diff --git a/native/swift/sir-passes/src/org/jetbrains/sir/passes/translation/ForeignIntoSwiftFunctionTranslationPass.kt b/native/swift/sir-passes/src/org/jetbrains/sir/passes/translation/ForeignIntoSwiftFunctionTranslationPass.kt
index db05c0667a3..3a2cf7235aa 100644
--- a/native/swift/sir-passes/src/org/jetbrains/sir/passes/translation/ForeignIntoSwiftFunctionTranslationPass.kt
+++ b/native/swift/sir-passes/src/org/jetbrains/sir/passes/translation/ForeignIntoSwiftFunctionTranslationPass.kt
@@ -30,18 +30,18 @@ public class ForeignIntoSwiftFunctionTranslationPass : SirPass<SirElement, Nothi
             return element
         }
 
-        override fun transformForeignFunction(foreignFunction: SirForeignFunction): SirDeclaration {
-            val kotlinOrigin = (foreignFunction.origin as? SirOrigin.ForeignEntity)?.entity as? KotlinFunction
-                ?: return foreignFunction
+        override fun transformForeignFunction(function: SirForeignFunction): SirDeclaration {
+            val kotlinOrigin = (function.origin as? SirOrigin.ForeignEntity)?.entity as? KotlinFunction
+                ?: return function
             return buildFunction {
-                origin = foreignFunction.origin
-                visibility = foreignFunction.visibility
+                origin = function.origin
+                visibility = function.visibility
                 name = kotlinOrigin.fqName.last()
                 kotlinOrigin.parameters.mapTo(parameters) { it.toSir() }
 
                 returnType = kotlinOrigin.returnType.toSir()
             }.apply {
-                parent = foreignFunction.parent
+                parent = function.parent
             }
         }
     }
diff --git a/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirTransformer.kt b/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirTransformer.kt
index b8d15128eae..49b18c6c403 100644
--- a/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirTransformer.kt
+++ b/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirTransformer.kt
@@ -50,8 +50,8 @@ abstract class SirTransformer<in D> : SirVisitor<SirElement, D>() {
         return transformDeclaration(foreignDeclaration, data)
     }
 
-    final override fun visitForeignDeclaration(foreignDeclaration: SirForeignDeclaration, data: D): SirDeclaration {
-        return transformForeignDeclaration(foreignDeclaration, data)
+    final override fun visitForeignDeclaration(declaration: SirForeignDeclaration, data: D): SirDeclaration {
+        return transformForeignDeclaration(declaration, data)
     }
 
 
@@ -59,8 +59,8 @@ abstract class SirTransformer<in D> : SirVisitor<SirElement, D>() {
         return transformDeclaration(namedDeclaration, data)
     }
 
-    final override fun visitNamedDeclaration(namedDeclaration: SirNamedDeclaration, data: D): SirDeclaration {
-        return transformNamedDeclaration(namedDeclaration, data)
+    final override fun visitNamedDeclaration(declaration: SirNamedDeclaration, data: D): SirDeclaration {
+        return transformNamedDeclaration(declaration, data)
     }
 
     open fun transformEnum(enum: SirEnum, data: D): SirDeclaration {
@@ -99,7 +99,7 @@ abstract class SirTransformer<in D> : SirVisitor<SirElement, D>() {
         return transformCallable(foreignFunction, data)
     }
 
-    final override fun visitForeignFunction(foreignFunction: SirForeignFunction, data: D): SirDeclaration {
-        return transformForeignFunction(foreignFunction, data)
+    final override fun visitForeignFunction(function: SirForeignFunction, data: D): SirDeclaration {
+        return transformForeignFunction(function, data)
     }
 }
diff --git a/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirTransformerVoid.kt b/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirTransformerVoid.kt
index 766e6b2efa8..6afea21fe21 100644
--- a/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirTransformerVoid.kt
+++ b/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirTransformerVoid.kt
@@ -38,17 +38,17 @@ abstract class SirTransformerVoid : SirTransformer<Nothing?>() {
     final override fun transformDeclaration(declaration: SirDeclaration, data: Nothing?): SirDeclaration =
         transformDeclaration(declaration)
 
-    open fun transformForeignDeclaration(foreignDeclaration: SirForeignDeclaration): SirDeclaration =
-        transformDeclaration(foreignDeclaration)
+    open fun transformForeignDeclaration(declaration: SirForeignDeclaration): SirDeclaration =
+        transformDeclaration(declaration)
 
-    final override fun transformForeignDeclaration(foreignDeclaration: SirForeignDeclaration, data: Nothing?): SirDeclaration =
-        transformForeignDeclaration(foreignDeclaration)
+    final override fun transformForeignDeclaration(declaration: SirForeignDeclaration, data: Nothing?): SirDeclaration =
+        transformForeignDeclaration(declaration)
 
-    open fun transformNamedDeclaration(namedDeclaration: SirNamedDeclaration): SirDeclaration =
-        transformDeclaration(namedDeclaration)
+    open fun transformNamedDeclaration(declaration: SirNamedDeclaration): SirDeclaration =
+        transformDeclaration(declaration)
 
-    final override fun transformNamedDeclaration(namedDeclaration: SirNamedDeclaration, data: Nothing?): SirDeclaration =
-        transformNamedDeclaration(namedDeclaration)
+    final override fun transformNamedDeclaration(declaration: SirNamedDeclaration, data: Nothing?): SirDeclaration =
+        transformNamedDeclaration(declaration)
 
     open fun transformEnum(enum: SirEnum): SirDeclaration =
         transformNamedDeclaration(enum)
@@ -74,9 +74,9 @@ abstract class SirTransformerVoid : SirTransformer<Nothing?>() {
     final override fun transformFunction(function: SirFunction, data: Nothing?): SirDeclaration =
         transformFunction(function)
 
-    open fun transformForeignFunction(foreignFunction: SirForeignFunction): SirDeclaration =
-        transformCallable(foreignFunction)
+    open fun transformForeignFunction(function: SirForeignFunction): SirDeclaration =
+        transformCallable(function)
 
-    final override fun transformForeignFunction(foreignFunction: SirForeignFunction, data: Nothing?): SirDeclaration =
-        transformForeignFunction(foreignFunction)
+    final override fun transformForeignFunction(function: SirForeignFunction, data: Nothing?): SirDeclaration =
+        transformForeignFunction(function)
 }
diff --git a/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirVisitor.kt b/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirVisitor.kt
index 7c2cc544b53..41924d8d1fc 100644
--- a/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirVisitor.kt
+++ b/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirVisitor.kt
@@ -26,11 +26,11 @@ abstract class SirVisitor<out R, in D> {
     open fun visitDeclaration(declaration: SirDeclaration, data: D): R =
         visitElement(declaration, data)
 
-    open fun visitForeignDeclaration(foreignDeclaration: SirForeignDeclaration, data: D): R =
-        visitDeclaration(foreignDeclaration, data)
+    open fun visitForeignDeclaration(declaration: SirForeignDeclaration, data: D): R =
+        visitDeclaration(declaration, data)
 
-    open fun visitNamedDeclaration(namedDeclaration: SirNamedDeclaration, data: D): R =
-        visitDeclaration(namedDeclaration, data)
+    open fun visitNamedDeclaration(declaration: SirNamedDeclaration, data: D): R =
+        visitDeclaration(declaration, data)
 
     open fun visitEnum(enum: SirEnum, data: D): R =
         visitNamedDeclaration(enum, data)
@@ -44,6 +44,6 @@ abstract class SirVisitor<out R, in D> {
     open fun visitFunction(function: SirFunction, data: D): R =
         visitCallable(function, data)
 
-    open fun visitForeignFunction(foreignFunction: SirForeignFunction, data: D): R =
-        visitCallable(foreignFunction, data)
+    open fun visitForeignFunction(function: SirForeignFunction, data: D): R =
+        visitCallable(function, data)
 }
diff --git a/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirVisitorVoid.kt b/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirVisitorVoid.kt
index 7abbabd9603..0c79539e2de 100644
--- a/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirVisitorVoid.kt
+++ b/native/swift/sir/gen/org/jetbrains/kotlin/sir/visitors/SirVisitorVoid.kt
@@ -46,20 +46,20 @@ abstract class SirVisitorVoid : SirVisitor<Unit, Nothing?>() {
         visitElement(declaration)
     }
 
-    final override fun visitForeignDeclaration(foreignDeclaration: SirForeignDeclaration, data: Nothing?) {
-        visitForeignDeclaration(foreignDeclaration)
+    final override fun visitForeignDeclaration(declaration: SirForeignDeclaration, data: Nothing?) {
+        visitForeignDeclaration(declaration)
     }
 
-    open fun visitForeignDeclaration(foreignDeclaration: SirForeignDeclaration) {
-        visitDeclaration(foreignDeclaration)
+    open fun visitForeignDeclaration(declaration: SirForeignDeclaration) {
+        visitDeclaration(declaration)
     }
 
-    final override fun visitNamedDeclaration(namedDeclaration: SirNamedDeclaration, data: Nothing?) {
-        visitNamedDeclaration(namedDeclaration)
+    final override fun visitNamedDeclaration(declaration: SirNamedDeclaration, data: Nothing?) {
+        visitNamedDeclaration(declaration)
     }
 
-    open fun visitNamedDeclaration(namedDeclaration: SirNamedDeclaration) {
-        visitDeclaration(namedDeclaration)
+    open fun visitNamedDeclaration(declaration: SirNamedDeclaration) {
+        visitDeclaration(declaration)
     }
 
     final override fun visitEnum(enum: SirEnum, data: Nothing?) {
@@ -94,11 +94,11 @@ abstract class SirVisitorVoid : SirVisitor<Unit, Nothing?>() {
         visitCallable(function)
     }
 
-    final override fun visitForeignFunction(foreignFunction: SirForeignFunction, data: Nothing?) {
-        visitForeignFunction(foreignFunction)
+    final override fun visitForeignFunction(function: SirForeignFunction, data: Nothing?) {
+        visitForeignFunction(function)
     }
 
-    open fun visitForeignFunction(foreignFunction: SirForeignFunction) {
-        visitCallable(foreignFunction)
+    open fun visitForeignFunction(function: SirForeignFunction) {
+        visitCallable(function)
     }
 }
diff --git a/native/swift/sir/tree-generator/src/org/jetbrains/kotlin/sir/tree/generator/SwiftIrTree.kt b/native/swift/sir/tree-generator/src/org/jetbrains/kotlin/sir/tree/generator/SwiftIrTree.kt
index d20a591dcf4..01bd77159e1 100644
--- a/native/swift/sir/tree-generator/src/org/jetbrains/kotlin/sir/tree/generator/SwiftIrTree.kt
+++ b/native/swift/sir/tree-generator/src/org/jetbrains/kotlin/sir/tree/generator/SwiftIrTree.kt
@@ -43,6 +43,8 @@ object SwiftIrTree : AbstractSwiftIrTreeBuilder() {
 
     val foreignDeclaration by sealedElement {
         parent(declaration)
+
+        visitorParameterName = "declaration"
     }
 
     val named by sealedElement {
@@ -53,6 +55,8 @@ object SwiftIrTree : AbstractSwiftIrTreeBuilder() {
         customParentInVisitor = declaration
         parent(declaration)
         parent(named)
+
+        visitorParameterName = "declaration"
     }
 
     val enum: Element by element {
@@ -86,5 +90,7 @@ object SwiftIrTree : AbstractSwiftIrTreeBuilder() {
         customParentInVisitor = callable
         parent(callable)
         parent(foreignDeclaration)
+
+        visitorParameterName = "function"
     }
 }
\ No newline at end of file
diff --git a/native/swift/sir/tree-generator/src/org/jetbrains/kotlin/sir/tree/generator/model/Element.kt b/native/swift/sir/tree-generator/src/org/jetbrains/kotlin/sir/tree/generator/model/Element.kt
index 5501db8a398..2cd28b04d42 100644
--- a/native/swift/sir/tree-generator/src/org/jetbrains/kotlin/sir/tree/generator/model/Element.kt
+++ b/native/swift/sir/tree-generator/src/org/jetbrains/kotlin/sir/tree/generator/model/Element.kt
@@ -20,8 +20,7 @@ class Element(name: String, override val propertyName: String) : AbstractElement
 
     override val otherParents: MutableList<ClassRef<*>> = mutableListOf()
 
-    override val visitorParameterName: String
-        get() = safeDecapitalizedName
+    override var visitorParameterName: String = safeDecapitalizedName
 
     override val hasAcceptMethod: Boolean
         get() = true