diff --git a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirClassConstructorNode.kt b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirClassConstructorNode.kt
index e879f769c22..ea6603b6658 100644
--- a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirClassConstructorNode.kt
+++ b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirClassConstructorNode.kt
@@ -13,7 +13,7 @@ class CirClassConstructorNode(
     override val targetDeclarations: CommonizedGroup<CirClassConstructor>,
     override val commonDeclaration: NullableLazyValue<CirClassConstructor>
 ) : CirNode<CirClassConstructor, CirClassConstructor> {
-    override fun <R, T> accept(visitor: CirNodeVisitor<R, T>, data: T): R =
+    override fun <T, R> accept(visitor: CirNodeVisitor<T, R>, data: T): R =
         visitor.visitClassConstructorNode(this, data)
 
     override fun toString() = CirNode.toString(this)
diff --git a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirClassNode.kt b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirClassNode.kt
index afc3e958f3c..5dcb5a586d9 100644
--- a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirClassNode.kt
+++ b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirClassNode.kt
@@ -23,7 +23,7 @@ class CirClassNode(
     val functions: MutableMap<FunctionApproximationKey, CirFunctionNode> = THashMap()
     val classes: MutableMap<Name, CirClassNode> = THashMap()
 
-    override fun <R, T> accept(visitor: CirNodeVisitor<R, T>, data: T): R =
+    override fun <T, R> accept(visitor: CirNodeVisitor<T, R>, data: T): R =
         visitor.visitClassNode(this, data)
 
     override fun toString() = CirNode.toString(this)
diff --git a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirFunctionNode.kt b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirFunctionNode.kt
index 4f2ed3f62bf..c78811a5c18 100644
--- a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirFunctionNode.kt
+++ b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirFunctionNode.kt
@@ -13,7 +13,7 @@ class CirFunctionNode(
     override val targetDeclarations: CommonizedGroup<CirFunction>,
     override val commonDeclaration: NullableLazyValue<CirFunction>
 ) : CirNode<CirFunction, CirFunction> {
-    override fun <R, T> accept(visitor: CirNodeVisitor<R, T>, data: T) =
+    override fun <T, R> accept(visitor: CirNodeVisitor<T, R>, data: T) =
         visitor.visitFunctionNode(this, data)
 
     override fun toString() = CirNode.toString(this)
diff --git a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirModuleNode.kt b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirModuleNode.kt
index d8ef2298434..53c889c18e2 100644
--- a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirModuleNode.kt
+++ b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirModuleNode.kt
@@ -17,7 +17,7 @@ class CirModuleNode(
 ) : CirNode<CirModule, CirModule> {
     val packages: MutableMap<FqName, CirPackageNode> = THashMap()
 
-    override fun <R, T> accept(visitor: CirNodeVisitor<R, T>, data: T) =
+    override fun <T, R> accept(visitor: CirNodeVisitor<T, R>, data: T) =
         visitor.visitModuleNode(this, data)
 
     override fun toString() = CirNode.toString(this)
diff --git a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirNode.kt b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirNode.kt
index 183bd53f733..f9074553a01 100644
--- a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirNode.kt
+++ b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirNode.kt
@@ -13,7 +13,7 @@ interface CirNode<T : CirDeclaration, R : CirDeclaration> {
     val targetDeclarations: CommonizedGroup<T>
     val commonDeclaration: NullableLazyValue<R>
 
-    fun <R, T> accept(visitor: CirNodeVisitor<R, T>, data: T): R
+    fun <T, R> accept(visitor: CirNodeVisitor<T, R>, data: T): R
 
     companion object {
         inline val CirNode<*, *>.indexOfCommon: Int
diff --git a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirNodeVisitor.kt b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirNodeVisitor.kt
index c2386fe660c..f899fdc0775 100644
--- a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirNodeVisitor.kt
+++ b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirNodeVisitor.kt
@@ -5,7 +5,7 @@
 
 package org.jetbrains.kotlin.descriptors.commonizer.mergedtree
 
-interface CirNodeVisitor<R, T> {
+interface CirNodeVisitor<T, R> {
     fun visitRootNode(node: CirRootNode, data: T): R
     fun visitModuleNode(node: CirModuleNode, data: T): R
     fun visitPackageNode(node: CirPackageNode, data: T): R
diff --git a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirPackageNode.kt b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirPackageNode.kt
index 06388719a9d..f30272ff899 100644
--- a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirPackageNode.kt
+++ b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirPackageNode.kt
@@ -24,7 +24,7 @@ class CirPackageNode(
     val classes: MutableMap<Name, CirClassNode> = THashMap()
     val typeAliases: MutableMap<Name, CirTypeAliasNode> = THashMap()
 
-    override fun <R, T> accept(visitor: CirNodeVisitor<R, T>, data: T) =
+    override fun <T, R> accept(visitor: CirNodeVisitor<T, R>, data: T) =
         visitor.visitPackageNode(this, data)
 
     override fun toString() = CirNode.toString(this)
diff --git a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirPropertyNode.kt b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirPropertyNode.kt
index 7add0c5760a..31d903c5291 100644
--- a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirPropertyNode.kt
+++ b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirPropertyNode.kt
@@ -13,7 +13,7 @@ class CirPropertyNode(
     override val targetDeclarations: CommonizedGroup<CirProperty>,
     override val commonDeclaration: NullableLazyValue<CirProperty>
 ) : CirNode<CirProperty, CirProperty> {
-    override fun <R, T> accept(visitor: CirNodeVisitor<R, T>, data: T) =
+    override fun <T, R> accept(visitor: CirNodeVisitor<T, R>, data: T) =
         visitor.visitPropertyNode(this, data)
 
     override fun toString() = CirNode.toString(this)
diff --git a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirRootNode.kt b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirRootNode.kt
index 84dd78035f6..046f0031fda 100644
--- a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirRootNode.kt
+++ b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirRootNode.kt
@@ -24,7 +24,7 @@ class CirRootNode(
     val modules: MutableMap<Name, CirModuleNode> = THashMap()
     val cache = CirClassifiersCacheImpl()
 
-    override fun <R, T> accept(visitor: CirNodeVisitor<R, T>, data: T): R =
+    override fun <T, R> accept(visitor: CirNodeVisitor<T, R>, data: T): R =
         visitor.visitRootNode(this, data)
 
     override fun toString() = CirNode.toString(this)
diff --git a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirTypeAliasNode.kt b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirTypeAliasNode.kt
index b781674ead3..723eebbb162 100644
--- a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirTypeAliasNode.kt
+++ b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/CirTypeAliasNode.kt
@@ -17,7 +17,7 @@ class CirTypeAliasNode(
     override val classId: ClassId
 ) : CirNodeWithClassId<CirTypeAlias, CirClassifier> {
 
-    override fun <R, T> accept(visitor: CirNodeVisitor<R, T>, data: T): R =
+    override fun <T, R> accept(visitor: CirNodeVisitor<T, R>, data: T): R =
         visitor.visitTypeAliasNode(this, data)
 
     override fun toString() = CirNode.toString(this)