diff --git a/compiler/testData/ir/irText/declarations/multiplatform/expectedEnumClass.txt b/compiler/testData/ir/irText/declarations/multiplatform/expectedEnumClass.txt
index 7b7bd34869b..ea2684a369b 100644
--- a/compiler/testData/ir/irText/declarations/multiplatform/expectedEnumClass.txt
+++ b/compiler/testData/ir/irText/declarations/multiplatform/expectedEnumClass.txt
@@ -1,29 +1,49 @@
 FILE fqName:<root> fileName:/expectedEnumClass.kt
   CLASS ENUM_CLASS name:MyEnum modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:MyEnum flags:
+    superClasses:
+      CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Enum modality:ABSTRACT visibility:public flags:
     ENUM_ENTRY name:FOO
     ENUM_ENTRY name:BAR
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Any flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Unit flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:(java.lang.Class<(MyEnum..MyEnum?)>..java.lang.Class<(MyEnum..MyEnum?)>?) flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>, other:MyEnum) returnType:Int flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
       VALUE_PARAMETER name:other index:0 type:MyEnum flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>, other:kotlin.Any?) returnType:Boolean flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Int flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:String flags:
+        overridden:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Int flags:
+        overridden:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<MyEnum>) returnType:String flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<MyEnum> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
@@ -32,6 +52,8 @@ FILE fqName:<root> fileName:/expectedEnumClass.kt
       SYNTHETIC_BODY kind=ENUM_VALUEOF
   CLASS ENUM_CLASS name:MyEnum modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:MyEnum flags:
+    superClasses:
+      CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Enum modality:ABSTRACT visibility:public flags:
     CONSTRUCTOR visibility:private <> () returnType:MyEnum flags:
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
@@ -44,26 +66,44 @@ FILE fqName:<root> fileName:/expectedEnumClass.kt
     ENUM_ENTRY name:BAZ
       init: ENUM_CONSTRUCTOR_CALL 'constructor MyEnum()'
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Any flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Unit flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:(java.lang.Class<(MyEnum..MyEnum?)>..java.lang.Class<(MyEnum..MyEnum?)>?) flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>, other:MyEnum) returnType:Int flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
       VALUE_PARAMETER name:other index:0 type:MyEnum flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>, other:kotlin.Any?) returnType:Boolean flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Int flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:String flags:
+        overridden:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Int flags:
+        overridden:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<MyEnum>) returnType:String flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<MyEnum> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
diff --git a/compiler/testData/ir/irText/declarations/multiplatform/expectedSealedClass.txt b/compiler/testData/ir/irText/declarations/multiplatform/expectedSealedClass.txt
index fcbe225bc1c..393caeaff7e 100644
--- a/compiler/testData/ir/irText/declarations/multiplatform/expectedSealedClass.txt
+++ b/compiler/testData/ir/irText/declarations/multiplatform/expectedSealedClass.txt
@@ -1,47 +1,79 @@
 FILE fqName:<root> fileName:/expectedSealedClass.kt
   CLASS CLASS name:Ops modality:SEALED visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Ops flags:
+    superClasses:
+      CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
     CONSTRUCTOR visibility:private <> () returnType:Ops flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Add modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Add flags:
+    superClasses:
+      CLASS CLASS name:Ops modality:SEALED visibility:public flags:
     CONSTRUCTOR visibility:public <> () returnType:Add flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+      overridden:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+      overridden:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+      overridden:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Ops modality:SEALED visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Ops flags:
+    superClasses:
+      CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
     CONSTRUCTOR visibility:private <> () returnType:Ops flags:
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='Ops'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Add modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Add flags:
+    superClasses:
+      CLASS CLASS name:Ops modality:SEALED visibility:public flags:
     CONSTRUCTOR visibility:public <> () returnType:Add flags:
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Ops()'
         INSTANCE_INITIALIZER_CALL classDescriptor='Add'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+      overridden:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+      overridden:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+      overridden:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
diff --git a/compiler/testData/ir/irText/expressions/kt23030.txt b/compiler/testData/ir/irText/expressions/kt23030.txt
index e78832e50a1..2049e03f38b 100644
--- a/compiler/testData/ir/irText/expressions/kt23030.txt
+++ b/compiler/testData/ir/irText/expressions/kt23030.txt
@@ -25,8 +25,10 @@ FILE fqName:<root> fileName:/kt23030.kt
             if: WHEN type=kotlin.Boolean origin=ANDAND
               BRANCH
                 if: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=kotlin.Int
+                  typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Int modality:FINAL visibility:public flags:
                   GET_VAR 'value-parameter x: Any' type=kotlin.Any origin=null
                 then: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=kotlin.Char
+                  typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Char modality:FINAL visibility:public flags:
                   GET_VAR 'value-parameter y: Any' type=kotlin.Any origin=null
               BRANCH
                 if: CONST Boolean type=kotlin.Boolean value=true
@@ -34,8 +36,10 @@ FILE fqName:<root> fileName:/kt23030.kt
             then: CALL 'less(Int, Int): Boolean' type=kotlin.Boolean origin=LT
               arg0: CALL 'compareTo(Char) on Int: Int' type=kotlin.Int origin=LT
                 $receiver: TYPE_OP type=kotlin.Int origin=IMPLICIT_CAST typeOperand=kotlin.Int
+                  typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Int modality:FINAL visibility:public flags:
                   GET_VAR 'value-parameter x: Any' type=kotlin.Any origin=null
                 c: TYPE_OP type=kotlin.Char origin=IMPLICIT_CAST typeOperand=kotlin.Char
+                  typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Char modality:FINAL visibility:public flags:
                   GET_VAR 'value-parameter y: Any' type=kotlin.Any origin=null
               arg1: CONST Int type=kotlin.Int value=0
           BRANCH
@@ -51,8 +55,10 @@ FILE fqName:<root> fileName:/kt23030.kt
             if: WHEN type=kotlin.Boolean origin=ANDAND
               BRANCH
                 if: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=kotlin.Int
+                  typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Int modality:FINAL visibility:public flags:
                   GET_VAR 'value-parameter x: Any' type=kotlin.Any origin=null
                 then: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=kotlin.Char
+                  typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Char modality:FINAL visibility:public flags:
                   GET_VAR 'value-parameter y: Any' type=kotlin.Any origin=null
               BRANCH
                 if: CONST Boolean type=kotlin.Boolean value=true
@@ -65,6 +71,8 @@ FILE fqName:<root> fileName:/kt23030.kt
             then: CONST Boolean type=kotlin.Boolean value=false
   CLASS CLASS name:C modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:C flags:
+    superClasses:
+      CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
     CONSTRUCTOR visibility:public <> () returnType:C flags:
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
@@ -99,8 +107,10 @@ FILE fqName:<root> fileName:/kt23030.kt
               if: WHEN type=kotlin.Boolean origin=ANDAND
                 BRANCH
                   if: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=kotlin.Int
+                    typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Int modality:FINAL visibility:public flags:
                     GET_VAR 'value-parameter x: Any' type=kotlin.Any origin=null
                   then: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=kotlin.Char
+                    typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Char modality:FINAL visibility:public flags:
                     GET_VAR 'value-parameter y: Any' type=kotlin.Any origin=null
                 BRANCH
                   if: CONST Boolean type=kotlin.Boolean value=true
@@ -109,17 +119,25 @@ FILE fqName:<root> fileName:/kt23030.kt
                 arg0: CALL 'compareTo(Char) on Int: Int' type=kotlin.Int origin=LT
                   $this: GET_VAR 'this@C: C' type=C origin=null
                   $receiver: TYPE_OP type=kotlin.Int origin=IMPLICIT_CAST typeOperand=kotlin.Int
+                    typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Int modality:FINAL visibility:public flags:
                     GET_VAR 'value-parameter x: Any' type=kotlin.Any origin=null
                   c: TYPE_OP type=kotlin.Char origin=IMPLICIT_CAST typeOperand=kotlin.Char
+                    typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Char modality:FINAL visibility:public flags:
                     GET_VAR 'value-parameter y: Any' type=kotlin.Any origin=null
                 arg1: CONST Int type=kotlin.Int value=0
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CONST Boolean type=kotlin.Boolean value=false
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags: