diff --git a/compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/JavaClassImpl.kt.201 b/compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/JavaClassImpl.kt.201
index 345cf8ac9c7aa2429089df51a9aeac384d830368..cb79b6d81b281603bbd664bd6705c92cbf4540d7 100644
--- a/compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/JavaClassImpl.kt.201
+++ b/compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/JavaClassImpl.kt.201
@@ -62,6 +62,12 @@ class JavaClassImpl(psiClass: PsiClass) : JavaClassifierImpl<PsiClass>(psiClass)
     override val isRecord: Boolean
         get() = false
 
+    override val isSealed: Boolean
+        get() = JavaElementUtil.isSealed(this)
+
+    override val permittedTypes: Collection<JavaClassifierType>
+        get() = emptyList()
+
     override val outerClass: JavaClassImpl?
         get() {
             val outer = psi.containingClass
diff --git a/compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/JavaElementUtil.java.201 b/compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/JavaElementUtil.java.201
new file mode 100644
index 0000000000000000000000000000000000000000..9696b156fd9c17f64c6ca18b6801f54487f0d236
--- /dev/null
+++ b/compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/JavaElementUtil.java.201
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.load.java.structure.impl;
+
+import com.intellij.codeInsight.ExternalAnnotationsManager;
+import com.intellij.psi.PsiAnnotation;
+import com.intellij.psi.PsiAnnotationOwner;
+import com.intellij.psi.PsiModifier;
+import com.intellij.psi.PsiModifierListOwner;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.kotlin.descriptors.Visibilities;
+import org.jetbrains.kotlin.descriptors.Visibility;
+import org.jetbrains.kotlin.descriptors.java.JavaVisibilities;
+import org.jetbrains.kotlin.load.java.structure.JavaAnnotation;
+import org.jetbrains.kotlin.name.FqName;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+
+import static org.jetbrains.kotlin.load.java.structure.impl.JavaElementCollectionFromPsiArrayUtil.annotations;
+import static org.jetbrains.kotlin.load.java.structure.impl.JavaElementCollectionFromPsiArrayUtil.nullabilityAnnotations;
+
+/* package */ class JavaElementUtil {
+    private JavaElementUtil() {
+    }
+
+    public static boolean isAbstract(@NotNull JavaModifierListOwnerImpl owner) {
+        return owner.getPsi().hasModifierProperty(PsiModifier.ABSTRACT);
+    }
+
+    public static boolean isStatic(@NotNull JavaModifierListOwnerImpl owner) {
+        return owner.getPsi().hasModifierProperty(PsiModifier.STATIC);
+    }
+
+    public static boolean isFinal(@NotNull JavaModifierListOwnerImpl owner) {
+        return owner.getPsi().hasModifierProperty(PsiModifier.FINAL);
+    }
+
+    public static boolean isSealed(@NotNull JavaModifierListOwnerImpl owner) {
+        return false;
+    }
+
+    @NotNull
+    public static Visibility getVisibility(@NotNull JavaModifierListOwnerImpl owner) {
+        PsiModifierListOwner psiOwner = owner.getPsi();
+        if (psiOwner.hasModifierProperty(PsiModifier.PUBLIC)) {
+            return Visibilities.Public.INSTANCE;
+        }
+        if (psiOwner.hasModifierProperty(PsiModifier.PRIVATE)) {
+            return Visibilities.Private.INSTANCE;
+        }
+        if (psiOwner.hasModifierProperty(PsiModifier.PROTECTED)) {
+            return owner.isStatic() ? JavaVisibilities.ProtectedStaticVisibility.INSTANCE : JavaVisibilities.ProtectedAndPackage.INSTANCE;
+        }
+        return JavaVisibilities.PackageVisibility.INSTANCE;
+    }
+
+    @NotNull
+    public static Collection<JavaAnnotation> getAnnotations(@NotNull JavaAnnotationOwnerImpl owner) {
+        PsiAnnotationOwner annotationOwnerPsi = owner.getAnnotationOwnerPsi();
+        if (annotationOwnerPsi != null) {
+            return annotations(annotationOwnerPsi.getAnnotations());
+        }
+        return Collections.emptyList();
+    }
+
+    @Nullable
+    private static PsiAnnotation[] getExternalAnnotations(@NotNull JavaModifierListOwnerImpl modifierListOwner) {
+        PsiModifierListOwner psiModifierListOwner = modifierListOwner.getPsi();
+        ExternalAnnotationsManager externalAnnotationManager = ExternalAnnotationsManager
+                .getInstance(psiModifierListOwner.getProject());
+        return externalAnnotationManager.findExternalAnnotations(psiModifierListOwner);
+    }
+
+    @NotNull
+    static <T extends JavaAnnotationOwnerImpl & JavaModifierListOwnerImpl>
+    Collection<JavaAnnotation> getRegularAndExternalAnnotations(@NotNull T owner) {
+        PsiAnnotation[] externalAnnotations = getExternalAnnotations(owner);
+        if (externalAnnotations == null) {
+            return getAnnotations(owner);
+        }
+        Collection<JavaAnnotation> annotations = new ArrayList<>(getAnnotations(owner));
+        annotations.addAll(nullabilityAnnotations(externalAnnotations));
+        return annotations;
+    }
+
+
+    @Nullable
+    public static JavaAnnotation findAnnotation(@NotNull JavaAnnotationOwnerImpl owner, @NotNull FqName fqName) {
+        PsiAnnotationOwner annotationOwnerPsi = owner.getAnnotationOwnerPsi();
+        if (annotationOwnerPsi != null) {
+            PsiAnnotation psiAnnotation = annotationOwnerPsi.findAnnotation(fqName.asString());
+            return psiAnnotation == null ? null : new JavaAnnotationImpl(psiAnnotation);
+        }
+        return null;
+    }
+}
diff --git a/compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/classFiles/BinaryJavaClass.kt.201 b/compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/classFiles/BinaryJavaClass.kt.201
index b2901f3c74e3302a20b77382a5cb89e3adb83617..2c38ac263ee34b5350e0060c7610a84e8c36fe05 100644
--- a/compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/classFiles/BinaryJavaClass.kt.201
+++ b/compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/classFiles/BinaryJavaClass.kt.201
@@ -69,6 +69,8 @@ class BinaryJavaClass(
     override val isRecord get() = false
 
     override val lightClassOriginKind: LightClassOriginKind? get() = null
+    override val isSealed: Boolean get() = permittedTypes.isNotEmpty()
+    override val permittedTypes = arrayListOf<JavaClassifierType>()
 
     override fun isFromSourceCodeInScope(scope: SearchScope): Boolean = false