diff --git a/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/JavaUtils.kt b/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/JavaUtils.kt
index 6147bcce080..5d7aa812184 100644
--- a/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/JavaUtils.kt
+++ b/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/JavaUtils.kt
@@ -16,6 +16,7 @@ import org.jetbrains.kotlin.fir.expressions.FirArrayOfCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.expressions.impl.*
 import org.jetbrains.kotlin.fir.java.declarations.FirJavaValueParameter
+import org.jetbrains.kotlin.fir.java.enhancement.readOnlyToMutable
 import org.jetbrains.kotlin.fir.java.types.FirJavaTypeRef
 import org.jetbrains.kotlin.fir.references.FirErrorNamedReference
 import org.jetbrains.kotlin.fir.references.FirResolvedCallableReferenceImpl
@@ -144,7 +145,8 @@ internal fun JavaClassifierType.toConeKotlinTypeWithNullability(
     return when (val classifier = classifier) {
         is JavaClass -> {
             //val classId = classifier.classId!!
-            val classId = JavaToKotlinClassMap.mapJavaToKotlin(classifier.fqName!!) ?: classifier.classId!!
+            var classId = JavaToKotlinClassMap.mapJavaToKotlin(classifier.fqName!!) ?: classifier.classId!!
+            classId = classId.readOnlyToMutable() ?: classId
 
             val lookupTag = ConeClassLikeLookupTagImpl(classId)
             lookupTag.constructClassType(
diff --git a/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/enhancement/javaTypeUtils.kt b/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/enhancement/javaTypeUtils.kt
index 93c3bd6c863..838eb4c0cbd 100644
--- a/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/enhancement/javaTypeUtils.kt
+++ b/compiler/fir/java/src/org/jetbrains/kotlin/fir/java/enhancement/javaTypeUtils.kt
@@ -114,7 +114,7 @@ private val KOTLIN_COLLECTIONS = FqName("kotlin.collections")
 
 private val KOTLIN_COLLECTIONS_PREFIX_LENGTH = KOTLIN_COLLECTIONS.asString().length + 1
 
-private fun ClassId.readOnlyToMutable(): ClassId? {
+internal fun ClassId.readOnlyToMutable(): ClassId? {
     val mutableFqName = JavaToKotlinClassMap.readOnlyToMutable(asSingleFqName().toUnsafe())
     return mutableFqName?.let {
         ClassId(KOTLIN_COLLECTIONS, FqName(it.asString().substring(KOTLIN_COLLECTIONS_PREFIX_LENGTH)), false)
diff --git a/compiler/fir/resolve/testData/enhancement/mapping/AbstractMap.fir.txt b/compiler/fir/resolve/testData/enhancement/mapping/AbstractMap.fir.txt
new file mode 100644
index 00000000000..a049f0507fc
--- /dev/null
+++ b/compiler/fir/resolve/testData/enhancement/mapping/AbstractMap.fir.txt
@@ -0,0 +1,2 @@
+public abstract class AbstractMap : R|kotlin/Any|, R|kotlin/collections/MutableMap<kotlin/String, kotlin/String>| {
+}
diff --git a/compiler/fir/resolve/testData/enhancement/mapping/AbstractMap.java b/compiler/fir/resolve/testData/enhancement/mapping/AbstractMap.java
new file mode 100644
index 00000000000..def17938b07
--- /dev/null
+++ b/compiler/fir/resolve/testData/enhancement/mapping/AbstractMap.java
@@ -0,0 +1,3 @@
+public abstract class AbstractMap implements java.util.Map<String, String> {
+
+}
\ No newline at end of file
diff --git a/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/java/OwnFirTypeEnhancementTestGenerated.java b/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/java/OwnFirTypeEnhancementTestGenerated.java
index f05be14a941..1d7fd28c927 100644
--- a/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/java/OwnFirTypeEnhancementTestGenerated.java
+++ b/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/java/OwnFirTypeEnhancementTestGenerated.java
@@ -115,6 +115,24 @@ public class OwnFirTypeEnhancementTestGenerated extends AbstractOwnFirTypeEnhanc
         }
     }
 
+    @TestMetadata("compiler/fir/resolve/testData/enhancement/mapping")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class Mapping extends AbstractOwnFirTypeEnhancementTest {
+        private void runTest(String testDataFilePath) throws Exception {
+            KotlinTestUtils.runTest(this::doTest, TargetBackend.ANY, testDataFilePath);
+        }
+
+        @TestMetadata("AbstractMap.java")
+        public void testAbstractMap() throws Exception {
+            runTest("compiler/fir/resolve/testData/enhancement/mapping/AbstractMap.java");
+        }
+
+        public void testAllFilesPresentInMapping() throws Exception {
+            KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/fir/resolve/testData/enhancement/mapping"), Pattern.compile("^(.+)\\.java$"), TargetBackend.ANY, true);
+        }
+    }
+
     @TestMetadata("compiler/fir/resolve/testData/enhancement/signatureAnnotations")
     @TestDataPath("$PROJECT_ROOT")
     @RunWith(JUnit3RunnerWithInners.class)
diff --git a/compiler/testData/loadJava/compiledJava/ClassWithTypePExtendsIterableP.fir.txt b/compiler/testData/loadJava/compiledJava/ClassWithTypePExtendsIterableP.fir.txt
index f89481ec031..6816e45886b 100644
--- a/compiler/testData/loadJava/compiledJava/ClassWithTypePExtendsIterableP.fir.txt
+++ b/compiler/testData/loadJava/compiledJava/ClassWithTypePExtendsIterableP.fir.txt
@@ -1,2 +1,2 @@
-public abstract class ClassWithTypePExtendsIterableP<P> : R|kotlin/Any|, R|kotlin/collections/Iterable<P>| {
+public abstract class ClassWithTypePExtendsIterableP<P> : R|kotlin/Any|, R|kotlin/collections/MutableIterable<P>| {
 }
diff --git a/compiler/testData/loadJava/compiledJava/ClassWithTypePRefNext.fir.txt b/compiler/testData/loadJava/compiledJava/ClassWithTypePRefNext.fir.txt
index 04f13bacdc8..ac8bd69effb 100644
--- a/compiler/testData/loadJava/compiledJava/ClassWithTypePRefNext.fir.txt
+++ b/compiler/testData/loadJava/compiledJava/ClassWithTypePRefNext.fir.txt
@@ -1,2 +1,2 @@
-public open class ClassWithTypePRefNext<R : R|kotlin/collections/Iterable<P>|, P> : R|kotlin/Any| {
+public open class ClassWithTypePRefNext<R : R|kotlin/collections/MutableIterable<P>|, P> : R|kotlin/Any| {
 }
diff --git a/compiler/testData/loadJava/compiledJava/kotlinSignature/MethodWithTypeParameters.fir.txt b/compiler/testData/loadJava/compiledJava/kotlinSignature/MethodWithTypeParameters.fir.txt
index febeb879eff..a3c14aed3b5 100644
--- a/compiler/testData/loadJava/compiledJava/kotlinSignature/MethodWithTypeParameters.fir.txt
+++ b/compiler/testData/loadJava/compiledJava/kotlinSignature/MethodWithTypeParameters.fir.txt
@@ -1,4 +1,4 @@
 public open class MethodWithTypeParameters : R|kotlin/Any| {
-    public open operator fun <A, B : R|java/lang/Runnable|, R|kotlin/collections/List<kotlin/Cloneable>|> foo(a: R|ft<A, A?>|!, b: R|ft<kotlin/collections/MutableList<out B>, kotlin/collections/List<out B>?>|!, list: R|ft<kotlin/collections/MutableList<in kotlin/String>, kotlin/collections/List<in kotlin/String>?>|!): R|kotlin/Unit|
+    public open operator fun <A, B : R|java/lang/Runnable|, R|kotlin/collections/MutableList<kotlin/Cloneable>|> foo(a: R|ft<A, A?>|!, b: R|ft<kotlin/collections/MutableList<out B>, kotlin/collections/List<out B>?>|!, list: R|ft<kotlin/collections/MutableList<in kotlin/String>, kotlin/collections/List<in kotlin/String>?>|!): R|kotlin/Unit|
 
 }
diff --git a/compiler/testData/loadJava/compiledJava/kotlinSignature/error/WrongTypeParameterBoundStructure1.fir.txt b/compiler/testData/loadJava/compiledJava/kotlinSignature/error/WrongTypeParameterBoundStructure1.fir.txt
index ac6464ce5bc..b4ab2dcdeee 100644
--- a/compiler/testData/loadJava/compiledJava/kotlinSignature/error/WrongTypeParameterBoundStructure1.fir.txt
+++ b/compiler/testData/loadJava/compiledJava/kotlinSignature/error/WrongTypeParameterBoundStructure1.fir.txt
@@ -1,4 +1,4 @@
 public open class WrongTypeParameterBoundStructure1 : R|kotlin/Any| {
-    public open operator fun <A, B : R|java/lang/Runnable|, R|kotlin/collections/List<kotlin/Cloneable>|> foo(a: R|ft<A, A?>|!, b: R|ft<kotlin/collections/MutableList<out B>, kotlin/collections/List<out B>?>|!): R|kotlin/Unit|
+    public open operator fun <A, B : R|java/lang/Runnable|, R|kotlin/collections/MutableList<kotlin/Cloneable>|> foo(a: R|ft<A, A?>|!, b: R|ft<kotlin/collections/MutableList<out B>, kotlin/collections/List<out B>?>|!): R|kotlin/Unit|
 
 }
diff --git a/compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/return/SubclassOfCollection.fir.txt b/compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/return/SubclassOfCollection.fir.txt
index bcfcf4f8368..f6602c058e3 100644
--- a/compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/return/SubclassOfCollection.fir.txt
+++ b/compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/return/SubclassOfCollection.fir.txt
@@ -1,4 +1,4 @@
-public abstract interface SubclassOfCollection<E> : R|kotlin/collections/Collection<E>| {
-    public abstract operator fun iterator(): R|kotlin/collections/Iterator<ft<E, E?>>|
+public abstract interface SubclassOfCollection<E> : R|kotlin/collections/MutableCollection<E>| {
+    public abstract operator fun iterator(): R|kotlin/collections/MutableIterator<ft<E, E?>>|
 
 }
diff --git a/compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/return/SubclassOfMapEntry.fir.txt b/compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/return/SubclassOfMapEntry.fir.txt
index 25ec1b86587..99af87fa9e7 100644
--- a/compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/return/SubclassOfMapEntry.fir.txt
+++ b/compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/return/SubclassOfMapEntry.fir.txt
@@ -1,4 +1,4 @@
-public abstract interface SubclassOfMapEntry<K, V> : R|kotlin/collections/Map.Entry<K, V>| {
-    public abstract operator fun setValue(value: R|ft<V, V?>|!): R|ft<V, V?>|!
+public abstract interface SubclassOfMapEntry<K, V> : R|kotlin/collections/MutableMap.MutableEntry<K, V>| {
+    public abstract operator fun setValue(value: R|V|): R|V|
 
 }
diff --git a/compiler/testData/loadJava/compiledJava/sam/GenericInterfaceParametersWithBounds.fir.txt b/compiler/testData/loadJava/compiledJava/sam/GenericInterfaceParametersWithBounds.fir.txt
index 30463ac53cd..0a557b2ebfe 100644
--- a/compiler/testData/loadJava/compiledJava/sam/GenericInterfaceParametersWithBounds.fir.txt
+++ b/compiler/testData/loadJava/compiledJava/sam/GenericInterfaceParametersWithBounds.fir.txt
@@ -1,4 +1,4 @@
-public abstract interface GenericInterfaceParametersWithBounds<A : R|kotlin/Comparable<A>|, R|kotlin/Cloneable|, B : R|kotlin/collections/List<A>|> : R|kotlin/Any| {
+public abstract interface GenericInterfaceParametersWithBounds<A : R|kotlin/Comparable<A>|, R|kotlin/Cloneable|, B : R|kotlin/collections/MutableList<A>|> : R|kotlin/Any| {
     public abstract operator fun method(a: R|kotlin/Array<ft<A, A?>>|, b: R|ft<B, B?>|!): R|kotlin/Unit|
 
 }
diff --git a/compiler/testData/loadJava/compiledJava/sam/GenericMethodParameters.fir.txt b/compiler/testData/loadJava/compiledJava/sam/GenericMethodParameters.fir.txt
index a12537b7965..51e16490dbb 100644
--- a/compiler/testData/loadJava/compiledJava/sam/GenericMethodParameters.fir.txt
+++ b/compiler/testData/loadJava/compiledJava/sam/GenericMethodParameters.fir.txt
@@ -1,4 +1,4 @@
 public abstract interface GenericMethodParameters : R|kotlin/Any| {
-    public abstract operator fun <A : R|kotlin/CharSequence|, B : R|kotlin/collections/List<A>|> method(a: R|kotlin/Array<ft<A, A?>>|, b: R|ft<B, B?>|!): R|kotlin/Unit|
+    public abstract operator fun <A : R|kotlin/CharSequence|, B : R|kotlin/collections/MutableList<A>|> method(a: R|kotlin/Array<ft<A, A?>>|, b: R|ft<B, B?>|!): R|kotlin/Unit|
 
 }
diff --git a/compiler/testData/loadJava/compiledJava/sam/adapters/TypeParameterOfMethod.fir.txt b/compiler/testData/loadJava/compiledJava/sam/adapters/TypeParameterOfMethod.fir.txt
index 37dfeb2a8e2..76f2d42d00a 100644
--- a/compiler/testData/loadJava/compiledJava/sam/adapters/TypeParameterOfMethod.fir.txt
+++ b/compiler/testData/loadJava/compiledJava/sam/adapters/TypeParameterOfMethod.fir.txt
@@ -3,6 +3,6 @@ public open class TypeParameterOfMethod : R|kotlin/Any| {
 
     public open static operator fun <T : R|kotlin/CharSequence|> max2(comparator: R|ft<java/util/Comparator<ft<T, T?>>, java/util/Comparator<ft<T, T?>>?>|!, value1: R|ft<T, T?>|!, value2: R|ft<T, T?>|!): R|ft<T, T?>|!
 
-    public open static operator fun <A : R|kotlin/CharSequence|, B : R|kotlin/collections/List<A>|> method(a: R|ft<java/util/Comparator<ft<A, A?>>, java/util/Comparator<ft<A, A?>>?>|!, b: R|ft<B, B?>|!): R|kotlin/Unit|
+    public open static operator fun <A : R|kotlin/CharSequence|, B : R|kotlin/collections/MutableList<A>|> method(a: R|ft<java/util/Comparator<ft<A, A?>>, java/util/Comparator<ft<A, A?>>?>|!, b: R|ft<B, B?>|!): R|kotlin/Unit|
 
 }