diff --git a/plugins/kotlin-serialization/kotlin-serialization-compiler/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/GeneratorHelpers.kt b/plugins/kotlin-serialization/kotlin-serialization-compiler/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/GeneratorHelpers.kt
index b1c728d1c2b..d5499459b90 100644
--- a/plugins/kotlin-serialization/kotlin-serialization-compiler/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/GeneratorHelpers.kt
+++ b/plugins/kotlin-serialization/kotlin-serialization-compiler/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/GeneratorHelpers.kt
@@ -1053,6 +1053,13 @@ interface IrBuilderExtension {
             typeArgs = listOf(typeArgs[0].makeNotNull()) + typeArgs
         }
 
+        // If KType is interface, .classSerializer always yields PolymorphicSerializer, which may be unavailable for interfaces from other modules
+        if (!kType.isInterface() && serializerClassOriginal == kType.toClassDescriptor?.classSerializer && enclosingGenerator !is SerializableCompanionIrGenerator) {
+            // This is default type serializer, we can shortcut through Companion.serializer()
+            // BUT not during generation of this method itself
+            callSerializerFromCompanion(thisIrType, typeArgs, args)?.let { return it }
+        }
+
 
         val serializable = getSerializableClassDescriptorBySerializer(serializerClass)
         val ctor = if (serializable?.declaredTypeParameters?.isNotEmpty() == true) {
@@ -1085,6 +1092,27 @@ interface IrBuilderExtension {
         return irInvoke(null, ctor, typeArguments = typeArgs, valueArguments = args, returnTypeHint = substitutedReturnType)
     }
 
+    fun IrBuilderWithScope.callSerializerFromCompanion(
+        thisIrType: IrType,
+        typeArgs: List<IrType>,
+        args: List<IrExpression>
+    ): IrExpression? {
+        val baseClass = thisIrType.getClass() ?: return null
+        val companionClass = baseClass.companionObject() ?: return null
+        val serializerProviderFunction = companionClass.declarations.singleOrNull {
+            it is IrFunction && it.name == SerialEntityNames.SERIALIZER_PROVIDER_NAME && it.valueParameters.size == baseClass.typeParameters.size
+        } ?: return null
+        with(serializerProviderFunction as IrFunction) {
+            // Note that [args] and [typeArgs] may be unused if we short-cut to e.g. SealedClassSerializer
+            return irInvoke(
+                irGetObject(companionClass),
+                symbol,
+                typeArgs.takeIf { it.size == typeParameters.size }.orEmpty(),
+                args.takeIf { it.size == valueParameters.size }.orEmpty()
+            )
+        }
+    }
+
     private fun IrConstructor.lastArgumentIsAnnotationArray(): Boolean {
         val lastArgType = valueParameters.lastOrNull()?.type
         return (lastArgType != null && (lastArgType as? IrSimpleType)?.arguments?.firstOrNull()?.typeOrNull?.classFqName?.toString() == "kotlin.Annotation")
diff --git a/plugins/kotlin-serialization/kotlin-serialization-compiler/test/org/jetbrains/kotlinx/serialization/SerializationIrBytecodeListingTestGenerated.java b/plugins/kotlin-serialization/kotlin-serialization-compiler/test/org/jetbrains/kotlinx/serialization/SerializationIrBytecodeListingTestGenerated.java
index 296fbecf204..984902f504d 100644
--- a/plugins/kotlin-serialization/kotlin-serialization-compiler/test/org/jetbrains/kotlinx/serialization/SerializationIrBytecodeListingTestGenerated.java
+++ b/plugins/kotlin-serialization/kotlin-serialization-compiler/test/org/jetbrains/kotlinx/serialization/SerializationIrBytecodeListingTestGenerated.java
@@ -33,4 +33,9 @@ public class SerializationIrBytecodeListingTestGenerated extends AbstractSeriali
     public void testBasic() throws Exception {
         runTest("plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Basic.kt");
     }
+
+    @TestMetadata("Sealed.kt")
+    public void testSealed() throws Exception {
+        runTest("plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Sealed.kt");
+    }
 }
diff --git a/plugins/kotlin-serialization/kotlin-serialization-compiler/test/org/jetbrains/kotlinx/serialization/SerializationPluginBytecodeListingTestGenerated.java b/plugins/kotlin-serialization/kotlin-serialization-compiler/test/org/jetbrains/kotlinx/serialization/SerializationPluginBytecodeListingTestGenerated.java
index 43aceead965..1defccadf12 100644
--- a/plugins/kotlin-serialization/kotlin-serialization-compiler/test/org/jetbrains/kotlinx/serialization/SerializationPluginBytecodeListingTestGenerated.java
+++ b/plugins/kotlin-serialization/kotlin-serialization-compiler/test/org/jetbrains/kotlinx/serialization/SerializationPluginBytecodeListingTestGenerated.java
@@ -33,4 +33,9 @@ public class SerializationPluginBytecodeListingTestGenerated extends AbstractSer
     public void testBasic() throws Exception {
         runTest("plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Basic.kt");
     }
+
+    @TestMetadata("Sealed.kt")
+    public void testSealed() throws Exception {
+        runTest("plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Sealed.kt");
+    }
 }
diff --git a/plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Sealed.ir.txt b/plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Sealed.ir.txt
new file mode 100644
index 00000000000..8357841871f
--- /dev/null
+++ b/plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Sealed.ir.txt
@@ -0,0 +1,799 @@
+public final class Container$$serializer : java/lang/Object, kotlinx/serialization/internal/GeneratedSerializer {
+    public final static Container$$serializer INSTANCE
+
+    public final static kotlinx.serialization.descriptors.SerialDescriptor descriptor
+
+    static void <clinit>() {
+          NEW
+          DUP
+          INVOKESPECIAL (Container$$serializer, <init>, ()V)
+          PUTSTATIC (INSTANCE, LContainer$$serializer;)
+        LABEL (L0)
+        LINENUMBER (12)
+          NEW
+          DUP
+          LDC (Container)
+          GETSTATIC (INSTANCE, LContainer$$serializer;)
+          CHECKCAST
+          ICONST_1
+          INVOKESPECIAL (kotlinx/serialization/internal/PluginGeneratedSerialDescriptor, <init>, (Ljava/lang/String;Lkotlinx/serialization/internal/GeneratedSerializer;I)V)
+          ASTORE (0)
+          ALOAD (0)
+          LDC (r)
+          ICONST_0
+          INVOKEVIRTUAL (kotlinx/serialization/internal/PluginGeneratedSerialDescriptor, addElement, (Ljava/lang/String;Z)V)
+          ALOAD (0)
+          CHECKCAST
+          PUTSTATIC (descriptor, Lkotlinx/serialization/descriptors/SerialDescriptor;)
+        LABEL (L1)
+        LINENUMBER (13)
+          RETURN
+    }
+
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (12)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public kotlinx.serialization.KSerializer[] childSerializers() {
+        LABEL (L0)
+        LINENUMBER (12)
+          ICONST_1
+          ANEWARRAY
+          ASTORE (1)
+          ALOAD (1)
+          ICONST_0
+          GETSTATIC (Companion, LResult$Companion;)
+          INVOKEVIRTUAL (Result$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
+          AASTORE
+          ALOAD (1)
+          ARETURN
+        LABEL (L1)
+    }
+
+    public Container deserialize(kotlinx.serialization.encoding.Decoder decoder) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (decoder)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L1)
+        LINENUMBER (12)
+          ALOAD (0)
+          INVOKEVIRTUAL (Container$$serializer, getDescriptor, ()Lkotlinx/serialization/descriptors/SerialDescriptor;)
+          ASTORE (2)
+          ICONST_1
+          ISTORE (3)
+          ICONST_0
+          ISTORE (4)
+          ICONST_0
+          ISTORE (5)
+          ACONST_NULL
+          ASTORE (6)
+          ALOAD (1)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/Decoder, beginStructure, (Lkotlinx/serialization/descriptors/SerialDescriptor;)Lkotlinx/serialization/encoding/CompositeDecoder;)
+          ASTORE (7)
+          ALOAD (7)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeSequentially, ()Z)
+          IFEQ (L2)
+          ALOAD (7)
+          ALOAD (2)
+          ICONST_0
+          GETSTATIC (Companion, LResult$Companion;)
+          INVOKEVIRTUAL (Result$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
+          CHECKCAST
+          ALOAD (6)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeSerializableElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;ILkotlinx/serialization/DeserializationStrategy;Ljava/lang/Object;)Ljava/lang/Object;)
+          ASTORE (6)
+          ILOAD (5)
+          ICONST_1
+          IOR
+          ISTORE (5)
+          GOTO (L3)
+        LABEL (L2)
+          ILOAD (3)
+          IFEQ (L3)
+          ALOAD (7)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeElementIndex, (Lkotlinx/serialization/descriptors/SerialDescriptor;)I)
+          ISTORE (4)
+          ILOAD (4)
+          TABLESWITCH
+        LABEL (L4)
+          ICONST_0
+          ISTORE (3)
+          GOTO (L2)
+        LABEL (L5)
+          ALOAD (7)
+          ALOAD (2)
+          ICONST_0
+          GETSTATIC (Companion, LResult$Companion;)
+          INVOKEVIRTUAL (Result$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
+          CHECKCAST
+          ALOAD (6)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeSerializableElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;ILkotlinx/serialization/DeserializationStrategy;Ljava/lang/Object;)Ljava/lang/Object;)
+          ASTORE (6)
+          ILOAD (5)
+          ICONST_1
+          IOR
+          ISTORE (5)
+          GOTO (L2)
+        LABEL (L6)
+          NEW
+          DUP
+          ILOAD (4)
+          INVOKESPECIAL (kotlinx/serialization/UnknownFieldException, <init>, (I)V)
+          ATHROW
+        LABEL (L3)
+          ALOAD (7)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, endStructure, (Lkotlinx/serialization/descriptors/SerialDescriptor;)V)
+          NEW
+          DUP
+          ILOAD (5)
+          ALOAD (6)
+          CHECKCAST
+          ACONST_NULL
+          INVOKESPECIAL (Container, <init>, (ILResult;Lkotlinx/serialization/internal/SerializationConstructorMarker;)V)
+          ARETURN
+        LABEL (L7)
+    }
+
+    public java.lang.Object deserialize(kotlinx.serialization.encoding.Decoder decoder) {
+        LABEL (L0)
+        LINENUMBER (12)
+          ALOAD (0)
+          ALOAD (1)
+          INVOKEVIRTUAL (Container$$serializer, deserialize, (Lkotlinx/serialization/encoding/Decoder;)LContainer;)
+          ARETURN
+        LABEL (L1)
+    }
+
+    public kotlinx.serialization.descriptors.SerialDescriptor getDescriptor()
+
+    public void serialize(kotlinx.serialization.encoding.Encoder encoder, Container value)
+
+    public void serialize(kotlinx.serialization.encoding.Encoder encoder, java.lang.Object value)
+
+    public kotlinx.serialization.KSerializer[] typeParametersSerializers()
+}
+
+public final class Container$Companion : java/lang/Object {
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (12)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public void <init>(kotlin.jvm.internal.DefaultConstructorMarker $constructor_marker) {
+        LABEL (L0)
+          ALOAD (0)
+          INVOKESPECIAL (Container$Companion, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final kotlinx.serialization.KSerializer serializer() {
+        LABEL (L0)
+        LINENUMBER (12)
+          GETSTATIC (INSTANCE, LContainer$$serializer;)
+          CHECKCAST
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+public final class Container : java/lang/Object {
+    public final static Container$Companion Companion
+
+    private final Result r
+
+    static void <clinit>() {
+          NEW
+          DUP
+          ACONST_NULL
+          INVOKESPECIAL (Container$Companion, <init>, (Lkotlin/jvm/internal/DefaultConstructorMarker;)V)
+          PUTSTATIC (Companion, LContainer$Companion;)
+          RETURN
+    }
+
+    public void <init>(Result r) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (r)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L1)
+        LINENUMBER (12)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+        LABEL (L2)
+        LINENUMBER (13)
+          ALOAD (0)
+          ALOAD (1)
+          PUTFIELD (r, LResult;)
+          RETURN
+        LABEL (L3)
+    }
+
+    public void <init>(int seen1, Result r, kotlinx.serialization.internal.SerializationConstructorMarker serializationConstructorMarker) {
+        LABEL (L0)
+        LINENUMBER (12)
+          ICONST_1
+          ICONST_1
+          ILOAD (1)
+          IAND
+          IF_ICMPEQ (L1)
+          ILOAD (1)
+          ICONST_1
+          GETSTATIC (INSTANCE, LContainer$$serializer;)
+          INVOKEVIRTUAL (Container$$serializer, getDescriptor, ()Lkotlinx/serialization/descriptors/SerialDescriptor;)
+          INVOKESTATIC (kotlinx/serialization/internal/PluginExceptionsKt, throwMissingFieldException, (IILkotlinx/serialization/descriptors/SerialDescriptor;)V)
+        LABEL (L1)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          ALOAD (0)
+          ALOAD (2)
+          PUTFIELD (r, LResult;)
+          RETURN
+        LABEL (L2)
+    }
+
+    public final Result getR()
+
+    public final static void write$Self(Container self, kotlinx.serialization.encoding.CompositeEncoder output, kotlinx.serialization.descriptors.SerialDescriptor serialDesc) {
+        LABEL (L0)
+          ALOAD (0)
+          LDC (self)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          LDC (output)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (2)
+          LDC (serialDesc)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L1)
+        LINENUMBER (12)
+          ALOAD (1)
+          ALOAD (2)
+          ICONST_0
+          GETSTATIC (Companion, LResult$Companion;)
+          INVOKEVIRTUAL (Result$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
+          CHECKCAST
+          ALOAD (0)
+          GETFIELD (r, LResult;)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeEncoder, encodeSerializableElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;ILkotlinx/serialization/SerializationStrategy;Ljava/lang/Object;)V)
+          RETURN
+        LABEL (L2)
+    }
+}
+
+final class Result$Companion$$cachedSerializer$delegate$2 : kotlin/jvm/internal/Lambda, kotlin/jvm/functions/Function0 {
+    public final static Result$Companion$$cachedSerializer$delegate$2 INSTANCE
+
+    static void <clinit>() {
+          NEW
+          DUP
+          INVOKESPECIAL (Result$Companion$$cachedSerializer$delegate$2, <init>, ()V)
+          PUTSTATIC (INSTANCE, LResult$Companion$$cachedSerializer$delegate$2;)
+          RETURN
+    }
+
+    void <init>() {
+        LABEL (L0)
+          ALOAD (0)
+          ICONST_0
+          INVOKESPECIAL (kotlin/jvm/internal/Lambda, <init>, (I)V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final kotlinx.serialization.KSerializer invoke() {
+        LABEL (L0)
+        LINENUMBER (6)
+          NEW
+          DUP
+          LDC (Result)
+          LDC (LResult;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          ICONST_2
+          ANEWARRAY
+          ASTORE (1)
+          ALOAD (1)
+          ICONST_0
+          LDC (LResult$OK;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          ALOAD (1)
+          ICONST_1
+          LDC (LResult$Err;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          ALOAD (1)
+          ICONST_2
+          ANEWARRAY
+          ASTORE (1)
+          ALOAD (1)
+          ICONST_0
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          CHECKCAST
+          AASTORE
+          ALOAD (1)
+          ICONST_1
+          NEW
+          DUP
+          LDC (Result.Err)
+          GETSTATIC (INSTANCE, LResult$Err;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ObjectSerializer, <init>, (Ljava/lang/String;Ljava/lang/Object;)V)
+          CHECKCAST
+          AASTORE
+          ALOAD (1)
+          INVOKESPECIAL (kotlinx/serialization/SealedClassSerializer, <init>, (Ljava/lang/String;Lkotlin/reflect/KClass;[Lkotlin/reflect/KClass;[Lkotlinx/serialization/KSerializer;)V)
+          CHECKCAST
+          ARETURN
+        LABEL (L1)
+    }
+
+    public java.lang.Object invoke() {
+        LABEL (L0)
+        LINENUMBER (6)
+          ALOAD (0)
+          INVOKEVIRTUAL (Result$Companion$$cachedSerializer$delegate$2, invoke, ()Lkotlinx/serialization/KSerializer;)
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+public final class Result$Companion : java/lang/Object {
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (6)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public void <init>(kotlin.jvm.internal.DefaultConstructorMarker $constructor_marker) {
+        LABEL (L0)
+          ALOAD (0)
+          INVOKESPECIAL (Result$Companion, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final kotlinx.serialization.KSerializer serializer() {
+        LABEL (L0)
+        LINENUMBER (6)
+          INVOKESTATIC (Result, access$get$cachedSerializer$delegate$cp, ()Lkotlin/Lazy;)
+          INVOKEINTERFACE (kotlin/Lazy, getValue, ()Ljava/lang/Object;)
+          CHECKCAST
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+final class Result$Err$$cachedSerializer$delegate$2 : kotlin/jvm/internal/Lambda, kotlin/jvm/functions/Function0 {
+    public final static Result$Err$$cachedSerializer$delegate$2 INSTANCE
+
+    static void <clinit>() {
+          NEW
+          DUP
+          INVOKESPECIAL (Result$Err$$cachedSerializer$delegate$2, <init>, ()V)
+          PUTSTATIC (INSTANCE, LResult$Err$$cachedSerializer$delegate$2;)
+          RETURN
+    }
+
+    void <init>() {
+        LABEL (L0)
+          ALOAD (0)
+          ICONST_0
+          INVOKESPECIAL (kotlin/jvm/internal/Lambda, <init>, (I)V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final kotlinx.serialization.KSerializer invoke() {
+        LABEL (L0)
+        LINENUMBER (9)
+          NEW
+          DUP
+          LDC (Result.Err)
+          GETSTATIC (INSTANCE, LResult$Err;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ObjectSerializer, <init>, (Ljava/lang/String;Ljava/lang/Object;)V)
+          CHECKCAST
+          ARETURN
+        LABEL (L1)
+    }
+
+    public java.lang.Object invoke() {
+        LABEL (L0)
+        LINENUMBER (9)
+          ALOAD (0)
+          INVOKEVIRTUAL (Result$Err$$cachedSerializer$delegate$2, invoke, ()Lkotlinx/serialization/KSerializer;)
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+public final class Result$Err : Result {
+    private final static kotlin.Lazy $cachedSerializer$delegate
+
+    public final static Result$Err INSTANCE
+
+    static void <clinit>() {
+          NEW
+          DUP
+          INVOKESPECIAL (Result$Err, <init>, ()V)
+          PUTSTATIC (INSTANCE, LResult$Err;)
+        LABEL (L0)
+        LINENUMBER (9)
+          GETSTATIC (PUBLICATION, Lkotlin/LazyThreadSafetyMode;)
+          GETSTATIC (INSTANCE, LResult$Err$$cachedSerializer$delegate$2;)
+          CHECKCAST
+          INVOKESTATIC (kotlin/LazyKt, lazy, (Lkotlin/LazyThreadSafetyMode;Lkotlin/jvm/functions/Function0;)Lkotlin/Lazy;)
+          PUTSTATIC ($cachedSerializer$delegate, Lkotlin/Lazy;)
+          RETURN
+    }
+
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (9)
+          ALOAD (0)
+          ACONST_NULL
+          INVOKESPECIAL (Result, <init>, (Lkotlin/jvm/internal/DefaultConstructorMarker;)V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final kotlinx.serialization.KSerializer serializer() {
+        LABEL (L0)
+        LINENUMBER (9)
+          GETSTATIC ($cachedSerializer$delegate, Lkotlin/Lazy;)
+          INVOKEINTERFACE (kotlin/Lazy, getValue, ()Ljava/lang/Object;)
+          CHECKCAST
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+public final class Result$OK$$serializer : java/lang/Object, kotlinx/serialization/internal/GeneratedSerializer {
+    public final static Result$OK$$serializer INSTANCE
+
+    public final static kotlinx.serialization.descriptors.SerialDescriptor descriptor
+
+    static void <clinit>() {
+          NEW
+          DUP
+          INVOKESPECIAL (Result$OK$$serializer, <init>, ()V)
+          PUTSTATIC (INSTANCE, LResult$OK$$serializer;)
+        LABEL (L0)
+        LINENUMBER (8)
+          NEW
+          DUP
+          LDC (Result.OK)
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          CHECKCAST
+          ICONST_1
+          INVOKESPECIAL (kotlinx/serialization/internal/PluginGeneratedSerialDescriptor, <init>, (Ljava/lang/String;Lkotlinx/serialization/internal/GeneratedSerializer;I)V)
+          ASTORE (0)
+          ALOAD (0)
+          LDC (s)
+          ICONST_0
+          INVOKEVIRTUAL (kotlinx/serialization/internal/PluginGeneratedSerialDescriptor, addElement, (Ljava/lang/String;Z)V)
+          ALOAD (0)
+          CHECKCAST
+          PUTSTATIC (descriptor, Lkotlinx/serialization/descriptors/SerialDescriptor;)
+          RETURN
+    }
+
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (8)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public kotlinx.serialization.KSerializer[] childSerializers() {
+        LABEL (L0)
+        LINENUMBER (8)
+          ICONST_1
+          ANEWARRAY
+          ASTORE (1)
+          ALOAD (1)
+          ICONST_0
+          GETSTATIC (INSTANCE, Lkotlinx/serialization/internal/StringSerializer;)
+          CHECKCAST
+          AASTORE
+          ALOAD (1)
+          ARETURN
+        LABEL (L1)
+    }
+
+    public Result$OK deserialize(kotlinx.serialization.encoding.Decoder decoder) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (decoder)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L1)
+        LINENUMBER (8)
+          ALOAD (0)
+          INVOKEVIRTUAL (Result$OK$$serializer, getDescriptor, ()Lkotlinx/serialization/descriptors/SerialDescriptor;)
+          ASTORE (2)
+          ICONST_1
+          ISTORE (3)
+          ICONST_0
+          ISTORE (4)
+          ICONST_0
+          ISTORE (5)
+          ACONST_NULL
+          ASTORE (6)
+          ALOAD (1)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/Decoder, beginStructure, (Lkotlinx/serialization/descriptors/SerialDescriptor;)Lkotlinx/serialization/encoding/CompositeDecoder;)
+          ASTORE (7)
+          ALOAD (7)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeSequentially, ()Z)
+          IFEQ (L2)
+          ALOAD (7)
+          ALOAD (2)
+          ICONST_0
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeStringElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;I)Ljava/lang/String;)
+          ASTORE (6)
+          ILOAD (5)
+          ICONST_1
+          IOR
+          ISTORE (5)
+          GOTO (L3)
+        LABEL (L2)
+          ILOAD (3)
+          IFEQ (L3)
+          ALOAD (7)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeElementIndex, (Lkotlinx/serialization/descriptors/SerialDescriptor;)I)
+          ISTORE (4)
+          ILOAD (4)
+          TABLESWITCH
+        LABEL (L4)
+          ICONST_0
+          ISTORE (3)
+          GOTO (L2)
+        LABEL (L5)
+          ALOAD (7)
+          ALOAD (2)
+          ICONST_0
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeStringElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;I)Ljava/lang/String;)
+          ASTORE (6)
+          ILOAD (5)
+          ICONST_1
+          IOR
+          ISTORE (5)
+          GOTO (L2)
+        LABEL (L6)
+          NEW
+          DUP
+          ILOAD (4)
+          INVOKESPECIAL (kotlinx/serialization/UnknownFieldException, <init>, (I)V)
+          ATHROW
+        LABEL (L3)
+          ALOAD (7)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, endStructure, (Lkotlinx/serialization/descriptors/SerialDescriptor;)V)
+          NEW
+          DUP
+          ILOAD (5)
+          ALOAD (6)
+          ACONST_NULL
+          INVOKESPECIAL (Result$OK, <init>, (ILjava/lang/String;Lkotlinx/serialization/internal/SerializationConstructorMarker;)V)
+          ARETURN
+        LABEL (L7)
+    }
+
+    public java.lang.Object deserialize(kotlinx.serialization.encoding.Decoder decoder) {
+        LABEL (L0)
+        LINENUMBER (8)
+          ALOAD (0)
+          ALOAD (1)
+          INVOKEVIRTUAL (Result$OK$$serializer, deserialize, (Lkotlinx/serialization/encoding/Decoder;)LResult$OK;)
+          ARETURN
+        LABEL (L1)
+    }
+
+    public kotlinx.serialization.descriptors.SerialDescriptor getDescriptor()
+
+    public void serialize(kotlinx.serialization.encoding.Encoder encoder, Result$OK value)
+
+    public void serialize(kotlinx.serialization.encoding.Encoder encoder, java.lang.Object value)
+
+    public kotlinx.serialization.KSerializer[] typeParametersSerializers()
+}
+
+public final class Result$OK$Companion : java/lang/Object {
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (8)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public void <init>(kotlin.jvm.internal.DefaultConstructorMarker $constructor_marker) {
+        LABEL (L0)
+          ALOAD (0)
+          INVOKESPECIAL (Result$OK$Companion, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final kotlinx.serialization.KSerializer serializer() {
+        LABEL (L0)
+        LINENUMBER (8)
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          CHECKCAST
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+public final class Result$OK : Result {
+    public final static Result$OK$Companion Companion
+
+    private final java.lang.String s
+
+    static void <clinit>() {
+          NEW
+          DUP
+          ACONST_NULL
+          INVOKESPECIAL (Result$OK$Companion, <init>, (Lkotlin/jvm/internal/DefaultConstructorMarker;)V)
+          PUTSTATIC (Companion, LResult$OK$Companion;)
+          RETURN
+    }
+
+    public void <init>(java.lang.String s) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (s)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L1)
+        LINENUMBER (8)
+          ALOAD (0)
+          ACONST_NULL
+          INVOKESPECIAL (Result, <init>, (Lkotlin/jvm/internal/DefaultConstructorMarker;)V)
+          ALOAD (0)
+          ALOAD (1)
+          PUTFIELD (s, Ljava/lang/String;)
+          RETURN
+        LABEL (L2)
+    }
+
+    public void <init>(int seen1, java.lang.String s, kotlinx.serialization.internal.SerializationConstructorMarker serializationConstructorMarker) {
+        LABEL (L0)
+        LINENUMBER (8)
+          ICONST_1
+          ICONST_1
+          ILOAD (1)
+          IAND
+          IF_ICMPEQ (L1)
+          ILOAD (1)
+          ICONST_1
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          INVOKEVIRTUAL (Result$OK$$serializer, getDescriptor, ()Lkotlinx/serialization/descriptors/SerialDescriptor;)
+          INVOKESTATIC (kotlinx/serialization/internal/PluginExceptionsKt, throwMissingFieldException, (IILkotlinx/serialization/descriptors/SerialDescriptor;)V)
+        LABEL (L1)
+          ALOAD (0)
+          ILOAD (1)
+          ALOAD (3)
+          INVOKESPECIAL (Result, <init>, (ILkotlinx/serialization/internal/SerializationConstructorMarker;)V)
+          ALOAD (0)
+          ALOAD (2)
+          PUTFIELD (s, Ljava/lang/String;)
+          RETURN
+        LABEL (L2)
+    }
+
+    public final java.lang.String getS()
+
+    public final static void write$Self(Result$OK self, kotlinx.serialization.encoding.CompositeEncoder output, kotlinx.serialization.descriptors.SerialDescriptor serialDesc) {
+        LABEL (L0)
+          ALOAD (0)
+          LDC (self)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          LDC (output)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (2)
+          LDC (serialDesc)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L1)
+        LINENUMBER (8)
+          ALOAD (0)
+          CHECKCAST
+          ALOAD (1)
+          ALOAD (2)
+          INVOKESTATIC (Result, write$Self, (LResult;Lkotlinx/serialization/encoding/CompositeEncoder;Lkotlinx/serialization/descriptors/SerialDescriptor;)V)
+          ALOAD (1)
+          ALOAD (2)
+          ICONST_0
+          ALOAD (0)
+          GETFIELD (s, Ljava/lang/String;)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeEncoder, encodeStringElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;ILjava/lang/String;)V)
+          RETURN
+        LABEL (L2)
+    }
+}
+
+public abstract class Result : java/lang/Object {
+    private final static kotlin.Lazy $cachedSerializer$delegate
+
+    public final static Result$Companion Companion
+
+    static void <clinit>() {
+          NEW
+          DUP
+          ACONST_NULL
+          INVOKESPECIAL (Result$Companion, <init>, (Lkotlin/jvm/internal/DefaultConstructorMarker;)V)
+          PUTSTATIC (Companion, LResult$Companion;)
+        LABEL (L0)
+        LINENUMBER (6)
+          GETSTATIC (PUBLICATION, Lkotlin/LazyThreadSafetyMode;)
+          GETSTATIC (INSTANCE, LResult$Companion$$cachedSerializer$delegate$2;)
+          CHECKCAST
+          INVOKESTATIC (kotlin/LazyKt, lazy, (Lkotlin/LazyThreadSafetyMode;Lkotlin/jvm/functions/Function0;)Lkotlin/Lazy;)
+          PUTSTATIC ($cachedSerializer$delegate, Lkotlin/Lazy;)
+          RETURN
+    }
+
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (6)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+        LABEL (L1)
+        LINENUMBER (7)
+          RETURN
+        LABEL (L2)
+    }
+
+    public void <init>(int seen1, kotlinx.serialization.internal.SerializationConstructorMarker serializationConstructorMarker) {
+        LABEL (L0)
+        LINENUMBER (6)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public void <init>(kotlin.jvm.internal.DefaultConstructorMarker $constructor_marker) {
+        LABEL (L0)
+          ALOAD (0)
+          INVOKESPECIAL (Result, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final static kotlin.Lazy access$get$cachedSerializer$delegate$cp()
+
+    public final static void write$Self(Result self, kotlinx.serialization.encoding.CompositeEncoder output, kotlinx.serialization.descriptors.SerialDescriptor serialDesc) {
+        LABEL (L0)
+          ALOAD (0)
+          LDC (self)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          LDC (output)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (2)
+          LDC (serialDesc)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          RETURN
+        LABEL (L1)
+    }
+}
diff --git a/plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Sealed.kt b/plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Sealed.kt
new file mode 100644
index 00000000000..cd6b5f96fad
--- /dev/null
+++ b/plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Sealed.kt
@@ -0,0 +1,14 @@
+// CURIOUS_ABOUT deserialize, write$Self, childSerializers, <init>, <clinit>, invoke, serializer
+// WITH_RUNTIME
+
+import kotlinx.serialization.*
+
+// do not forget to update this test with custom serialinfo annotation when serialization 1.3.0 is released
+@Serializable
+sealed class Result {
+    @Serializable class OK(val s: String): Result()
+    @Serializable object Err: Result()
+}
+
+@Serializable
+class Container(val r: Result)
\ No newline at end of file
diff --git a/plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Sealed.txt b/plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Sealed.txt
new file mode 100644
index 00000000000..10c919ade27
--- /dev/null
+++ b/plugins/kotlin-serialization/kotlin-serialization-compiler/testData/codegen/Sealed.txt
@@ -0,0 +1,868 @@
+public final class Container$$serializer : java/lang/Object, kotlinx/serialization/internal/GeneratedSerializer {
+    private final static kotlinx.serialization.descriptors.SerialDescriptor $$serialDesc
+
+    public final static Container$$serializer INSTANCE
+
+    static void <clinit>() {
+        LABEL (L0)
+        LINENUMBER (13)
+          NEW
+          DUP
+          INVOKESPECIAL (Container$$serializer, <init>, ()V)
+          ASTORE (0)
+          ALOAD (0)
+          PUTSTATIC (INSTANCE, LContainer$$serializer;)
+          NEW
+          DUP
+          LDC (Container)
+          GETSTATIC (INSTANCE, LContainer$$serializer;)
+          CHECKCAST
+          LDC (1)
+          INVOKESPECIAL (kotlinx/serialization/internal/PluginGeneratedSerialDescriptor, <init>, (Ljava/lang/String;Lkotlinx/serialization/internal/GeneratedSerializer;I)V)
+          ASTORE (0)
+          ALOAD (0)
+          LDC (r)
+          ICONST_0
+          INVOKEVIRTUAL (kotlinx/serialization/internal/PluginGeneratedSerialDescriptor, addElement, (Ljava/lang/String;Z)V)
+          ALOAD (0)
+          PUTSTATIC ($$serialDesc, Lkotlinx/serialization/descriptors/SerialDescriptor;)
+          RETURN
+    }
+
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (13)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public kotlinx.serialization.KSerializer[] childSerializers() {
+        LABEL (L0)
+          ICONST_1
+          ANEWARRAY
+          DUP
+          ICONST_0
+          NEW
+          DUP
+          LDC (Result)
+          LDC (LResult;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          ICONST_2
+          ANEWARRAY
+          DUP
+          ICONST_0
+          LDC (LResult$OK;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          DUP
+          ICONST_1
+          LDC (LResult$Err;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          ICONST_2
+          ANEWARRAY
+          DUP
+          ICONST_0
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          CHECKCAST
+          AASTORE
+          DUP
+          ICONST_1
+          NEW
+          DUP
+          LDC (Result.Err)
+          GETSTATIC (INSTANCE, LResult$Err;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ObjectSerializer, <init>, (Ljava/lang/String;Ljava/lang/Object;)V)
+          AASTORE
+          INVOKESPECIAL (kotlinx/serialization/SealedClassSerializer, <init>, (Ljava/lang/String;Lkotlin/reflect/KClass;[Lkotlin/reflect/KClass;[Lkotlinx/serialization/KSerializer;)V)
+          AASTORE
+          ARETURN
+        LABEL (L1)
+    }
+
+    public Container deserialize(kotlinx.serialization.encoding.Decoder decoder) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (decoder)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          GETSTATIC ($$serialDesc, Lkotlinx/serialization/descriptors/SerialDescriptor;)
+          ASTORE (2)
+          ICONST_0
+          ISTORE (4)
+          ACONST_NULL
+          ASTORE (5)
+          ALOAD (1)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/Decoder, beginStructure, (Lkotlinx/serialization/descriptors/SerialDescriptor;)Lkotlinx/serialization/encoding/CompositeDecoder;)
+          ASTORE (1)
+          ALOAD (1)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeSequentially, ()Z)
+          IFEQ (L1)
+          ALOAD (1)
+          ALOAD (2)
+          ICONST_0
+          NEW
+          DUP
+          LDC (Result)
+          LDC (LResult;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          ICONST_2
+          ANEWARRAY
+          DUP
+          ICONST_0
+          LDC (LResult$OK;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          DUP
+          ICONST_1
+          LDC (LResult$Err;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          ICONST_2
+          ANEWARRAY
+          DUP
+          ICONST_0
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          CHECKCAST
+          AASTORE
+          DUP
+          ICONST_1
+          NEW
+          DUP
+          LDC (Result.Err)
+          GETSTATIC (INSTANCE, LResult$Err;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ObjectSerializer, <init>, (Ljava/lang/String;Ljava/lang/Object;)V)
+          AASTORE
+          INVOKESPECIAL (kotlinx/serialization/SealedClassSerializer, <init>, (Ljava/lang/String;Lkotlin/reflect/KClass;[Lkotlin/reflect/KClass;[Lkotlinx/serialization/KSerializer;)V)
+          ALOAD (5)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeSerializableElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;ILkotlinx/serialization/DeserializationStrategy;Ljava/lang/Object;)Ljava/lang/Object;)
+          CHECKCAST
+          ASTORE (5)
+          LDC (2147483647)
+          ISTORE (4)
+          GOTO (L2)
+        LABEL (L1)
+          ALOAD (1)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeElementIndex, (Lkotlinx/serialization/descriptors/SerialDescriptor;)I)
+          ISTORE (3)
+          ILOAD (3)
+          TABLESWITCH
+        LABEL (L3)
+          ALOAD (1)
+          ALOAD (2)
+          ICONST_0
+          NEW
+          DUP
+          LDC (Result)
+          LDC (LResult;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          ICONST_2
+          ANEWARRAY
+          DUP
+          ICONST_0
+          LDC (LResult$OK;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          DUP
+          ICONST_1
+          LDC (LResult$Err;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          ICONST_2
+          ANEWARRAY
+          DUP
+          ICONST_0
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          CHECKCAST
+          AASTORE
+          DUP
+          ICONST_1
+          NEW
+          DUP
+          LDC (Result.Err)
+          GETSTATIC (INSTANCE, LResult$Err;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ObjectSerializer, <init>, (Ljava/lang/String;Ljava/lang/Object;)V)
+          AASTORE
+          INVOKESPECIAL (kotlinx/serialization/SealedClassSerializer, <init>, (Ljava/lang/String;Lkotlin/reflect/KClass;[Lkotlin/reflect/KClass;[Lkotlinx/serialization/KSerializer;)V)
+          ALOAD (5)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeSerializableElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;ILkotlinx/serialization/DeserializationStrategy;Ljava/lang/Object;)Ljava/lang/Object;)
+          CHECKCAST
+          ASTORE (5)
+          ILOAD (4)
+          ICONST_1
+          IOR
+          ISTORE (4)
+          GOTO (L1)
+        LABEL (L2)
+          ALOAD (1)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, endStructure, (Lkotlinx/serialization/descriptors/SerialDescriptor;)V)
+          NEW
+          DUP
+          ILOAD (4)
+          ALOAD (5)
+          ACONST_NULL
+          INVOKESPECIAL (Container, <init>, (ILResult;Lkotlinx/serialization/internal/SerializationConstructorMarker;)V)
+          ARETURN
+        LABEL (L4)
+          NEW
+          DUP
+          ILOAD (3)
+          INVOKESPECIAL (kotlinx/serialization/UnknownFieldException, <init>, (I)V)
+          CHECKCAST
+          ATHROW
+        LABEL (L5)
+    }
+
+    public java.lang.Object deserialize(kotlinx.serialization.encoding.Decoder p0) {
+        LABEL (L0)
+        LINENUMBER (13)
+          ALOAD (0)
+          ALOAD (1)
+          INVOKEVIRTUAL (Container$$serializer, deserialize, (Lkotlinx/serialization/encoding/Decoder;)LContainer;)
+          ARETURN
+    }
+
+    public kotlinx.serialization.descriptors.SerialDescriptor getDescriptor()
+
+    public void serialize(kotlinx.serialization.encoding.Encoder encoder, Container value)
+
+    public void serialize(kotlinx.serialization.encoding.Encoder p0, java.lang.Object p1)
+
+    public kotlinx.serialization.KSerializer[] typeParametersSerializers()
+}
+
+public final class Container$Companion : java/lang/Object {
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (13)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public void <init>(kotlin.jvm.internal.DefaultConstructorMarker $constructor_marker) {
+        LABEL (L0)
+        LINENUMBER (13)
+          ALOAD (0)
+          INVOKESPECIAL (Container$Companion, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final kotlinx.serialization.KSerializer serializer() {
+        LABEL (L0)
+          GETSTATIC (INSTANCE, LContainer$$serializer;)
+          CHECKCAST
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+public final class Container : java/lang/Object {
+    public final static Container$Companion Companion
+
+    private final Result r
+
+    static void <clinit>() {
+          NEW
+          DUP
+          ACONST_NULL
+          INVOKESPECIAL (Container$Companion, <init>, (Lkotlin/jvm/internal/DefaultConstructorMarker;)V)
+          PUTSTATIC (Companion, LContainer$Companion;)
+          RETURN
+    }
+
+    public void <init>(Result r) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (r)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L1)
+        LINENUMBER (13)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          ALOAD (0)
+          ALOAD (1)
+          PUTFIELD (r, LResult;)
+          RETURN
+        LABEL (L2)
+    }
+
+    public void <init>(int seen1, Result r, kotlinx.serialization.internal.SerializationConstructorMarker serializationConstructorMarker) {
+        LABEL (L0)
+          ICONST_1
+          DUP
+          ILOAD (1)
+          IAND
+          IF_ICMPEQ (L1)
+          ILOAD (1)
+          ICONST_1
+          GETSTATIC (INSTANCE, LContainer$$serializer;)
+          CHECKCAST
+          INVOKEINTERFACE (kotlinx/serialization/KSerializer, getDescriptor, ()Lkotlinx/serialization/descriptors/SerialDescriptor;)
+          INVOKESTATIC (kotlinx/serialization/internal/PluginExceptionsKt, throwMissingFieldException, (IILkotlinx/serialization/descriptors/SerialDescriptor;)V)
+        LABEL (L1)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          ALOAD (0)
+          ALOAD (2)
+          PUTFIELD (r, LResult;)
+          RETURN
+        LABEL (L2)
+    }
+
+    public final Result getR()
+
+    public final static void write$Self(Container self, kotlinx.serialization.encoding.CompositeEncoder output, kotlinx.serialization.descriptors.SerialDescriptor serialDesc) {
+        LABEL (L0)
+          ALOAD (0)
+          LDC (self)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          LDC (output)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (2)
+          LDC (serialDesc)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          ALOAD (2)
+          ICONST_0
+          NEW
+          DUP
+          LDC (Result)
+          LDC (LResult;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          ICONST_2
+          ANEWARRAY
+          DUP
+          ICONST_0
+          LDC (LResult$OK;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          DUP
+          ICONST_1
+          LDC (LResult$Err;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          ICONST_2
+          ANEWARRAY
+          DUP
+          ICONST_0
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          CHECKCAST
+          AASTORE
+          DUP
+          ICONST_1
+          NEW
+          DUP
+          LDC (Result.Err)
+          GETSTATIC (INSTANCE, LResult$Err;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ObjectSerializer, <init>, (Ljava/lang/String;Ljava/lang/Object;)V)
+          AASTORE
+          INVOKESPECIAL (kotlinx/serialization/SealedClassSerializer, <init>, (Ljava/lang/String;Lkotlin/reflect/KClass;[Lkotlin/reflect/KClass;[Lkotlinx/serialization/KSerializer;)V)
+          ALOAD (0)
+          GETFIELD (r, LResult;)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeEncoder, encodeSerializableElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;ILkotlinx/serialization/SerializationStrategy;Ljava/lang/Object;)V)
+          RETURN
+        LABEL (L1)
+    }
+}
+
+final class Result$Companion$serializer$1 : kotlin/jvm/internal/Lambda, kotlin/jvm/functions/Function0 {
+    public final static Result$Companion$serializer$1 INSTANCE
+
+    static void <clinit>() {
+          NEW
+          DUP
+          INVOKESPECIAL (Result$Companion$serializer$1, <init>, ()V)
+          PUTSTATIC (INSTANCE, LResult$Companion$serializer$1;)
+          RETURN
+    }
+
+    public void <init>() {
+        LABEL (L0)
+          ALOAD (0)
+          ICONST_0
+          INVOKESPECIAL (kotlin/jvm/internal/Lambda, <init>, (I)V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final kotlinx.serialization.KSerializer invoke() {
+        LABEL (L0)
+          NEW
+          DUP
+          LDC (Result)
+          LDC (LResult;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          ICONST_2
+          ANEWARRAY
+          DUP
+          ICONST_0
+          LDC (LResult$OK;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          DUP
+          ICONST_1
+          LDC (LResult$Err;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
+          AASTORE
+          ICONST_2
+          ANEWARRAY
+          DUP
+          ICONST_0
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          CHECKCAST
+          AASTORE
+          DUP
+          ICONST_1
+          NEW
+          DUP
+          LDC (Result.Err)
+          GETSTATIC (INSTANCE, LResult$Err;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ObjectSerializer, <init>, (Ljava/lang/String;Ljava/lang/Object;)V)
+          AASTORE
+          INVOKESPECIAL (kotlinx/serialization/SealedClassSerializer, <init>, (Ljava/lang/String;Lkotlin/reflect/KClass;[Lkotlin/reflect/KClass;[Lkotlinx/serialization/KSerializer;)V)
+          ARETURN
+        LABEL (L1)
+    }
+
+    public final java.lang.Object invoke() {
+        LABEL (L0)
+          ALOAD (0)
+          INVOKEVIRTUAL (Result$Companion$serializer$1, invoke, ()Lkotlinx/serialization/KSerializer;)
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+public final class Result$Companion : java/lang/Object {
+    private final static kotlin.Lazy $cachedSerializer$delegate
+
+    static void <clinit>() {
+          GETSTATIC (PUBLICATION, Lkotlin/LazyThreadSafetyMode;)
+          GETSTATIC (INSTANCE, LResult$Companion$serializer$1;)
+          CHECKCAST
+          INVOKESTATIC (kotlin/LazyKt, lazy, (Lkotlin/LazyThreadSafetyMode;Lkotlin/jvm/functions/Function0;)Lkotlin/Lazy;)
+          PUTSTATIC ($cachedSerializer$delegate, Lkotlin/Lazy;)
+          RETURN
+    }
+
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (7)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public void <init>(kotlin.jvm.internal.DefaultConstructorMarker $constructor_marker) {
+        LABEL (L0)
+        LINENUMBER (7)
+          ALOAD (0)
+          INVOKESPECIAL (Result$Companion, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final kotlinx.serialization.KSerializer serializer() {
+        LABEL (L0)
+          GETSTATIC ($cachedSerializer$delegate, Lkotlin/Lazy;)
+          INVOKEINTERFACE (kotlin/Lazy, getValue, ()Ljava/lang/Object;)
+          CHECKCAST
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+final class Result$Err$serializer$1 : kotlin/jvm/internal/Lambda, kotlin/jvm/functions/Function0 {
+    public final static Result$Err$serializer$1 INSTANCE
+
+    static void <clinit>() {
+          NEW
+          DUP
+          INVOKESPECIAL (Result$Err$serializer$1, <init>, ()V)
+          PUTSTATIC (INSTANCE, LResult$Err$serializer$1;)
+          RETURN
+    }
+
+    public void <init>() {
+        LABEL (L0)
+          ALOAD (0)
+          ICONST_0
+          INVOKESPECIAL (kotlin/jvm/internal/Lambda, <init>, (I)V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final kotlinx.serialization.KSerializer invoke() {
+        LABEL (L0)
+          NEW
+          DUP
+          LDC (Result.Err)
+          GETSTATIC (INSTANCE, LResult$Err;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ObjectSerializer, <init>, (Ljava/lang/String;Ljava/lang/Object;)V)
+          ARETURN
+        LABEL (L1)
+    }
+
+    public final java.lang.Object invoke() {
+        LABEL (L0)
+          ALOAD (0)
+          INVOKEVIRTUAL (Result$Err$serializer$1, invoke, ()Lkotlinx/serialization/KSerializer;)
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+public final class Result$Err : Result {
+    private final static kotlin.Lazy $cachedSerializer$delegate
+
+    public final static Result$Err INSTANCE
+
+    static void <clinit>() {
+        LABEL (L0)
+        LINENUMBER (9)
+          NEW
+          DUP
+          INVOKESPECIAL (Result$Err, <init>, ()V)
+          ASTORE (0)
+          ALOAD (0)
+          PUTSTATIC (INSTANCE, LResult$Err;)
+          GETSTATIC (PUBLICATION, Lkotlin/LazyThreadSafetyMode;)
+          GETSTATIC (INSTANCE, LResult$Err$serializer$1;)
+          CHECKCAST
+          INVOKESTATIC (kotlin/LazyKt, lazy, (Lkotlin/LazyThreadSafetyMode;Lkotlin/jvm/functions/Function0;)Lkotlin/Lazy;)
+          PUTSTATIC ($cachedSerializer$delegate, Lkotlin/Lazy;)
+          RETURN
+    }
+
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (9)
+          ALOAD (0)
+          ACONST_NULL
+        LABEL (L1)
+        LINENUMBER (9)
+          INVOKESPECIAL (Result, <init>, (Lkotlin/jvm/internal/DefaultConstructorMarker;)V)
+          RETURN
+        LABEL (L2)
+    }
+
+    public final kotlinx.serialization.KSerializer serializer() {
+        LABEL (L0)
+          GETSTATIC ($cachedSerializer$delegate, Lkotlin/Lazy;)
+          INVOKEINTERFACE (kotlin/Lazy, getValue, ()Ljava/lang/Object;)
+          CHECKCAST
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+public final class Result$OK$$serializer : java/lang/Object, kotlinx/serialization/internal/GeneratedSerializer {
+    private final static kotlinx.serialization.descriptors.SerialDescriptor $$serialDesc
+
+    public final static Result$OK$$serializer INSTANCE
+
+    static void <clinit>() {
+        LABEL (L0)
+        LINENUMBER (8)
+          NEW
+          DUP
+          INVOKESPECIAL (Result$OK$$serializer, <init>, ()V)
+          ASTORE (0)
+          ALOAD (0)
+          PUTSTATIC (INSTANCE, LResult$OK$$serializer;)
+          NEW
+          DUP
+          LDC (Result.OK)
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          CHECKCAST
+          LDC (1)
+          INVOKESPECIAL (kotlinx/serialization/internal/PluginGeneratedSerialDescriptor, <init>, (Ljava/lang/String;Lkotlinx/serialization/internal/GeneratedSerializer;I)V)
+          ASTORE (0)
+          ALOAD (0)
+          LDC (s)
+          ICONST_0
+          INVOKEVIRTUAL (kotlinx/serialization/internal/PluginGeneratedSerialDescriptor, addElement, (Ljava/lang/String;Z)V)
+          ALOAD (0)
+          PUTSTATIC ($$serialDesc, Lkotlinx/serialization/descriptors/SerialDescriptor;)
+          RETURN
+    }
+
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (8)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public kotlinx.serialization.KSerializer[] childSerializers() {
+        LABEL (L0)
+          ICONST_1
+          ANEWARRAY
+          DUP
+          ICONST_0
+          GETSTATIC (INSTANCE, Lkotlinx/serialization/internal/StringSerializer;)
+          CHECKCAST
+          AASTORE
+          ARETURN
+        LABEL (L1)
+    }
+
+    public Result$OK deserialize(kotlinx.serialization.encoding.Decoder decoder) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (decoder)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          GETSTATIC ($$serialDesc, Lkotlinx/serialization/descriptors/SerialDescriptor;)
+          ASTORE (2)
+          ICONST_0
+          ISTORE (4)
+          ACONST_NULL
+          ASTORE (5)
+          ALOAD (1)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/Decoder, beginStructure, (Lkotlinx/serialization/descriptors/SerialDescriptor;)Lkotlinx/serialization/encoding/CompositeDecoder;)
+          ASTORE (1)
+          ALOAD (1)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeSequentially, ()Z)
+          IFEQ (L1)
+          ALOAD (1)
+          ALOAD (2)
+          ICONST_0
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeStringElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;I)Ljava/lang/String;)
+          ASTORE (5)
+          LDC (2147483647)
+          ISTORE (4)
+          GOTO (L2)
+        LABEL (L1)
+          ALOAD (1)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeElementIndex, (Lkotlinx/serialization/descriptors/SerialDescriptor;)I)
+          ISTORE (3)
+          ILOAD (3)
+          TABLESWITCH
+        LABEL (L3)
+          ALOAD (1)
+          ALOAD (2)
+          ICONST_0
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, decodeStringElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;I)Ljava/lang/String;)
+          ASTORE (5)
+          ILOAD (4)
+          ICONST_1
+          IOR
+          ISTORE (4)
+          GOTO (L1)
+        LABEL (L2)
+          ALOAD (1)
+          ALOAD (2)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeDecoder, endStructure, (Lkotlinx/serialization/descriptors/SerialDescriptor;)V)
+          NEW
+          DUP
+          ILOAD (4)
+          ALOAD (5)
+          ACONST_NULL
+          INVOKESPECIAL (Result$OK, <init>, (ILjava/lang/String;Lkotlinx/serialization/internal/SerializationConstructorMarker;)V)
+          ARETURN
+        LABEL (L4)
+          NEW
+          DUP
+          ILOAD (3)
+          INVOKESPECIAL (kotlinx/serialization/UnknownFieldException, <init>, (I)V)
+          CHECKCAST
+          ATHROW
+        LABEL (L5)
+    }
+
+    public java.lang.Object deserialize(kotlinx.serialization.encoding.Decoder p0) {
+        LABEL (L0)
+        LINENUMBER (8)
+          ALOAD (0)
+          ALOAD (1)
+          INVOKEVIRTUAL (Result$OK$$serializer, deserialize, (Lkotlinx/serialization/encoding/Decoder;)LResult$OK;)
+          ARETURN
+    }
+
+    public kotlinx.serialization.descriptors.SerialDescriptor getDescriptor()
+
+    public void serialize(kotlinx.serialization.encoding.Encoder encoder, Result$OK value)
+
+    public void serialize(kotlinx.serialization.encoding.Encoder p0, java.lang.Object p1)
+
+    public kotlinx.serialization.KSerializer[] typeParametersSerializers()
+}
+
+public final class Result$OK$Companion : java/lang/Object {
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (8)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public void <init>(kotlin.jvm.internal.DefaultConstructorMarker $constructor_marker) {
+        LABEL (L0)
+        LINENUMBER (8)
+          ALOAD (0)
+          INVOKESPECIAL (Result$OK$Companion, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final kotlinx.serialization.KSerializer serializer() {
+        LABEL (L0)
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          CHECKCAST
+          ARETURN
+        LABEL (L1)
+    }
+}
+
+public final class Result$OK : Result {
+    public final static Result$OK$Companion Companion
+
+    private final java.lang.String s
+
+    static void <clinit>() {
+          NEW
+          DUP
+          ACONST_NULL
+          INVOKESPECIAL (Result$OK$Companion, <init>, (Lkotlin/jvm/internal/DefaultConstructorMarker;)V)
+          PUTSTATIC (Companion, LResult$OK$Companion;)
+          RETURN
+    }
+
+    public void <init>(java.lang.String s) {
+        LABEL (L0)
+          ALOAD (1)
+          LDC (s)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L1)
+        LINENUMBER (8)
+          ALOAD (0)
+          ACONST_NULL
+          INVOKESPECIAL (Result, <init>, (Lkotlin/jvm/internal/DefaultConstructorMarker;)V)
+          ALOAD (0)
+          ALOAD (1)
+          PUTFIELD (s, Ljava/lang/String;)
+          RETURN
+        LABEL (L2)
+    }
+
+    public void <init>(int seen1, java.lang.String s, kotlinx.serialization.internal.SerializationConstructorMarker serializationConstructorMarker) {
+        LABEL (L0)
+          ICONST_1
+          DUP
+          ILOAD (1)
+          IAND
+          IF_ICMPEQ (L1)
+          ILOAD (1)
+          ICONST_1
+          GETSTATIC (INSTANCE, LResult$OK$$serializer;)
+          CHECKCAST
+          INVOKEINTERFACE (kotlinx/serialization/KSerializer, getDescriptor, ()Lkotlinx/serialization/descriptors/SerialDescriptor;)
+          INVOKESTATIC (kotlinx/serialization/internal/PluginExceptionsKt, throwMissingFieldException, (IILkotlinx/serialization/descriptors/SerialDescriptor;)V)
+        LABEL (L1)
+          ALOAD (0)
+          ILOAD (1)
+          ACONST_NULL
+          INVOKESPECIAL (Result, <init>, (ILkotlinx/serialization/internal/SerializationConstructorMarker;)V)
+          ALOAD (0)
+          ALOAD (2)
+          PUTFIELD (s, Ljava/lang/String;)
+          RETURN
+        LABEL (L2)
+    }
+
+    public final java.lang.String getS()
+
+    public final static void write$Self(Result$OK self, kotlinx.serialization.encoding.CompositeEncoder output, kotlinx.serialization.descriptors.SerialDescriptor serialDesc) {
+        LABEL (L0)
+          ALOAD (0)
+          LDC (self)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          LDC (output)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (2)
+          LDC (serialDesc)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (0)
+          ALOAD (1)
+          ALOAD (2)
+          INVOKESTATIC (Result, write$Self, (LResult;Lkotlinx/serialization/encoding/CompositeEncoder;Lkotlinx/serialization/descriptors/SerialDescriptor;)V)
+          ALOAD (1)
+          ALOAD (2)
+          ICONST_0
+          ALOAD (0)
+          GETFIELD (s, Ljava/lang/String;)
+          INVOKEINTERFACE (kotlinx/serialization/encoding/CompositeEncoder, encodeStringElement, (Lkotlinx/serialization/descriptors/SerialDescriptor;ILjava/lang/String;)V)
+          RETURN
+        LABEL (L1)
+    }
+}
+
+public abstract class Result : java/lang/Object {
+    public final static Result$Companion Companion
+
+    static void <clinit>() {
+          NEW
+          DUP
+          ACONST_NULL
+          INVOKESPECIAL (Result$Companion, <init>, (Lkotlin/jvm/internal/DefaultConstructorMarker;)V)
+          PUTSTATIC (Companion, LResult$Companion;)
+          RETURN
+    }
+
+    private void <init>() {
+        LABEL (L0)
+        LINENUMBER (7)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public void <init>(kotlin.jvm.internal.DefaultConstructorMarker $constructor_marker) {
+        LABEL (L0)
+        LINENUMBER (7)
+          ALOAD (0)
+          INVOKESPECIAL (Result, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public void <init>(int seen1, kotlinx.serialization.internal.SerializationConstructorMarker serializationConstructorMarker) {
+        LABEL (L0)
+          ALOAD (0)
+          INVOKESPECIAL (java/lang/Object, <init>, ()V)
+          RETURN
+        LABEL (L1)
+    }
+
+    public final static void write$Self(Result self, kotlinx.serialization.encoding.CompositeEncoder output, kotlinx.serialization.descriptors.SerialDescriptor serialDesc) {
+        LABEL (L0)
+          ALOAD (0)
+          LDC (self)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (1)
+          LDC (output)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          ALOAD (2)
+          LDC (serialDesc)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNullParameter, (Ljava/lang/Object;Ljava/lang/String;)V)
+          RETURN
+        LABEL (L1)
+    }
+}