diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitor.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitor.kt
index 5fbc2416c40..f9feeb5ce65 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitor.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitor.kt
@@ -18,6 +18,9 @@ import org.jetbrains.kotlin.fir.expressions.*
 import org.jetbrains.kotlin.fir.references.*
 import org.jetbrains.kotlin.fir.types.*
 
+/**
+ * Auto-generated by [org.jetbrains.kotlin.fir.tree.generator.printer.VisitorPrinter]
+ */
 abstract class FirDefaultVisitor<out R, in D> : FirVisitor<R, D>() {
 
     override fun visitTypeRef(typeRef: FirTypeRef, data: D): R =
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitorVoid.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitorVoid.kt
index ff0134a13c9..b9efa661faa 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitorVoid.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitorVoid.kt
@@ -18,6 +18,9 @@ import org.jetbrains.kotlin.fir.expressions.*
 import org.jetbrains.kotlin.fir.references.*
 import org.jetbrains.kotlin.fir.types.*
 
+/**
+ * Auto-generated by [org.jetbrains.kotlin.fir.tree.generator.printer.DefaultVisitorVoidPrinter]
+ */
 abstract class FirDefaultVisitorVoid : FirVisitorVoid() {
     override fun visitTypeRef(typeRef: FirTypeRef) = visitAnnotationContainer(typeRef)
 
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirTransformer.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirTransformer.kt
index a43d4743a05..5fd9ca069d3 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirTransformer.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirTransformer.kt
@@ -16,6 +16,9 @@ import org.jetbrains.kotlin.fir.expressions.*
 import org.jetbrains.kotlin.fir.references.*
 import org.jetbrains.kotlin.fir.types.*
 
+/**
+ * Auto-generated by [org.jetbrains.kotlin.fir.tree.generator.printer.TransformerPrinter]
+ */
 abstract class FirTransformer<in D> : FirVisitor<FirElement, D>() {
 
     abstract fun <E : FirElement> transformElement(element: E, data: D): E
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitor.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitor.kt
index b0ea062dbaf..3e2489c418f 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitor.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitor.kt
@@ -16,6 +16,9 @@ import org.jetbrains.kotlin.fir.expressions.*
 import org.jetbrains.kotlin.fir.references.*
 import org.jetbrains.kotlin.fir.types.*
 
+/**
+ * Auto-generated by [org.jetbrains.kotlin.fir.tree.generator.printer.VisitorPrinter]
+ */
 abstract class FirVisitor<out R, in D> {
 
     abstract fun visitElement(element: FirElement, data: D): R
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitorVoid.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitorVoid.kt
index 4d47fdec253..1b1c8676a00 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitorVoid.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitorVoid.kt
@@ -16,6 +16,9 @@ import org.jetbrains.kotlin.fir.expressions.*
 import org.jetbrains.kotlin.fir.references.*
 import org.jetbrains.kotlin.fir.types.*
 
+/**
+ * Auto-generated by [org.jetbrains.kotlin.fir.tree.generator.printer.VisitorVoidPrinter]
+ */
 abstract class FirVisitorVoid : FirVisitor<Unit, Nothing?>() {
 
     final override fun visitElement(element: FirElement, data: Nothing?) {
diff --git a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementTransformer.kt b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementTransformer.kt
index b8ee62653e2..cd009b13008 100644
--- a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementTransformer.kt
+++ b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementTransformer.kt
@@ -13,6 +13,9 @@ import org.jetbrains.kotlin.ir.IrStatement
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.*
 
+/**
+ * Auto-generated by [org.jetbrains.kotlin.ir.generator.print.TransformerPrinter]
+ */
 interface IrElementTransformer<in D> : IrElementVisitor<IrElement, D> {
 
     override fun visitElement(element: IrElement, data: D): IrElement {
diff --git a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementVisitor.kt b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementVisitor.kt
index 7b807d5cde3..0007bf87f99 100644
--- a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementVisitor.kt
+++ b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementVisitor.kt
@@ -12,6 +12,9 @@ import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.*
 
+/**
+ * Auto-generated by [org.jetbrains.kotlin.ir.generator.print.VisitorPrinter]
+ */
 interface IrElementVisitor<out R, in D> {
 
     fun visitElement(element: IrElement, data: D): R
diff --git a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementVisitorVoid.kt b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementVisitorVoid.kt
index 9f48615b8f0..95c9b2ba5e5 100644
--- a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementVisitorVoid.kt
+++ b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrElementVisitorVoid.kt
@@ -12,6 +12,9 @@ import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.*
 
+/**
+ * Auto-generated by [org.jetbrains.kotlin.ir.generator.print.VisitorVoidPrinter]
+ */
 interface IrElementVisitorVoid : IrElementVisitor<Unit, Nothing?> {
 
     override fun visitElement(element: IrElement, data: Nothing?) {
diff --git a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrTypeTransformer.kt b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrTypeTransformer.kt
index 69de3fdc344..ccf6e3fb5e0 100644
--- a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrTypeTransformer.kt
+++ b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/visitors/IrTypeTransformer.kt
@@ -14,6 +14,9 @@ import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.types.IrType
 
+/**
+ * Auto-generated by [org.jetbrains.kotlin.ir.generator.print.TypeTransformerPrinter]
+ */
 interface IrTypeTransformer<in D> : IrElementTransformer<D> {
     fun <Type : IrType?> transformType(container: IrElement, type: Type, data: D): Type
 
diff --git a/generators/tree-generator-common/src/org/jetbrains/kotlin/generators/tree/AbstractVisitorPrinter.kt b/generators/tree-generator-common/src/org/jetbrains/kotlin/generators/tree/AbstractVisitorPrinter.kt
index 8613d3e578a..ba7807ef579 100644
--- a/generators/tree-generator-common/src/org/jetbrains/kotlin/generators/tree/AbstractVisitorPrinter.kt
+++ b/generators/tree-generator-common/src/org/jetbrains/kotlin/generators/tree/AbstractVisitorPrinter.kt
@@ -6,10 +6,7 @@
 package org.jetbrains.kotlin.generators.tree
 
 import org.jetbrains.kotlin.descriptors.Modality
-import org.jetbrains.kotlin.generators.tree.printer.FunctionParameter
-import org.jetbrains.kotlin.generators.tree.printer.multipleUpperBoundsList
-import org.jetbrains.kotlin.generators.tree.printer.printFunctionDeclaration
-import org.jetbrains.kotlin.generators.tree.printer.typeParameters
+import org.jetbrains.kotlin.generators.tree.printer.*
 import org.jetbrains.kotlin.types.Variance
 import org.jetbrains.kotlin.utils.SmartPrinter
 import org.jetbrains.kotlin.utils.withIndent
@@ -138,6 +135,7 @@ abstract class AbstractVisitorPrinter<Element : AbstractElement<Element, Field>,
     fun printVisitor(elements: List<Element>) {
         val visitorType = this.visitorType
         printer.run {
+            printKDoc("Auto-generated by [${this@AbstractVisitorPrinter::class.qualifiedName}]")
             when (visitorType.kind) {
                 TypeKind.Interface -> print("interface ")
                 TypeKind.Class -> print("abstract class ")