounder.java
+++ b/java/debugger/impl/src/com/intellij/debugger/codeinsight/JavaWithRuntimeCastSurrounder.java
@@ -20,7 +20,7 @@ import com.intellij.psi.codeStyle.JavaCodeStyleManager;
 import com.intellij.util.IncorrectOperationException;
 import org.jetbrains.annotations.Nullable;

-public class JavaWithRuntimeCastSurrounder extends JavaExpressionSurrounder {
+public final class JavaWithRuntimeCastSurrounder extends JavaExpressionSurrounder {

  @Override
  public String getTemplateDescription() {
--- a/java/debugger/impl/src/com/intellij/debugger/engine/DefaultSourcePositionProvider.java
+++ b/java/debugger/impl/src/com/intellij/debugger/engine/DefaultSourcePositionProvider.java
@@ -26,7 +26,7 @@ import org.jetbrains.annotations.Nullable;
 import java.util.Collection;
 import java.util.List;

-public class DefaultSourcePositionProvider extends SourcePositionProvider {
+public final class DefaultSourcePositionProvider extends SourcePositionProvider {
  @Nullable
  @Override
  protected SourcePosition computeSourcePosition(@NotNull NodeDescriptor descriptor,
--- a/java/debugger/impl/src/com/intellij/debugger/engine/DefaultSyntheticProvider.java
+++ b/java/debugger/impl/src/com/intellij/debugger/engine/DefaultSyntheticProvider.java
@@ -23,7 +23,7 @@ import org.jetbrains.annotations.NotNull;
 /**
 * @author Nikolay.Tropin
 */
-public class DefaultSyntheticProvider implements SyntheticTypeComponentProvider {
+public final class DefaultSyntheticProvider implements SyntheticTypeComponentProvider {

  @Override
  public boolean isSynthetic(@NotNull TypeComponent typeComponent) {
--- a/java/debugger/impl/src/com/intellij/debugger/engine/JavaSimpleGetterProvider.java
+++ b/java/debugger/impl/src/com/intellij/debugger/engine/JavaSimpleGetterProvider.java
@@ -9,7 +9,7 @@ import org.jetbrains.annotations.NotNull;
 /**
 * @author Nikolay.Tropin
 */
-public class JavaSimpleGetterProvider implements SimplePropertyGetterProvider {
+public final class JavaSimpleGetterProvider implements SimplePropertyGetterProvider {
  @Override
  public boolean isInsideSimpleGetter(@NotNull PsiElement element) {
    PsiMethod method = PsiTreeUtil.getParentOfType(element, PsiMethod.class);
--- a/java/debugger/impl/src/com/intellij/debugger/engine/JavaSourcePositionHighlighter.java
+++ b/java/debugger/impl/src/com/intellij/debugger/engine/JavaSourcePositionHighlighter.java
@@ -13,7 +13,7 @@ import org.jetbrains.annotations.Nullable;
 /**
 * @author Nikolay.Tropin
 */
-public class JavaSourcePositionHighlighter extends SourcePositionHighlighter implements DumbAware {
+public final class JavaSourcePositionHighlighter extends SourcePositionHighlighter implements DumbAware {
  @Override
  public TextRange getHighlightRange(SourcePosition sourcePosition) {
    TextRange range = getHighlightRangeInternal(sourcePosition);
--- a/java/debugger/impl/src/com/intellij/debugger/engine/dfaassist/java/JavaDfaAssistProvider.java
+++ b/java/debugger/impl/src/com/intellij/debugger/engine/dfaassist/java/JavaDfaAssistProvider.java
@@ -24,7 +24,7 @@ import com.sun.jdi.*;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

-public class JavaDfaAssistProvider implements DfaAssistProvider {
+public final class JavaDfaAssistProvider implements DfaAssistProvider {
  @Override
  public boolean locationMatches(@NotNull PsiElement element, @NotNull Location location) {
    Method method = location.method();
--- a/java/debugger/impl/src/com/intellij/debugger/engine/evaluation/DebuggerHighlightFilter.java
+++ b/java/debugger/impl/src/com/intellij/debugger/engine/evaluation/DebuggerHighlightFilter.java
@@ -21,7 +21,7 @@ import com.intellij.codeInsight.daemon.impl.HighlightInfoType;
 import com.intellij.psi.PsiFile;
 import org.jetbrains.annotations.NotNull;

-public class DebuggerHighlightFilter implements HighlightInfoFilter {
+public final class DebuggerHighlightFilter implements HighlightInfoFilter {
  @Override
  public boolean accept(@NotNull HighlightInfo highlightInfo, PsiFile file) {
    return highlightInfo.type != HighlightInfoType.UNHANDLED_EXCEPTION ||
--- a/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerManagerImpl.java
+++ b/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerManagerImpl.java
@@ -48,7 +48,7 @@ import javax.swing.*;
 import java.util.*;

@State(name = "DebuggerManager", storages = @Storage(StoragePathMacros.WORKSPACE_FILE))
-public class DebuggerManagerImpl extends DebuggerManagerEx implements PersistentStateComponent<Element> {
+public final class DebuggerManagerImpl extends DebuggerManagerEx implements PersistentStateComponent<Element> {
  private static final Logger LOG = Logger.getInstance(DebuggerManagerImpl.class);
  public static final String LOCALHOST_ADDRESS_FALLBACK = "127.0.0.1";
  private static final int WAIT_KILL_TIMEOUT = 10000;
--- a/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerUtilsImpl.java
+++ b/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerUtilsImpl.java
@@ -67,7 +67,7 @@ import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.stream.Stream;

-public class DebuggerUtilsImpl extends DebuggerUtilsEx {
+public final class DebuggerUtilsImpl extends DebuggerUtilsEx {
  public static final Key<PsiType> PSI_TYPE_KEY = Key.create("PSI_TYPE_KEY");
  private static final Logger LOG = Logger.getInstance(DebuggerUtilsImpl.class);

--- a/java/debugger/impl/src/com/intellij/debugger/impl/JavaEditorTextProviderImpl.java
+++ b/java/debugger/impl/src/com/intellij/debugger/impl/JavaEditorTextProviderImpl.java
@@ -16,7 +16,7 @@ import org.jetbrains.annotations.Nullable;
 /**
 * @author Maxim.Medvedev
 */
-public class JavaEditorTextProviderImpl implements EditorTextProvider {
+public final class JavaEditorTextProviderImpl implements EditorTextProvider {
  private static final Logger LOG = Logger.getInstance(JavaEditorTextProviderImpl.class);

  @Override
--- a/java/debugger/impl/src/com/intellij/debugger/impl/attach/JavaAttachDebuggerProvider.java
+++ b/java/debugger/impl/src/com/intellij/debugger/impl/attach/JavaAttachDebuggerProvider.java
@@ -460,7 +460,7 @@ public class JavaAttachDebuggerProvider implements XAttachDebuggerProvider {
    }
  }

-  public static class ProcessAttachDebuggerRunner extends GenericDebuggerRunner {
+  public static final class ProcessAttachDebuggerRunner extends GenericDebuggerRunner {
    @NotNull
    @Override
    public String getRunnerId() {
--- a/java/debugger/impl/src/com/intellij/debugger/impl/attach/JavaDebuggerAddExceptionBreakpointFilter.java
+++ b/java/debugger/impl/src/com/intellij/debugger/impl/attach/JavaDebuggerAddExceptionBreakpointFilter.java
@@ -28,7 +28,7 @@ import java.util.Collection;
 import java.util.List;
 import java.util.Objects;

-public class JavaDebuggerAddExceptionBreakpointFilter implements JvmExceptionOccurrenceFilter {
+public final class JavaDebuggerAddExceptionBreakpointFilter implements JvmExceptionOccurrenceFilter {
  @Override
  public @Nullable ResultItem applyFilter(@NotNull String exceptionClassName,
                                          @NotNull List<PsiClass> classes,
--- a/java/debugger/impl/src/com/intellij/debugger/impl/attach/JavaSAAttachDebuggerProvider.java
+++ b/java/debugger/impl/src/com/intellij/debugger/impl/attach/JavaSAAttachDebuggerProvider.java
@@ -6,7 +6,7 @@ import com.intellij.execution.process.ProcessInfo;
 import com.intellij.xdebugger.attach.XAttachPresentationGroup;
 import org.jetbrains.annotations.NotNull;

-public class JavaSAAttachDebuggerProvider extends JavaAttachDebuggerProvider {
+public final class JavaSAAttachDebuggerProvider extends JavaAttachDebuggerProvider {
  private static final XAttachPresentationGroup<ProcessInfo> ourAttachGroup = new JavaDebuggerAttachGroup(
    JavaDebuggerBundle.message("debugger.attach.group.name.java.read.only"), -19);

--- a/java/debugger/impl/src/com/intellij/debugger/settings/CaptureConfigurable.java
+++ b/java/debugger/impl/src/com/intellij/debugger/settings/CaptureConfigurable.java
@@ -63,7 +63,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;

-public class CaptureConfigurable implements SearchableConfigurable, NoScroll {
+public final class CaptureConfigurable implements SearchableConfigurable, NoScroll {
  private static final Logger LOG = Logger.getInstance(CaptureConfigurable.class);
  private final Project myProject;

--- a/java/debugger/impl/src/com/intellij/debugger/settings/DebuggerSettingsStatisticsCollector.java
+++ b/java/debugger/impl/src/com/intellij/debugger/settings/DebuggerSettingsStatisticsCollector.java
@@ -13,7 +13,7 @@ import java.util.Set;

 import static com.intellij.internal.statistic.beans.MetricEventUtilKt.addBoolIfDiffers;

-public class DebuggerSettingsStatisticsCollector extends ApplicationUsagesCollector {
+public final class DebuggerSettingsStatisticsCollector extends ApplicationUsagesCollector {
  private static final EventLogGroup GROUP = new EventLogGroup("debugger.settings.ide", 4);
  private static final VarargEventId DISABLE_JIT = GROUP.registerVarargEvent("disableJit", EventFields.Enabled);
  private static final VarargEventId SHOW_ALTERNATIVE_SOURCE = GROUP.registerVarargEvent("showAlternativeSource", EventFields.Enabled);
--- a/java/debugger/impl/src/com/intellij/debugger/settings/JavaDebuggerSettings.java
+++ b/java/debugger/impl/src/com/intellij/debugger/settings/JavaDebuggerSettings.java
@@ -25,7 +25,7 @@ import static java.util.Collections.singletonList;
 * But we must implement createConfigurable as part of XDebuggerSettings otherwise java general settings will be before xdebugger general setting,
 * because JavaDebuggerSettingsPanelProvider has higher priority than XDebuggerSettingsPanelProviderImpl.
 */
-public class JavaDebuggerSettings extends XDebuggerSettings<Element> {
+public final class JavaDebuggerSettings extends XDebuggerSettings<Element> {
  protected JavaDebuggerSettings() {
    super("java");
  }
--- a/java/debugger/impl/src/com/intellij/debugger/ui/XBreakpointGroupingByClassRule.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/XBreakpointGroupingByClassRule.java
@@ -28,7 +28,7 @@ import org.jetbrains.annotations.Nullable;
 import javax.swing.*;
 import java.util.Collection;

-class XBreakpointGroupingByClassRule<B> extends XBreakpointGroupingRule<B, XBreakpointClassGroup> {
+final class XBreakpointGroupingByClassRule<B> extends XBreakpointGroupingRule<B, XBreakpointClassGroup> {
  XBreakpointGroupingByClassRule() {
    super("XBreakpointGroupingByClassRule", JavaDebuggerBundle.message("rule.name.group.by.class"));
  }
--- a/java/debugger/impl/src/com/intellij/debugger/ui/XBreakpointGroupingByPackageRule.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/XBreakpointGroupingByPackageRule.java
@@ -29,7 +29,7 @@ import org.jetbrains.annotations.Nullable;
 import javax.swing.*;
 import java.util.Collection;

-public class XBreakpointGroupingByPackageRule<B> extends XBreakpointGroupingRule<B, XBreakpointPackageGroup> {
+public final class XBreakpointGroupingByPackageRule<B> extends XBreakpointGroupingRule<B, XBreakpointPackageGroup> {

  protected XBreakpointGroupingByPackageRule() {
    super("XBreakpointGroupingByPackageRule", JavaDebuggerBundle.message("rule.name.group.by.package"));
--- a/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaCollectionBreakpointType.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaCollectionBreakpointType.java
@@ -27,7 +27,7 @@ import org.jetbrains.java.debugger.breakpoints.properties.JavaFieldBreakpointPro
 import javax.swing.*;

@ApiStatus.Experimental
-public class JavaCollectionBreakpointType extends JavaLineBreakpointTypeBase<JavaCollectionBreakpointProperties> {
+public final class JavaCollectionBreakpointType extends JavaLineBreakpointTypeBase<JavaCollectionBreakpointProperties> {

  public JavaCollectionBreakpointType() {
    super("java-collection", JavaDebuggerBundle.message("collection.watchpoints.tab.title"));
--- a/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaExceptionBreakpointType.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaExceptionBreakpointType.java
@@ -25,7 +25,7 @@ import javax.swing.*;
 /**
 * @author Eugene Zhuravlev
 */
-public class JavaExceptionBreakpointType extends JavaBreakpointTypeBase<JavaExceptionBreakpointProperties> {
+public final class JavaExceptionBreakpointType extends JavaBreakpointTypeBase<JavaExceptionBreakpointProperties> {
  public JavaExceptionBreakpointType() {
    super("java-exception", JavaDebuggerBundle.message("exception.breakpoints.tab.title"));
  }
--- a/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaFieldBreakpointType.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaFieldBreakpointType.java
@@ -27,7 +27,7 @@ import javax.swing.*;
 /**
 * @author Eugene Zhuravlev
 */
-public class JavaFieldBreakpointType extends JavaLineBreakpointTypeBase<JavaFieldBreakpointProperties> {
+public final class JavaFieldBreakpointType extends JavaLineBreakpointTypeBase<JavaFieldBreakpointProperties> {
  public JavaFieldBreakpointType() {
    super("java-field", JavaDebuggerBundle.message("field.watchpoints.tab.title"));
  }
--- a/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaWildcardMethodBreakpointType.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/JavaWildcardMethodBreakpointType.java
@@ -18,7 +18,7 @@ import javax.swing.*;
 /**
 * @author Egor
 */
-public class JavaWildcardMethodBreakpointType extends JavaBreakpointTypeBase<JavaMethodBreakpointProperties> {
+public final class JavaWildcardMethodBreakpointType extends JavaBreakpointTypeBase<JavaMethodBreakpointProperties> {
  public JavaWildcardMethodBreakpointType() {
    super("java-wildcard-method", JavaDebuggerBundle.message("method.breakpoints.tab.title"));
  }
--- a/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/StackCapturingLineBreakpoint.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/StackCapturingLineBreakpoint.java
@@ -257,7 +257,7 @@ public class StackCapturingLineBreakpoint extends SyntheticMethodBreakpoint {
    }
  }

-  public static class CaptureAsyncStackTraceProvider implements AsyncStackTraceProvider {
+  public static final class CaptureAsyncStackTraceProvider implements AsyncStackTraceProvider {
    @Nullable
    @Override
    public List<StackFrameItem> getAsyncStackTrace(@NotNull JavaStackFrame stackFrame, @NotNull SuspendContextImpl suspendContext) {
--- a/java/debugger/impl/src/com/intellij/debugger/ui/impl/watch/FieldOuterLocalNameAdjuster.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/impl/watch/FieldOuterLocalNameAdjuster.java
@@ -24,7 +24,7 @@ import org.jetbrains.annotations.NotNull;
 /**
 * @author Nikolay.Tropin
 */
-public class FieldOuterLocalNameAdjuster extends NodeDescriptorNameAdjuster {
+public final class FieldOuterLocalNameAdjuster extends NodeDescriptorNameAdjuster {

  @Override
  public boolean isApplicable(@NotNull NodeDescriptor descriptor) {
--- a/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/BinaryRenderer.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/BinaryRenderer.java
@@ -9,7 +9,7 @@ import com.sun.jdi.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.function.Function;

-public class BinaryRenderer extends CompoundRendererProvider {
+public final class BinaryRenderer extends CompoundRendererProvider {
  private static final Logger LOG = Logger.getInstance(BinaryRenderer.class);

  @Override
--- a/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/ClassObjectRenderer.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/ClassObjectRenderer.java
@@ -16,7 +16,7 @@ import org.jetbrains.annotations.NotNull;

 import java.util.Collections;

-class ClassObjectRenderer extends CompoundRendererProvider {
+final class ClassObjectRenderer extends CompoundRendererProvider {
  private static final Logger LOG = Logger.getInstance(ClassObjectRenderer.class);

  @Override
--- a/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/ColorObjectRenderer.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/ColorObjectRenderer.java
@@ -17,7 +17,7 @@ import javax.swing.*;
 import java.awt.*;
 import java.util.Collections;

-class ColorObjectRenderer extends CompoundRendererProvider {
+final class ColorObjectRenderer extends CompoundRendererProvider {
  private static final Logger LOG = Logger.getInstance(ColorObjectRenderer.class);

  @Override
--- a/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/FileObjectRenderer.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/FileObjectRenderer.java
@@ -4,7 +4,7 @@ package com.intellij.debugger.ui.tree.render;
 import com.intellij.debugger.settings.NodeRendererSettings;
 import com.intellij.openapi.util.registry.Registry;

-public class FileObjectRenderer extends CompoundRendererProvider {
+public final class FileObjectRenderer extends CompoundRendererProvider {
  @Override
  protected String getName() {
    return "File";
--- a/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/GraphicsObjectRenderer.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/GraphicsObjectRenderer.java
@@ -8,7 +8,7 @@ import com.sun.jdi.*;

 import javax.swing.*;

-public class GraphicsObjectRenderer extends CompoundRendererProvider {
+public final class GraphicsObjectRenderer extends CompoundRendererProvider {
  @Override
  protected String getName() {
    return "Graphics";
--- a/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/IconObjectRenderer.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/IconObjectRenderer.java
@@ -14,7 +14,7 @@ import org.jetbrains.annotations.NotNull;

 import javax.swing.*;

-class IconObjectRenderer extends CompoundRendererProvider {
+final class IconObjectRenderer extends CompoundRendererProvider {
  @Override
  protected String getName() {
    return "Icon";
--- a/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/StackTraceElementObjectRenderer.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/StackTraceElementObjectRenderer.java
@@ -18,7 +18,7 @@ import org.jetbrains.annotations.NotNull;

 import java.util.Collections;

-class StackTraceElementObjectRenderer extends CompoundRendererProvider {
+final class StackTraceElementObjectRenderer extends CompoundRendererProvider {
  private static final Logger LOG = Logger.getInstance(StackTraceElementObjectRenderer.class);

  @Override
--- a/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/TimestampRenderer.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/TimestampRenderer.java
@@ -12,7 +12,7 @@ import java.sql.Timestamp;
 import java.util.concurrent.CompletableFuture;
 import java.util.function.Function;

-public class TimestampRenderer extends CompoundRendererProvider {
+public final class TimestampRenderer extends CompoundRendererProvider {
  @Override
  protected String getName() {
    return "Timestamp";
--- a/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/UnboxableTypeRenderer.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/UnboxableTypeRenderer.java
@@ -79,49 +79,49 @@ public abstract class UnboxableTypeRenderer extends CompoundRendererProvider {
    return true;
  }

-  public static class BooleanRenderer extends UnboxableTypeRenderer {
+  public static final class BooleanRenderer extends UnboxableTypeRenderer {
    public BooleanRenderer() {
      super(CommonClassNames.JAVA_LANG_BOOLEAN);
    }
  }

-  public static class ByteRenderer extends UnboxableTypeRenderer {
+  public static final class ByteRenderer extends UnboxableTypeRenderer {
    public ByteRenderer() {
      super(CommonClassNames.JAVA_LANG_BYTE);
    }
  }

-  public static class CharacterRenderer extends UnboxableTypeRenderer {
+  public static final class CharacterRenderer extends UnboxableTypeRenderer {
    public CharacterRenderer() {
      super(CommonClassNames.JAVA_LANG_CHARACTER);
    }
  }

-  public static class ShortRenderer extends UnboxableTypeRenderer {
+  public static final class ShortRenderer extends UnboxableTypeRenderer {
    public ShortRenderer() {
      super(CommonClassNames.JAVA_LANG_SHORT);
    }
  }

-  public static class IntegerRenderer extends UnboxableTypeRenderer {
+  public static final class IntegerRenderer extends UnboxableTypeRenderer {
    public IntegerRenderer() {
      super(CommonClassNames.JAVA_LANG_INTEGER);
    }
  }

-  public static class LongRenderer extends UnboxableTypeRenderer {
+  public static final class LongRenderer extends UnboxableTypeRenderer {
    public LongRenderer() {
      super(CommonClassNames.JAVA_LANG_LONG);
    }
  }

-  public static class FloatRenderer extends UnboxableTypeRenderer {
+  public static final class FloatRenderer extends UnboxableTypeRenderer {
    public FloatRenderer() {
      super(CommonClassNames.JAVA_LANG_FLOAT);
    }
  }

-  public static class DoubleRenderer extends UnboxableTypeRenderer {
+  public static final class DoubleRenderer extends UnboxableTypeRenderer {
    public DoubleRenderer() {
      super(CommonClassNames.JAVA_LANG_DOUBLE);
    }
--- a/java/execution/impl/src/com/intellij/compiler/options/CompileStepBeforeRun.java
+++ b/java/execution/impl/src/com/intellij/compiler/options/CompileStepBeforeRun.java
@@ -35,7 +35,7 @@ import org.jetbrains.annotations.Nullable;

 import javax.swing.*;

-public class CompileStepBeforeRun extends BeforeRunTaskProvider<CompileStepBeforeRun.MakeBeforeRunTask> implements DumbAware {
+public final class CompileStepBeforeRun extends BeforeRunTaskProvider<CompileStepBeforeRun.MakeBeforeRunTask> implements DumbAware {
  private static final Logger LOG = Logger.getInstance(CompileStepBeforeRun.class);
  public static final Key<MakeBeforeRunTask> ID = Key.create("Make");

--- a/java/execution/impl/src/com/intellij/compiler/options/CompileStepBeforeRunImporter.java
+++ b/java/execution/impl/src/com/intellij/compiler/options/CompileStepBeforeRunImporter.java
@@ -11,7 +11,7 @@ import org.jetbrains.annotations.NotNull;
 import java.util.List;
 import java.util.Map;

-public class CompileStepBeforeRunImporter implements BeforeRunTaskImporter {
+public final class CompileStepBeforeRunImporter implements BeforeRunTaskImporter {
  @Override
  public List<BeforeRunTask> process(@NotNull Project project,
                                     @NotNull IdeModifiableModelsProvider modelsProvider,
--- a/java/execution/impl/src/com/intellij/compiler/options/CompileStepBeforeRunNoErrorCheck.java
+++ b/java/execution/impl/src/com/intellij/compiler/options/CompileStepBeforeRunNoErrorCheck.java
@@ -15,7 +15,7 @@ import org.jetbrains.annotations.NotNull;

 import javax.swing.*;

-public class CompileStepBeforeRunNoErrorCheck
+public final class CompileStepBeforeRunNoErrorCheck
  extends BeforeRunTaskProvider<CompileStepBeforeRunNoErrorCheck.MakeBeforeRunTaskNoErrorCheck> implements DumbAware {
  public static final Key<MakeBeforeRunTaskNoErrorCheck> ID = Key.create("MakeNoErrorCheck");
  @NotNull private final Project myProject;
--- a/java/execution/impl/src/com/intellij/compiler/options/MakeProjectStepBeforeRun.java
+++ b/java/execution/impl/src/com/intellij/compiler/options/MakeProjectStepBeforeRun.java
@@ -21,7 +21,7 @@ import org.jetbrains.annotations.Nullable;

 import javax.swing.*;

-public class MakeProjectStepBeforeRun extends BeforeRunTaskProvider<MakeProjectStepBeforeRun.MakeProjectBeforeRunTask>
+public final class MakeProjectStepBeforeRun extends BeforeRunTaskProvider<MakeProjectStepBeforeRun.MakeProjectBeforeRunTask>
  implements DumbAware {
  public static final Key<MakeProjectBeforeRunTask> ID = Key.create("MakeProject");

--- a/java/execution/impl/src/com/intellij/execution/AlternativeSdkRootsProvider.java
+++ b/java/execution/impl/src/com/intellij/execution/AlternativeSdkRootsProvider.java
@@ -21,7 +21,7 @@ import org.jetbrains.annotations.NotNull;

 import java.util.*;

-public class AlternativeSdkRootsProvider extends AdditionalLibraryRootsProvider {
+public final class AlternativeSdkRootsProvider extends AdditionalLibraryRootsProvider {
  private static final Key<Collection<SyntheticLibrary>> ALTERNATIVE_SDK_LIBS_KEY = Key.create("ALTERNATIVE_SDK_LIBS_KEY");

  @Override
--- a/java/execution/impl/src/com/intellij/execution/AlternativeSdkRootsProviderForJdkUpdate.java
+++ b/java/execution/impl/src/com/intellij/execution/AlternativeSdkRootsProviderForJdkUpdate.java
@@ -8,7 +8,7 @@ import org.jetbrains.annotations.NotNull;

 import java.util.List;

-public class AlternativeSdkRootsProviderForJdkUpdate implements JdkUpdateCheckContributor {
+public final class AlternativeSdkRootsProviderForJdkUpdate implements JdkUpdateCheckContributor {
  @NotNull
  @Override
  public List<Sdk> contributeJdks(@NotNull Project project) {
--- a/java/execution/impl/src/com/intellij/execution/AntTestContentHandler.java
+++ b/java/execution/impl/src/com/intellij/execution/AntTestContentHandler.java
@@ -19,7 +19,7 @@ import org.xml.sax.helpers.DefaultHandler;
 import java.io.Reader;

 public class AntTestContentHandler extends DefaultHandler {
-  public static class AntTestOutputExtension implements ImportTestOutputExtension {
+  public static final class AntTestOutputExtension implements ImportTestOutputExtension {

    @Nullable
    @Override
--- a/java/execution/impl/src/com/intellij/execution/CommonJavaRunDashboardCustomizer.java
+++ b/java/execution/impl/src/com/intellij/execution/CommonJavaRunDashboardCustomizer.java
@@ -13,7 +13,7 @@ import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

-public class CommonJavaRunDashboardCustomizer extends RunDashboardCustomizer {
+public final class CommonJavaRunDashboardCustomizer extends RunDashboardCustomizer {
  @Override
  public boolean isApplicable(@NotNull RunnerAndConfigurationSettings settings, @Nullable RunContentDescriptor descriptor) {
    RunConfiguration runConfiguration = settings.getConfiguration();
--- a/java/execution/impl/src/com/intellij/execution/application/JvmApplicationRunLineMarkerContributor.java
+++ b/java/execution/impl/src/com/intellij/execution/application/JvmApplicationRunLineMarkerContributor.java
@@ -20,7 +20,7 @@ import java.util.function.Function;
 import static com.intellij.lang.jvm.util.JvmMainMethodUtil.hasMainMethodInHierarchy;
 import static com.intellij.lang.jvm.util.JvmMainMethodUtil.isMainMethod;

-public class JvmApplicationRunLineMarkerContributor extends JvmRunLineMarkerContributor {
+public final class JvmApplicationRunLineMarkerContributor extends JvmRunLineMarkerContributor {
  @Override
  protected @Nullable Info getInfo(@NotNull PsiElement psiElement, @NotNull JvmElement element) {
    return showMarker(element) ? info(psiElement) : null;
--- a/java/execution/impl/src/com/intellij/execution/filters/ExceptionLineParserFactoryImpl.java
+++ b/java/execution/impl/src/com/intellij/execution/filters/ExceptionLineParserFactoryImpl.java
@@ -3,7 +3,7 @@ package com.intellij.execution.filters;

 import org.jetbrains.annotations.NotNull;

-public class ExceptionLineParserFactoryImpl implements ExceptionLineParserFactory {
+public final class ExceptionLineParserFactoryImpl implements ExceptionLineParserFactory {
  @Override
  public ExceptionLineParser create(@NotNull ExceptionInfoCache cache) {
    return new ExceptionLineParserImpl(cache);
--- a/java/execution/impl/src/com/intellij/execution/impl/JavaDebuggerAutoAttach.java
+++ b/java/execution/impl/src/com/intellij/execution/impl/JavaDebuggerAutoAttach.java
@@ -18,7 +18,7 @@ import org.jetbrains.annotations.Nullable;

 import java.util.regex.Matcher;

-public class JavaDebuggerAutoAttach extends RunConfigurationExtension {
+public final class JavaDebuggerAutoAttach extends RunConfigurationExtension {
  @Override
  public <T extends RunConfigurationBase<?>> void updateJavaParameters(@NotNull T configuration,
                                                                       @NotNull JavaParameters params,
--- a/java/execution/impl/src/com/intellij/execution/impl/JavaDebuggerConsoleFilterProvider.java
+++ b/java/execution/impl/src/com/intellij/execution/impl/JavaDebuggerConsoleFilterProvider.java
@@ -18,7 +18,7 @@ import java.util.Arrays;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;

-public class JavaDebuggerConsoleFilterProvider implements ConsoleFilterProvider {
+public final class JavaDebuggerConsoleFilterProvider implements ConsoleFilterProvider {
  static final Pattern PATTERN = Pattern.compile("Listening for transport (\\S+) at address: (\\S+)");

  @Override
--- a/java/execution/impl/src/com/intellij/execution/jar/JarApplicationDebuggerRunner.java
+++ b/java/execution/impl/src/com/intellij/execution/jar/JarApplicationDebuggerRunner.java
@@ -20,7 +20,7 @@ import com.intellij.execution.configurations.RunProfile;
 import com.intellij.execution.executors.DefaultDebugExecutor;
 import org.jetbrains.annotations.NotNull;

-public class JarApplicationDebuggerRunner extends GenericDebuggerRunner {
+public final class JarApplicationDebuggerRunner extends GenericDebuggerRunner {
  @Override
  public boolean canRun(@NotNull String executorId, @NotNull RunProfile profile) {
    return DefaultDebugExecutor.EXECUTOR_ID.equals(executorId) && profile instanceof JarApplicationConfiguration;
--- a/java/execution/impl/src/com/intellij/execution/runners/ProcessProxyFactoryImpl.java
+++ b/java/execution/impl/src/com/intellij/execution/runners/ProcessProxyFactoryImpl.java
@@ -18,7 +18,7 @@ import com.intellij.rt.execution.application.AppMainV2;

 import java.io.File;

-public class ProcessProxyFactoryImpl extends ProcessProxyFactory {
+public final class ProcessProxyFactoryImpl extends ProcessProxyFactory {
  private static final boolean ourMayUseLauncher = !Boolean.getBoolean("idea.no.launcher");

  @Override
--- a/java/execution/impl/src/com/intellij/execution/scratch/JavaScratchConfigurationProducer.java
+++ b/java/execution/impl/src/com/intellij/execution/scratch/JavaScratchConfigurationProducer.java
@@ -22,7 +22,7 @@ import java.util.Objects;
 /**
 * @author Eugene Zhuravlev
 */
-public class JavaScratchConfigurationProducer extends AbstractApplicationConfigurationProducer<JavaScratchConfiguration> {
+public final class JavaScratchConfigurationProducer extends AbstractApplicationConfigurationProducer<JavaScratchConfiguration> {
  @NotNull
  @Override
  public ConfigurationFactory getConfigurationFactory() {
--- a/java/execution/impl/src/com/intellij/execution/ui/BundledJreProvider.java
+++ b/java/execution/impl/src/com/intellij/execution/ui/BundledJreProvider.java
@@ -11,7 +11,7 @@ import org.jetbrains.annotations.Nullable;
 /**
 * @author Konstantin Bulenkov
 */
-public class BundledJreProvider implements JreProvider {
+public final class BundledJreProvider implements JreProvider {
  public static final String BUNDLED = "Bundled";

  private final @Nullable String myBundle = AlternativeJrePathConverter.BUNDLED_JRE_PATH.getValue();
--- a/java/execution/impl/src/com/intellij/execution/ui/VmOptionsCompletionContributor.java
+++ b/java/execution/impl/src/com/intellij/execution/ui/VmOptionsCompletionContributor.java
@@ -35,7 +35,7 @@ import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;

-public class VmOptionsCompletionContributor extends CompletionContributor implements DumbAware {
+public final class VmOptionsCompletionContributor extends CompletionContributor implements DumbAware {
  private static final Pattern OPTION_SEPARATOR = Pattern.compile("\\s+");
  private static final Pattern OPTION_MATCHER = Pattern.compile("^-XX:[+\\-]?(\\w+)(=.+)?$");
  private static final char OPTION_VALUE_SEPRATOR = '=';
--- a/java/execution/openapi/src/com/intellij/execution/filters/ExceptionBaseFilterFactory.java
+++ b/java/execution/openapi/src/com/intellij/execution/filters/ExceptionBaseFilterFactory.java
@@ -21,7 +21,7 @@ import org.jetbrains.annotations.NotNull;

 import java.util.Objects;

-public class ExceptionBaseFilterFactory implements ExceptionFilterFactory {
+public final class ExceptionBaseFilterFactory implements ExceptionFilterFactory {
  @NotNull
  @Override
  public Filter create(@NotNull GlobalSearchScope searchScope) {
--- a/java/execution/openapi/src/com/intellij/execution/filters/NavigateToExceptionClassFilter.java
+++ b/java/execution/openapi/src/com/intellij/execution/filters/NavigateToExceptionClassFilter.java
@@ -10,7 +10,7 @@ import org.jetbrains.annotations.Nullable;

 import java.util.List;

-public class NavigateToExceptionClassFilter implements JvmExceptionOccurrenceFilter {
+public final class NavigateToExceptionClassFilter implements JvmExceptionOccurrenceFilter {
  @Override
  public @Nullable ResultItem applyFilter(@NotNull String exceptionClassName,
                                                 @NotNull List<PsiClass> classes,
--- a/java/ide-customization/src/com/intellij/ide/java/JavaIdeLanguageCustomization.java
+++ b/java/ide-customization/src/com/intellij/ide/java/JavaIdeLanguageCustomization.java
@@ -9,7 +9,7 @@ import org.jetbrains.annotations.NotNull;
 import java.util.Collections;
 import java.util.List;

-public class JavaIdeLanguageCustomization extends IdeLanguageCustomization {
+public final class JavaIdeLanguageCustomization extends IdeLanguageCustomization {
  @NotNull
  @Override
  public List<Language> getPrimaryIdeLanguages() {
--- a/java/idea-ui/src/com/intellij/facet/impl/ui/FacetEditorsFactoryImpl.java
+++ b/java/idea-ui/src/com/intellij/facet/impl/ui/FacetEditorsFactoryImpl.java
@@ -26,7 +26,7 @@ import com.intellij.openapi.module.Module;
 import com.intellij.openapi.roots.ui.configuration.libraries.CustomLibraryDescription;
 import org.jetbrains.annotations.NotNull;

-public class FacetEditorsFactoryImpl extends FacetEditorsFactory {
+public final class FacetEditorsFactoryImpl extends FacetEditorsFactory {
  public static FacetEditorsFactoryImpl getInstanceImpl() {
    return (FacetEditorsFactoryImpl)getInstance();
  }
--- a/java/idea-ui/src/com/intellij/facet/impl/ui/FacetEditorsStateManagerImpl.java
+++ b/java/idea-ui/src/com/intellij/facet/impl/ui/FacetEditorsStateManagerImpl.java
@@ -18,7 +18,7 @@ import java.util.HashMap;
 import java.util.Map;

@State(name = "FacetEditorsStateManager", storages = @Storage(StoragePathMacros.WORKSPACE_FILE))
-public class FacetEditorsStateManagerImpl extends FacetEditorsStateManager implements PersistentStateComponent<FacetEditorsStateManagerImpl.FacetEditorsStateBean>{
+public final class FacetEditorsStateManagerImpl extends FacetEditorsStateManager implements PersistentStateComponent<FacetEditorsStateManagerImpl.FacetEditorsStateBean>{
  private final Map<String, Object> myFacetTypeStates = new HashMap<>();
  private FacetEditorsStateBean myBean = new FacetEditorsStateBean();

--- a/java/idea-ui/src/com/intellij/framework/library/impl/DownloadableLibraryServiceImpl.java
+++ b/java/idea-ui/src/com/intellij/framework/library/impl/DownloadableLibraryServiceImpl.java
@@ -35,7 +35,7 @@ import org.jetbrains.annotations.NotNull;

 import java.net.URL;

-public class DownloadableLibraryServiceImpl extends DownloadableLibraryService {
+public final class DownloadableLibraryServiceImpl extends DownloadableLibraryService {
  private static final Logger LOG = Logger.getInstance(DownloadableLibraryServiceImpl.class);

  @NotNull
--- a/java/idea-ui/src/com/intellij/ide/impl/ProjectStructureSelectInTarget.java
+++ b/java/idea-ui/src/com/intellij/ide/impl/ProjectStructureSelectInTarget.java
@@ -41,7 +41,7 @@ import org.jetbrains.annotations.Nullable;
 import java.util.Collection;
 import java.util.Iterator;

-public class ProjectStructureSelectInTarget implements SelectInTarget, DumbAware {
+public final class ProjectStructureSelectInTarget implements SelectInTarget, DumbAware {
  @Override
  public boolean canSelect(SelectInContext context) {
    ProjectFileIndex fileIndex = ProjectRootManager.getInstance(context.getProject()).getFileIndex();
--- a/java/idea-ui/src/com/intellij/ide/projectWizard/GeneralModuleTypeForIdea.java
+++ b/java/idea-ui/src/com/intellij/ide/projectWizard/GeneralModuleTypeForIdea.java
@@ -37,7 +37,7 @@ import javax.swing.tree.TreePath;
 import java.awt.*;
 import java.util.List;

-public class GeneralModuleTypeForIdea extends GeneralModuleType {
+public final class GeneralModuleTypeForIdea extends GeneralModuleType {
  @Override
  public @NotNull ModuleBuilder createModuleBuilder() {
    return new GeneralModuleBuilder() {
--- a/java/idea-ui/src/com/intellij/ide/projectWizard/ModuleTypeCategory.java
+++ b/java/idea-ui/src/com/intellij/ide/projectWizard/ModuleTypeCategory.java
@@ -30,7 +30,7 @@ public class ModuleTypeCategory extends ProjectCategory {
    }
  }

-  public static class JavaSE extends Java {
+  public static final class JavaSE extends Java {
    @Override
    public int getWeight() {
      return JavaModuleBuilder.JAVA_WEIGHT;
--- a/java/idea-ui/src/com/intellij/ide/util/projectWizard/ImportFromSourcesProvider.java
+++ b/java/idea-ui/src/com/intellij/ide/util/projectWizard/ImportFromSourcesProvider.java
@@ -37,7 +37,7 @@ import java.util.List;
 /**
 * @author Dmitry Avdeev
 */
-public class ImportFromSourcesProvider extends ProjectImportProvider {
+public final class ImportFromSourcesProvider extends ProjectImportProvider {

  public ImportFromSourcesProvider() {
    super(new ProjectFromSourcesBuilderImpl(null, null)); // fake
--- a/java/idea-ui/src/com/intellij/ide/util/projectWizard/ModuleImportProvider.java
+++ b/java/idea-ui/src/com/intellij/ide/util/projectWizard/ModuleImportProvider.java
@@ -25,7 +25,7 @@ import org.jetbrains.annotations.Nullable;
 /**
 * @author Dmitry Avdeev
 */
-public class ModuleImportProvider extends ProjectImportProvider {
+public final class ModuleImportProvider extends ProjectImportProvider {

  public ModuleImportProvider() {
    super(new ModuleImportBuilder());
--- a/java/idea-ui/src/com/intellij/ide/util/projectWizard/ProjectWizardStepFactoryImpl.java
+++ b/java/idea-ui/src/com/intellij/ide/util/projectWizard/ProjectWizardStepFactoryImpl.java
@@ -17,7 +17,7 @@ import javax.swing.*;
 /**
 * @author Eugene Zhuravlev
 */
-public class ProjectWizardStepFactoryImpl extends ProjectWizardStepFactory {
+public final class ProjectWizardStepFactoryImpl extends ProjectWizardStepFactory {
  private static final Key<ProjectJdkStep> PROJECT_JDK_STEP_KEY = Key.create("ProjectJdkStep");

  @Override
--- a/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/DefaultProjectStructureDetector.java
+++ b/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/DefaultProjectStructureDetector.java
@@ -24,7 +24,7 @@ import java.io.File;
 import java.util.Collection;
 import java.util.List;

-public class DefaultProjectStructureDetector extends ProjectStructureDetector {
+public final class DefaultProjectStructureDetector extends ProjectStructureDetector {
  @NotNull
  @Override
  public DirectoryProcessingResult detectRoots(@NotNull File dir,
--- a/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/impl/JavaProjectStructureDetector.java
+++ b/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/impl/JavaProjectStructureDetector.java
@@ -19,7 +19,7 @@ import javax.swing.*;
 import java.util.ArrayList;
 import java.util.List;

-public class JavaProjectStructureDetector extends JavaSourceRootDetector {
+public final class JavaProjectStructureDetector extends JavaSourceRootDetector {

  @NotNull
  @Override
--- a/java/idea-ui/src/com/intellij/jarRepository/settings/RemoteRepositoriesConfigurable.java
+++ b/java/idea-ui/src/com/intellij/jarRepository/settings/RemoteRepositoriesConfigurable.java
@@ -44,7 +44,7 @@ import static com.intellij.jarRepository.settings.JarRepositoryLibraryBindUtils.
 import static com.intellij.jarRepository.settings.JarRepositoryLibraryBindUtils.updateLibrariesRepositoryId;
 import static com.intellij.ui.ListUtil.removeSelectedItems;

-public class RemoteRepositoriesConfigurable implements SearchableConfigurable, Configurable.NoScroll {
+public final class RemoteRepositoriesConfigurable implements SearchableConfigurable, Configurable.NoScroll {
  private JPanel myMainPanel;

  private JBList<String> myServiceList;
--- a/java/idea-ui/src/com/intellij/openapi/externalSystem/service/project/ExternalModuleStructureExtension.java
+++ b/java/idea-ui/src/com/intellij/openapi/externalSystem/service/project/ExternalModuleStructureExtension.java
@@ -30,7 +30,7 @@ import java.util.Map;
 /**
 * @author Vladislav.Soroka
 */
-public class ExternalModuleStructureExtension extends ModuleStructureExtension {
+public final class ExternalModuleStructureExtension extends ModuleStructureExtension {

  private static final Logger LOG = Logger.getInstance(ExternalModuleStructureExtension.class);
  @Nullable
--- a/java/idea-ui/src/com/intellij/openapi/externalSystem/service/project/PackagingModifiableModelProvider.java
+++ b/java/idea-ui/src/com/intellij/openapi/externalSystem/service/project/PackagingModifiableModelProvider.java
@@ -8,7 +8,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;

@ApiStatus.Experimental
-public class PackagingModifiableModelProvider implements ModifiableModelsProviderExtension<PackagingModifiableModel> {
+public final class PackagingModifiableModelProvider implements ModifiableModelsProviderExtension<PackagingModifiableModel> {

  @NotNull
  @Override
--- a/java/idea-ui/src/com/intellij/openapi/roots/IdeaModifiableModelsProvider.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/IdeaModifiableModelsProvider.java
@@ -23,7 +23,7 @@ import java.lang.reflect.Proxy;
 /**
 * @author Dennis.Ushakov
 */
-public class IdeaModifiableModelsProvider implements ModifiableModelsProvider {
+public final class IdeaModifiableModelsProvider implements ModifiableModelsProvider {
  @Override
  @Nullable
  public ModifiableRootModel getModuleModifiableModel(@NotNull final Module module) {
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/OrderEntryAppearanceServiceImpl.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/OrderEntryAppearanceServiceImpl.java
@@ -33,7 +33,7 @@ import org.jetbrains.annotations.Nullable;
 import javax.swing.*;
 import java.io.File;

-public class OrderEntryAppearanceServiceImpl extends OrderEntryAppearanceService {
+public final class OrderEntryAppearanceServiceImpl extends OrderEntryAppearanceService {

  @NotNull
  @Override
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/DefaultModuleConfigurationEditorFactoryImpl.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/DefaultModuleConfigurationEditorFactoryImpl.java
@@ -21,7 +21,7 @@ import com.intellij.openapi.module.ModuleConfigurationEditor;
 /**
 * @author Eugene Zhuravlev
 */
-public class DefaultModuleConfigurationEditorFactoryImpl extends DefaultModuleConfigurationEditorFactory {
+public final class DefaultModuleConfigurationEditorFactoryImpl extends DefaultModuleConfigurationEditorFactory {
  @Override
  public ModuleConfigurationEditor createModuleContentRootsEditor(ModuleConfigurationState state) {
    final Module module = state.getCurrentRootModel().getModule();
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/IdeaProjectSettingsService.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/IdeaProjectSettingsService.java
@@ -19,7 +19,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;


-public class IdeaProjectSettingsService extends ProjectSettingsService implements ArtifactAwareProjectSettingsService {
+public final class IdeaProjectSettingsService extends ProjectSettingsService implements ArtifactAwareProjectSettingsService {
  private final Project myProject;

  public IdeaProjectSettingsService(final Project project) {
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/JavaResourceRootEditHandler.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/JavaResourceRootEditHandler.java
@@ -24,7 +24,7 @@ import org.jetbrains.jps.model.java.JavaResourceRootType;
 import javax.swing.*;
 import java.awt.*;

-public class JavaResourceRootEditHandler extends JavaResourceRootEditHandlerBase {
+public final class JavaResourceRootEditHandler extends JavaResourceRootEditHandlerBase {
  public JavaResourceRootEditHandler() {
    super(JavaResourceRootType.RESOURCE);
  }
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/JavaTestResourceRootEditHandler.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/JavaTestResourceRootEditHandler.java
@@ -23,7 +23,7 @@ import org.jetbrains.jps.model.java.JavaResourceRootType;
 import javax.swing.*;
 import java.awt.*;

-public class JavaTestResourceRootEditHandler extends JavaResourceRootEditHandlerBase {
+public final class JavaTestResourceRootEditHandler extends JavaResourceRootEditHandlerBase {
  public JavaTestResourceRootEditHandler() {
    super(JavaResourceRootType.TEST_RESOURCE);
  }
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/LibraryJavaSourceRootDetector.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/LibraryJavaSourceRootDetector.java
@@ -23,7 +23,7 @@ import org.jetbrains.annotations.NotNull;

 import java.util.Collection;

-public class LibraryJavaSourceRootDetector extends RootDetector {
+public final class LibraryJavaSourceRootDetector extends RootDetector {
  public LibraryJavaSourceRootDetector() {
    super(OrderRootType.SOURCES, false, "sources");
  }
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ModulesConfigurator.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ModulesConfigurator.java
@@ -589,7 +589,7 @@ public class ModulesConfigurator implements ModulesProvider, ModuleEditor.Change
  }

  @ApiStatus.Internal
-  public static class NewProjectWizardFactoryImpl implements NewProjectWizardFactory {
+  public static final class NewProjectWizardFactoryImpl implements NewProjectWizardFactory {

    @Override
    public @NotNull NewProjectWizard create(@Nullable Project project,
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/artifacts/sourceItems/ArtifactsSourceItemsProvider.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/artifacts/sourceItems/ArtifactsSourceItemsProvider.java
@@ -17,7 +17,7 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.List;

-public class ArtifactsSourceItemsProvider extends PackagingSourceItemsProvider {
+public final class ArtifactsSourceItemsProvider extends PackagingSourceItemsProvider {
  @Override
  @NotNull
  public Collection<? extends PackagingSourceItem> getSourceItems(@NotNull ArtifactEditorContext editorContext,
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/artifacts/sourceItems/ModulesAndLibrariesSourceItemsProvider.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/artifacts/sourceItems/ModulesAndLibrariesSourceItemsProvider.java
@@ -21,7 +21,7 @@ import org.jetbrains.annotations.NotNull;

 import java.util.*;

-public class ModulesAndLibrariesSourceItemsProvider extends PackagingSourceItemsProvider {
+public final class ModulesAndLibrariesSourceItemsProvider extends PackagingSourceItemsProvider {

  @Override
  @NotNull
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/libraryEditor/AnnotationsOrderRootTypeUIFactory.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/libraryEditor/AnnotationsOrderRootTypeUIFactory.java
@@ -26,7 +26,7 @@ import com.intellij.openapi.roots.ui.OrderRootTypeUIFactory;

 import javax.swing.*;

-public class AnnotationsOrderRootTypeUIFactory implements OrderRootTypeUIFactory {
+public final class AnnotationsOrderRootTypeUIFactory implements OrderRootTypeUIFactory {

  @Override
  public Icon getIcon() {
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/libraryEditor/ClassesOrderRootTypeUIFactory.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/libraryEditor/ClassesOrderRootTypeUIFactory.java
@@ -18,7 +18,7 @@ import javax.swing.*;
 /**
 * @author anna
 */
-public class ClassesOrderRootTypeUIFactory implements OrderRootTypeUIFactory {
+public final class ClassesOrderRootTypeUIFactory implements OrderRootTypeUIFactory {
  @Override
  public SdkPathEditor createPathEditor(Sdk sdk) {
    return new MySdkPathEditor(new FileChooserDescriptor(true, true, true, false, true, true));
--- a/Show More
+++ b/Show More