FIR: get rid of transformSingle in the generated code

further reduce of the callstack depth

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/contracts/impl/FirLegacyRawContractDescriptionImpl.kt

@@ -24,7 +24,7 @@ internal class FirLegacyRawContractDescriptionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirLegacyRawContractDescriptionImpl {
-        contractCall = contractCall.transformSingle(transformer, data)
+        contractCall = contractCall.transform(transformer, data)
         return this
     }
 }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirAnonymousFunctionImpl.kt

@@ -69,11 +69,11 @@ internal class FirAnonymousFunctionImpl(
         transformAnnotations(transformer, data)
         transformReturnTypeRef(transformer, data)
         transformReceiverTypeRef(transformer, data)
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
         transformValueParameters(transformer, data)
         transformBody(transformer, data)
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
-        label = label?.transformSingle(transformer, data)
+        label = label?.transform(transformer, data)
         transformTypeParameters(transformer, data)
         return this
     }
@@ -84,12 +84,12 @@ internal class FirAnonymousFunctionImpl(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirAnonymousFunctionImpl {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 
     override fun <D> transformReceiverTypeRef(transformer: FirTransformer<D>, data: D): FirAnonymousFunctionImpl {
-        receiverTypeRef = receiverTypeRef?.transformSingle(transformer, data)
+        receiverTypeRef = receiverTypeRef?.transform(transformer, data)
         return this
     }
 
@@ -99,7 +99,7 @@ internal class FirAnonymousFunctionImpl(
     }
 
     override fun <D> transformBody(transformer: FirTransformer<D>, data: D): FirAnonymousFunctionImpl {
-        body = body?.transformSingle(transformer, data)
+        body = body?.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirAnonymousInitializerImpl.kt

@@ -42,8 +42,8 @@ internal class FirAnonymousInitializerImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirAnonymousInitializerImpl {
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
-        body = body?.transformSingle(transformer, data)
+        body = body?.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirAnonymousObjectImpl.kt

@@ -61,8 +61,8 @@ internal class FirAnonymousObjectImpl(
         transformSuperTypeRefs(transformer, data)
         transformDeclarations(transformer, data)
         transformAnnotations(transformer, data)
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirConstructorImpl.kt

@@ -70,7 +70,7 @@ internal class FirConstructorImpl(
         transformReturnTypeRef(transformer, data)
         transformReceiverTypeRef(transformer, data)
         transformTypeParameters(transformer, data)
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
         transformValueParameters(transformer, data)
         transformStatus(transformer, data)
         transformAnnotations(transformer, data)
@@ -80,12 +80,12 @@ internal class FirConstructorImpl(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirConstructorImpl {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 
     override fun <D> transformReceiverTypeRef(transformer: FirTransformer<D>, data: D): FirConstructorImpl {
-        receiverTypeRef = receiverTypeRef?.transformSingle(transformer, data)
+        receiverTypeRef = receiverTypeRef?.transform(transformer, data)
         return this
     }
 
@@ -100,7 +100,7 @@ internal class FirConstructorImpl(
     }
 
     override fun <D> transformStatus(transformer: FirTransformer<D>, data: D): FirConstructorImpl {
-        status = status.transformSingle(transformer, data)
+        status = status.transform(transformer, data)
         return this
     }
 
@@ -110,12 +110,12 @@ internal class FirConstructorImpl(
     }
 
     override fun <D> transformDelegatedConstructor(transformer: FirTransformer<D>, data: D): FirConstructorImpl {
-        delegatedConstructor = delegatedConstructor?.transformSingle(transformer, data)
+        delegatedConstructor = delegatedConstructor?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformBody(transformer: FirTransformer<D>, data: D): FirConstructorImpl {
-        body = body?.transformSingle(transformer, data)
+        body = body?.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirDefaultSetterValueParameter.kt

@@ -80,32 +80,32 @@ internal class FirDefaultSetterValueParameter(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirDefaultSetterValueParameter {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 
     override fun <D> transformReceiverTypeRef(transformer: FirTransformer<D>, data: D): FirDefaultSetterValueParameter {
-        receiverTypeRef = receiverTypeRef?.transformSingle(transformer, data)
+        receiverTypeRef = receiverTypeRef?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformInitializer(transformer: FirTransformer<D>, data: D): FirDefaultSetterValueParameter {
-        initializer = initializer?.transformSingle(transformer, data)
+        initializer = initializer?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformDelegate(transformer: FirTransformer<D>, data: D): FirDefaultSetterValueParameter {
-        delegate = delegate?.transformSingle(transformer, data)
+        delegate = delegate?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformGetter(transformer: FirTransformer<D>, data: D): FirDefaultSetterValueParameter {
-        getter = getter?.transformSingle(transformer, data)
+        getter = getter?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformSetter(transformer: FirTransformer<D>, data: D): FirDefaultSetterValueParameter {
-        setter = setter?.transformSingle(transformer, data)
+        setter = setter?.transform(transformer, data)
         return this
     }
 
@@ -116,8 +116,8 @@ internal class FirDefaultSetterValueParameter(
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirDefaultSetterValueParameter {
         transformAnnotations(transformer, data)
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
-        defaultValue = defaultValue?.transformSingle(transformer, data)
+        defaultValue = defaultValue?.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirEnumEntryImpl.kt

@@ -76,7 +76,7 @@ internal class FirEnumEntryImpl(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirEnumEntryImpl {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 
@@ -85,7 +85,7 @@ internal class FirEnumEntryImpl(
     }
 
     override fun <D> transformInitializer(transformer: FirTransformer<D>, data: D): FirEnumEntryImpl {
-        initializer = initializer?.transformSingle(transformer, data)
+        initializer = initializer?.transform(transformer, data)
         return this
     }
 
@@ -112,7 +112,7 @@ internal class FirEnumEntryImpl(
     }
 
     override fun <D> transformStatus(transformer: FirTransformer<D>, data: D): FirEnumEntryImpl {
-        status = status.transformSingle(transformer, data)
+        status = status.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirErrorFunctionImpl.kt

@@ -59,7 +59,7 @@ internal class FirErrorFunctionImpl(
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirErrorFunctionImpl {
         transformAnnotations(transformer, data)
         transformReturnTypeRef(transformer, data)
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
         transformValueParameters(transformer, data)
         transformTypeParameters(transformer, data)
         return this
@@ -71,7 +71,7 @@ internal class FirErrorFunctionImpl(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirErrorFunctionImpl {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirErrorPropertyImpl.kt

@@ -69,7 +69,7 @@ internal class FirErrorPropertyImpl(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirErrorPropertyImpl {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirFieldImpl.kt

@@ -77,7 +77,7 @@ class FirFieldImpl @FirImplementationDetail constructor(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirFieldImpl {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 
@@ -86,7 +86,7 @@ class FirFieldImpl @FirImplementationDetail constructor(
     }
 
     override fun <D> transformInitializer(transformer: FirTransformer<D>, data: D): FirFieldImpl {
-        initializer = initializer?.transformSingle(transformer, data)
+        initializer = initializer?.transform(transformer, data)
         return this
     }
 
@@ -113,7 +113,7 @@ class FirFieldImpl @FirImplementationDetail constructor(
     }
 
     override fun <D> transformStatus(transformer: FirTransformer<D>, data: D): FirFieldImpl {
-        status = status.transformSingle(transformer, data)
+        status = status.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirPrimaryConstructor.kt

@@ -70,7 +70,7 @@ internal class FirPrimaryConstructor(
         transformReturnTypeRef(transformer, data)
         transformReceiverTypeRef(transformer, data)
         transformTypeParameters(transformer, data)
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
         transformValueParameters(transformer, data)
         transformStatus(transformer, data)
         transformAnnotations(transformer, data)
@@ -80,12 +80,12 @@ internal class FirPrimaryConstructor(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirPrimaryConstructor {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 
     override fun <D> transformReceiverTypeRef(transformer: FirTransformer<D>, data: D): FirPrimaryConstructor {
-        receiverTypeRef = receiverTypeRef?.transformSingle(transformer, data)
+        receiverTypeRef = receiverTypeRef?.transform(transformer, data)
         return this
     }
 
@@ -100,7 +100,7 @@ internal class FirPrimaryConstructor(
     }
 
     override fun <D> transformStatus(transformer: FirTransformer<D>, data: D): FirPrimaryConstructor {
-        status = status.transformSingle(transformer, data)
+        status = status.transform(transformer, data)
         return this
     }
 
@@ -110,12 +110,12 @@ internal class FirPrimaryConstructor(
     }
 
     override fun <D> transformDelegatedConstructor(transformer: FirTransformer<D>, data: D): FirPrimaryConstructor {
-        delegatedConstructor = delegatedConstructor?.transformSingle(transformer, data)
+        delegatedConstructor = delegatedConstructor?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformBody(transformer: FirTransformer<D>, data: D): FirPrimaryConstructor {
-        body = body?.transformSingle(transformer, data)
+        body = body?.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirPropertyAccessorImpl.kt

@@ -70,7 +70,7 @@ open class FirPropertyAccessorImpl @FirImplementationDetail constructor(
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirPropertyAccessorImpl {
         transformReturnTypeRef(transformer, data)
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
         transformValueParameters(transformer, data)
         transformBody(transformer, data)
         transformStatus(transformer, data)
@@ -81,7 +81,7 @@ open class FirPropertyAccessorImpl @FirImplementationDetail constructor(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirPropertyAccessorImpl {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 
@@ -95,17 +95,17 @@ open class FirPropertyAccessorImpl @FirImplementationDetail constructor(
     }
 
     override fun <D> transformBody(transformer: FirTransformer<D>, data: D): FirPropertyAccessorImpl {
-        body = body?.transformSingle(transformer, data)
+        body = body?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformStatus(transformer: FirTransformer<D>, data: D): FirPropertyAccessorImpl {
-        status = status.transformSingle(transformer, data)
+        status = status.transform(transformer, data)
         return this
     }
 
     override fun <D> transformContractDescription(transformer: FirTransformer<D>, data: D): FirPropertyAccessorImpl {
-        contractDescription = contractDescription.transformSingle(transformer, data)
+        contractDescription = contractDescription.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirPropertyImpl.kt

@@ -91,32 +91,32 @@ internal class FirPropertyImpl(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirPropertyImpl {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 
     override fun <D> transformReceiverTypeRef(transformer: FirTransformer<D>, data: D): FirPropertyImpl {
-        receiverTypeRef = receiverTypeRef?.transformSingle(transformer, data)
+        receiverTypeRef = receiverTypeRef?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformInitializer(transformer: FirTransformer<D>, data: D): FirPropertyImpl {
-        initializer = initializer?.transformSingle(transformer, data)
+        initializer = initializer?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformDelegate(transformer: FirTransformer<D>, data: D): FirPropertyImpl {
-        delegate = delegate?.transformSingle(transformer, data)
+        delegate = delegate?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformGetter(transformer: FirTransformer<D>, data: D): FirPropertyImpl {
-        getter = getter?.transformSingle(transformer, data)
+        getter = getter?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformSetter(transformer: FirTransformer<D>, data: D): FirPropertyImpl {
-        setter = setter?.transformSingle(transformer, data)
+        setter = setter?.transform(transformer, data)
         return this
     }
 
@@ -131,13 +131,13 @@ internal class FirPropertyImpl(
     }
 
     override fun <D> transformStatus(transformer: FirTransformer<D>, data: D): FirPropertyImpl {
-        status = status.transformSingle(transformer, data)
+        status = status.transform(transformer, data)
         return this
     }
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirPropertyImpl {
         transformAnnotations(transformer, data)
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirRegularClassImpl.kt

@@ -65,7 +65,7 @@ internal class FirRegularClassImpl(
         transformAnnotations(transformer, data)
         transformTypeParameters(transformer, data)
         transformStatus(transformer, data)
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
         transformDeclarations(transformer, data)
         companionObject = declarations.asSequence().filterIsInstance<FirRegularClass>().firstOrNull { it.status.isCompanion }
         transformSuperTypeRefs(transformer, data)
@@ -83,7 +83,7 @@ internal class FirRegularClassImpl(
     }
 
     override fun <D> transformStatus(transformer: FirTransformer<D>, data: D): FirRegularClassImpl {
-        status = status.transformSingle(transformer, data)
+        status = status.transform(transformer, data)
         return this
     }
 
@@ -93,7 +93,7 @@ internal class FirRegularClassImpl(
     }
 
     override fun <D> transformCompanionObject(transformer: FirTransformer<D>, data: D): FirRegularClassImpl {
-        companionObject = companionObject?.transformSingle(transformer, data)
+        companionObject = companionObject?.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirSimpleFunctionImpl.kt

@@ -70,7 +70,7 @@ internal class FirSimpleFunctionImpl(
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirSimpleFunctionImpl {
         transformReturnTypeRef(transformer, data)
         transformReceiverTypeRef(transformer, data)
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
         transformValueParameters(transformer, data)
         transformBody(transformer, data)
         transformStatus(transformer, data)
@@ -81,12 +81,12 @@ internal class FirSimpleFunctionImpl(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirSimpleFunctionImpl {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 
     override fun <D> transformReceiverTypeRef(transformer: FirTransformer<D>, data: D): FirSimpleFunctionImpl {
-        receiverTypeRef = receiverTypeRef?.transformSingle(transformer, data)
+        receiverTypeRef = receiverTypeRef?.transform(transformer, data)
         return this
     }
 
@@ -96,17 +96,17 @@ internal class FirSimpleFunctionImpl(
     }
 
     override fun <D> transformBody(transformer: FirTransformer<D>, data: D): FirSimpleFunctionImpl {
-        body = body?.transformSingle(transformer, data)
+        body = body?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformStatus(transformer: FirTransformer<D>, data: D): FirSimpleFunctionImpl {
-        status = status.transformSingle(transformer, data)
+        status = status.transform(transformer, data)
         return this
     }
 
     override fun <D> transformContractDescription(transformer: FirTransformer<D>, data: D): FirSimpleFunctionImpl {
-        contractDescription = contractDescription.transformSingle(transformer, data)
+        contractDescription = contractDescription.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirTypeAliasImpl.kt

@@ -57,7 +57,7 @@ internal class FirTypeAliasImpl(
     }
 
     override fun <D> transformStatus(transformer: FirTransformer<D>, data: D): FirTypeAliasImpl {
-        status = status.transformSingle(transformer, data)
+        status = status.transform(transformer, data)
         return this
     }
 
@@ -67,7 +67,7 @@ internal class FirTypeAliasImpl(
     }
 
     override fun <D> transformExpandedTypeRef(transformer: FirTransformer<D>, data: D): FirTypeAliasImpl {
-        expandedTypeRef = expandedTypeRef.transformSingle(transformer, data)
+        expandedTypeRef = expandedTypeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirValueParameterImpl.kt

@@ -70,7 +70,7 @@ internal class FirValueParameterImpl(
     }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirValueParameterImpl {
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 
@@ -101,8 +101,8 @@ internal class FirValueParameterImpl(
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirValueParameterImpl {
         transformAnnotations(transformer, data)
-        controlFlowGraphReference = controlFlowGraphReference?.transformSingle(transformer, data)
+        controlFlowGraphReference = controlFlowGraphReference?.transform(transformer, data)
-        defaultValue = defaultValue?.transformSingle(transformer, data)
+        defaultValue = defaultValue?.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirAnnotationCallImpl.kt

@@ -39,7 +39,7 @@ internal class FirAnnotationCallImpl(
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirAnnotationCallImpl {
         transformAnnotations(transformer, data)
-        argumentList = argumentList.transformSingle(transformer, data)
+        argumentList = argumentList.transform(transformer, data)
         transformCalleeReference(transformer, data)
         transformAnnotationTypeRef(transformer, data)
         return this
@@ -51,12 +51,12 @@ internal class FirAnnotationCallImpl(
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirAnnotationCallImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 
     override fun <D> transformAnnotationTypeRef(transformer: FirTransformer<D>, data: D): FirAnnotationCallImpl {
-        annotationTypeRef = annotationTypeRef.transformSingle(transformer, data)
+        annotationTypeRef = annotationTypeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirArrayOfCallImpl.kt

@@ -30,9 +30,9 @@ internal class FirArrayOfCallImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirArrayOfCallImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
-        argumentList = argumentList.transformSingle(transformer, data)
+        argumentList = argumentList.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirAssignmentOperatorStatementImpl.kt

@@ -43,12 +43,12 @@ internal class FirAssignmentOperatorStatementImpl(
     }
 
     override fun <D> transformLeftArgument(transformer: FirTransformer<D>, data: D): FirAssignmentOperatorStatementImpl {
-        leftArgument = leftArgument.transformSingle(transformer, data)
+        leftArgument = leftArgument.transform(transformer, data)
         return this
     }
 
     override fun <D> transformRightArgument(transformer: FirTransformer<D>, data: D): FirAssignmentOperatorStatementImpl {
-        rightArgument = rightArgument.transformSingle(transformer, data)
+        rightArgument = rightArgument.transform(transformer, data)
         return this
     }
 }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirAugmentedArraySetCallImpl.kt

@@ -36,9 +36,9 @@ internal class FirAugmentedArraySetCallImpl(
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirAugmentedArraySetCallImpl {
         transformAnnotations(transformer, data)
-        assignCall = assignCall.transformSingle(transformer, data)
+        assignCall = assignCall.transform(transformer, data)
-        setGetBlock = setGetBlock.transformSingle(transformer, data)
+        setGetBlock = setGetBlock.transform(transformer, data)
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirBinaryLogicExpressionImpl.kt

@@ -48,17 +48,17 @@ internal class FirBinaryLogicExpressionImpl(
     }
 
     override fun <D> transformLeftOperand(transformer: FirTransformer<D>, data: D): FirBinaryLogicExpressionImpl {
-        leftOperand = leftOperand.transformSingle(transformer, data)
+        leftOperand = leftOperand.transform(transformer, data)
         return this
     }
 
     override fun <D> transformRightOperand(transformer: FirTransformer<D>, data: D): FirBinaryLogicExpressionImpl {
-        rightOperand = rightOperand.transformSingle(transformer, data)
+        rightOperand = rightOperand.transform(transformer, data)
         return this
     }
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirBinaryLogicExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirBlockImpl.kt

@@ -49,7 +49,7 @@ internal class FirBlockImpl(
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirBlockImpl {
         transformAnnotations(transformer, data)
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirBreakExpressionImpl.kt

@@ -34,7 +34,7 @@ internal class FirBreakExpressionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirBreakExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirCallableReferenceAccessImpl.kt

@@ -47,15 +47,15 @@ internal class FirCallableReferenceAccessImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirCallableReferenceAccessImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         transformTypeArguments(transformer, data)
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         if (dispatchReceiver !== explicitReceiver) {
-            dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+            dispatchReceiver = dispatchReceiver.transform(transformer, data)
         }
         if (extensionReceiver !== explicitReceiver && extensionReceiver !== dispatchReceiver) {
-            extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+            extensionReceiver = extensionReceiver.transform(transformer, data)
         }
         transformCalleeReference(transformer, data)
         return this
@@ -72,22 +72,22 @@ internal class FirCallableReferenceAccessImpl(
     }
 
     override fun <D> transformExplicitReceiver(transformer: FirTransformer<D>, data: D): FirCallableReferenceAccessImpl {
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformDispatchReceiver(transformer: FirTransformer<D>, data: D): FirCallableReferenceAccessImpl {
-        dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+        dispatchReceiver = dispatchReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformExtensionReceiver(transformer: FirTransformer<D>, data: D): FirCallableReferenceAccessImpl {
-        extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+        extensionReceiver = extensionReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirCallableReferenceAccessImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirCatchImpl.kt

@@ -34,12 +34,12 @@ internal class FirCatchImpl(
     }
 
     override fun <D> transformParameter(transformer: FirTransformer<D>, data: D): FirCatchImpl {
-        parameter = parameter.transformSingle(transformer, data)
+        parameter = parameter.transform(transformer, data)
         return this
     }
 
     override fun <D> transformBlock(transformer: FirTransformer<D>, data: D): FirCatchImpl {
-        block = block.transformSingle(transformer, data)
+        block = block.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirCheckNotNullCallImpl.kt

@@ -33,9 +33,9 @@ internal class FirCheckNotNullCallImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirCheckNotNullCallImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
-        argumentList = argumentList.transformSingle(transformer, data)
+        argumentList = argumentList.transform(transformer, data)
         transformCalleeReference(transformer, data)
         return this
     }
@@ -46,7 +46,7 @@ internal class FirCheckNotNullCallImpl(
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirCheckNotNullCallImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirCheckedSafeCallSubjectImpl.kt

@@ -30,7 +30,7 @@ internal class FirCheckedSafeCallSubjectImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirCheckedSafeCallSubjectImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirClassReferenceExpressionImpl.kt

@@ -31,9 +31,9 @@ internal class FirClassReferenceExpressionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirClassReferenceExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
-        classTypeRef = classTypeRef.transformSingle(transformer, data)
+        classTypeRef = classTypeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirComparisonExpressionImpl.kt

@@ -34,9 +34,9 @@ internal class FirComparisonExpressionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirComparisonExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
-        compareToCall = compareToCall.transformSingle(transformer, data)
+        compareToCall = compareToCall.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirComponentCallImpl.kt

@@ -55,17 +55,17 @@ internal class FirComponentCallImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirComponentCallImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         transformTypeArguments(transformer, data)
-        argumentList = argumentList.transformSingle(transformer, data)
+        argumentList = argumentList.transform(transformer, data)
         transformCalleeReference(transformer, data)
-        explicitReceiver = explicitReceiver.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver.transform(transformer, data)
         if (dispatchReceiver !== explicitReceiver) {
-            dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+            dispatchReceiver = dispatchReceiver.transform(transformer, data)
         }
         if (extensionReceiver !== explicitReceiver && extensionReceiver !== dispatchReceiver) {
-            extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+            extensionReceiver = extensionReceiver.transform(transformer, data)
         }
         return this
     }
@@ -81,22 +81,22 @@ internal class FirComponentCallImpl(
     }
 
     override fun <D> transformDispatchReceiver(transformer: FirTransformer<D>, data: D): FirComponentCallImpl {
-        dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+        dispatchReceiver = dispatchReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformExtensionReceiver(transformer: FirTransformer<D>, data: D): FirComponentCallImpl {
-        extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+        extensionReceiver = extensionReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirComponentCallImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 
     override fun <D> transformExplicitReceiver(transformer: FirTransformer<D>, data: D): FirComponentCallImpl {
-        explicitReceiver = explicitReceiver.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirConstExpressionImpl.kt

@@ -32,7 +32,7 @@ internal class FirConstExpressionImpl<T> (
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirConstExpressionImpl<T> {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirContinueExpressionImpl.kt

@@ -34,7 +34,7 @@ internal class FirContinueExpressionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirContinueExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirDelegatedConstructorCallImpl.kt

@@ -41,8 +41,8 @@ internal class FirDelegatedConstructorCallImpl(
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirDelegatedConstructorCallImpl {
         transformAnnotations(transformer, data)
-        argumentList = argumentList.transformSingle(transformer, data)
+        argumentList = argumentList.transform(transformer, data)
-        constructedTypeRef = constructedTypeRef.transformSingle(transformer, data)
+        constructedTypeRef = constructedTypeRef.transform(transformer, data)
         transformCalleeReference(transformer, data)
         return this
     }
@@ -53,12 +53,12 @@ internal class FirDelegatedConstructorCallImpl(
     }
 
     override fun <D> transformDispatchReceiver(transformer: FirTransformer<D>, data: D): FirDelegatedConstructorCallImpl {
-        dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+        dispatchReceiver = dispatchReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirDelegatedConstructorCallImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirDoWhileLoopImpl.kt

@@ -45,18 +45,18 @@ internal class FirDoWhileLoopImpl(
     }
 
     override fun <D> transformBlock(transformer: FirTransformer<D>, data: D): FirDoWhileLoopImpl {
-        block = block.transformSingle(transformer, data)
+        block = block.transform(transformer, data)
         return this
     }
 
     override fun <D> transformCondition(transformer: FirTransformer<D>, data: D): FirDoWhileLoopImpl {
-        condition = condition.transformSingle(transformer, data)
+        condition = condition.transform(transformer, data)
         return this
     }
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirDoWhileLoopImpl {
         transformAnnotations(transformer, data)
-        label = label?.transformSingle(transformer, data)
+        label = label?.transform(transformer, data)
         return this
     }
 }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirElseIfTrueCondition.kt

@@ -32,7 +32,7 @@ class FirElseIfTrueCondition @FirImplementationDetail constructor(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirElseIfTrueCondition {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirElvisExpressionImpl.kt

@@ -37,7 +37,7 @@ internal class FirElvisExpressionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirElvisExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         transformCalleeReference(transformer, data)
         transformLhs(transformer, data)
@@ -51,17 +51,17 @@ internal class FirElvisExpressionImpl(
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirElvisExpressionImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 
     override fun <D> transformLhs(transformer: FirTransformer<D>, data: D): FirElvisExpressionImpl {
-        lhs = lhs.transformSingle(transformer, data)
+        lhs = lhs.transform(transformer, data)
         return this
     }
 
     override fun <D> transformRhs(transformer: FirTransformer<D>, data: D): FirElvisExpressionImpl {
-        rhs = rhs.transformSingle(transformer, data)
+        rhs = rhs.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirEmptyExpressionBlock.kt

@@ -43,7 +43,7 @@ class FirEmptyExpressionBlock : FirBlock() {
     }
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirEmptyExpressionBlock {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirEqualityOperatorCallImpl.kt

@@ -34,9 +34,9 @@ internal class FirEqualityOperatorCallImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirEqualityOperatorCallImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
-        argumentList = argumentList.transformSingle(transformer, data)
+        argumentList = argumentList.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirErrorExpressionImpl.kt

@@ -31,7 +31,7 @@ internal class FirErrorExpressionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirErrorExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirErrorLoopImpl.kt

@@ -50,18 +50,18 @@ internal class FirErrorLoopImpl(
     }
 
     override fun <D> transformBlock(transformer: FirTransformer<D>, data: D): FirErrorLoopImpl {
-        block = block.transformSingle(transformer, data)
+        block = block.transform(transformer, data)
         return this
     }
 
     override fun <D> transformCondition(transformer: FirTransformer<D>, data: D): FirErrorLoopImpl {
-        condition = condition.transformSingle(transformer, data)
+        condition = condition.transform(transformer, data)
         return this
     }
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirErrorLoopImpl {
         transformAnnotations(transformer, data)
-        label = label?.transformSingle(transformer, data)
+        label = label?.transform(transformer, data)
         return this
     }
 }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirErrorResolvedQualifierImpl.kt

@@ -42,7 +42,7 @@ internal class FirErrorResolvedQualifierImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirErrorResolvedQualifierImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         transformTypeArguments(transformer, data)
         return this

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirExpressionStub.kt

@@ -28,7 +28,7 @@ class FirExpressionStub @FirImplementationDetail constructor(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirExpressionStub {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirFunctionCallImpl.kt

@@ -49,17 +49,17 @@ open class FirFunctionCallImpl @FirImplementationDetail constructor(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirFunctionCallImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         transformTypeArguments(transformer, data)
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         if (dispatchReceiver !== explicitReceiver) {
-            dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+            dispatchReceiver = dispatchReceiver.transform(transformer, data)
         }
         if (extensionReceiver !== explicitReceiver && extensionReceiver !== dispatchReceiver) {
-            extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+            extensionReceiver = extensionReceiver.transform(transformer, data)
         }
-        argumentList = argumentList.transformSingle(transformer, data)
+        argumentList = argumentList.transform(transformer, data)
         transformCalleeReference(transformer, data)
         return this
     }
@@ -75,22 +75,22 @@ open class FirFunctionCallImpl @FirImplementationDetail constructor(
     }
 
     override fun <D> transformExplicitReceiver(transformer: FirTransformer<D>, data: D): FirFunctionCallImpl {
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformDispatchReceiver(transformer: FirTransformer<D>, data: D): FirFunctionCallImpl {
-        dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+        dispatchReceiver = dispatchReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformExtensionReceiver(transformer: FirTransformer<D>, data: D): FirFunctionCallImpl {
-        extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+        extensionReceiver = extensionReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirFunctionCallImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirGetClassCallImpl.kt

@@ -34,9 +34,9 @@ internal class FirGetClassCallImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirGetClassCallImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
-        argumentList = argumentList.transformSingle(transformer, data)
+        argumentList = argumentList.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirImplicitInvokeCallImpl.kt

@@ -51,17 +51,17 @@ internal class FirImplicitInvokeCallImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirImplicitInvokeCallImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         transformTypeArguments(transformer, data)
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         if (dispatchReceiver !== explicitReceiver) {
-            dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+            dispatchReceiver = dispatchReceiver.transform(transformer, data)
         }
         if (extensionReceiver !== explicitReceiver && extensionReceiver !== dispatchReceiver) {
-            extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+            extensionReceiver = extensionReceiver.transform(transformer, data)
         }
-        argumentList = argumentList.transformSingle(transformer, data)
+        argumentList = argumentList.transform(transformer, data)
         transformCalleeReference(transformer, data)
         return this
     }
@@ -77,22 +77,22 @@ internal class FirImplicitInvokeCallImpl(
     }
 
     override fun <D> transformExplicitReceiver(transformer: FirTransformer<D>, data: D): FirImplicitInvokeCallImpl {
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformDispatchReceiver(transformer: FirTransformer<D>, data: D): FirImplicitInvokeCallImpl {
-        dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+        dispatchReceiver = dispatchReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformExtensionReceiver(transformer: FirTransformer<D>, data: D): FirImplicitInvokeCallImpl {
-        extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+        extensionReceiver = extensionReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirImplicitInvokeCallImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirLambdaArgumentExpressionImpl.kt

@@ -32,7 +32,7 @@ internal class FirLambdaArgumentExpressionImpl(
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirLambdaArgumentExpressionImpl {
         transformAnnotations(transformer, data)
-        expression = expression.transformSingle(transformer, data)
+        expression = expression.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirNamedArgumentExpressionImpl.kt

@@ -34,7 +34,7 @@ internal class FirNamedArgumentExpressionImpl(
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirNamedArgumentExpressionImpl {
         transformAnnotations(transformer, data)
-        expression = expression.transformSingle(transformer, data)
+        expression = expression.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirQualifiedAccessExpressionImpl.kt

@@ -45,16 +45,16 @@ internal class FirQualifiedAccessExpressionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirQualifiedAccessExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         transformCalleeReference(transformer, data)
         transformTypeArguments(transformer, data)
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         if (dispatchReceiver !== explicitReceiver) {
-            dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+            dispatchReceiver = dispatchReceiver.transform(transformer, data)
         }
         if (extensionReceiver !== explicitReceiver && extensionReceiver !== dispatchReceiver) {
-            extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+            extensionReceiver = extensionReceiver.transform(transformer, data)
         }
         return this
     }
@@ -65,7 +65,7 @@ internal class FirQualifiedAccessExpressionImpl(
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirQualifiedAccessExpressionImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 
@@ -75,17 +75,17 @@ internal class FirQualifiedAccessExpressionImpl(
     }
 
     override fun <D> transformExplicitReceiver(transformer: FirTransformer<D>, data: D): FirQualifiedAccessExpressionImpl {
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformDispatchReceiver(transformer: FirTransformer<D>, data: D): FirQualifiedAccessExpressionImpl {
-        dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+        dispatchReceiver = dispatchReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformExtensionReceiver(transformer: FirTransformer<D>, data: D): FirQualifiedAccessExpressionImpl {
-        extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+        extensionReceiver = extensionReceiver.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirResolvedQualifierImpl.kt

@@ -41,7 +41,7 @@ internal class FirResolvedQualifierImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirResolvedQualifierImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         transformTypeArguments(transformer, data)
         return this

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirResolvedReifiedParameterReferenceImpl.kt

@@ -29,7 +29,7 @@ internal class FirResolvedReifiedParameterReferenceImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirResolvedReifiedParameterReferenceImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirReturnExpressionImpl.kt

@@ -48,12 +48,12 @@ internal class FirReturnExpressionImpl(
     }
 
     override fun <D> transformResult(transformer: FirTransformer<D>, data: D): FirReturnExpressionImpl {
-        result = result.transformSingle(transformer, data)
+        result = result.transform(transformer, data)
         return this
     }
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirReturnExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirSafeCallExpressionImpl.kt

@@ -36,7 +36,7 @@ internal class FirSafeCallExpressionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirSafeCallExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         transformReceiver(transformer, data)
         transformRegularQualifiedAccess(transformer, data)
@@ -49,12 +49,12 @@ internal class FirSafeCallExpressionImpl(
     }
 
     override fun <D> transformReceiver(transformer: FirTransformer<D>, data: D): FirSafeCallExpressionImpl {
-        receiver = receiver.transformSingle(transformer, data)
+        receiver = receiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformRegularQualifiedAccess(transformer: FirTransformer<D>, data: D): FirSafeCallExpressionImpl {
-        regularQualifiedAccess = regularQualifiedAccess.transformSingle(transformer, data)
+        regularQualifiedAccess = regularQualifiedAccess.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirSpreadArgumentExpressionImpl.kt

@@ -32,7 +32,7 @@ internal class FirSpreadArgumentExpressionImpl(
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirSpreadArgumentExpressionImpl {
         transformAnnotations(transformer, data)
-        expression = expression.transformSingle(transformer, data)
+        expression = expression.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirStringConcatenationCallImpl.kt

@@ -35,8 +35,8 @@ internal class FirStringConcatenationCallImpl(
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirStringConcatenationCallImpl {
         transformAnnotations(transformer, data)
-        argumentList = argumentList.transformSingle(transformer, data)
+        argumentList = argumentList.transform(transformer, data)
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirThisReceiverExpressionImpl.kt

@@ -48,15 +48,15 @@ internal class FirThisReceiverExpressionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirThisReceiverExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         transformTypeArguments(transformer, data)
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         if (dispatchReceiver !== explicitReceiver) {
-            dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+            dispatchReceiver = dispatchReceiver.transform(transformer, data)
         }
         if (extensionReceiver !== explicitReceiver && extensionReceiver !== dispatchReceiver) {
-            extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+            extensionReceiver = extensionReceiver.transform(transformer, data)
         }
         transformCalleeReference(transformer, data)
         return this
@@ -73,22 +73,22 @@ internal class FirThisReceiverExpressionImpl(
     }
 
     override fun <D> transformExplicitReceiver(transformer: FirTransformer<D>, data: D): FirThisReceiverExpressionImpl {
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformDispatchReceiver(transformer: FirTransformer<D>, data: D): FirThisReceiverExpressionImpl {
-        dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+        dispatchReceiver = dispatchReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformExtensionReceiver(transformer: FirTransformer<D>, data: D): FirThisReceiverExpressionImpl {
-        extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+        extensionReceiver = extensionReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirThisReceiverExpressionImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirThrowExpressionImpl.kt

@@ -34,9 +34,9 @@ internal class FirThrowExpressionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirThrowExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
-        exception = exception.transformSingle(transformer, data)
+        exception = exception.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirTryExpressionImpl.kt

@@ -52,12 +52,12 @@ internal class FirTryExpressionImpl(
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirTryExpressionImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 
     override fun <D> transformTryBlock(transformer: FirTransformer<D>, data: D): FirTryExpressionImpl {
-        tryBlock = tryBlock.transformSingle(transformer, data)
+        tryBlock = tryBlock.transform(transformer, data)
         return this
     }
 
@@ -67,12 +67,12 @@ internal class FirTryExpressionImpl(
     }
 
     override fun <D> transformFinallyBlock(transformer: FirTransformer<D>, data: D): FirTryExpressionImpl {
-        finallyBlock = finallyBlock?.transformSingle(transformer, data)
+        finallyBlock = finallyBlock?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirTryExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirTypeOperatorCallImpl.kt

@@ -47,14 +47,14 @@ internal class FirTypeOperatorCallImpl(
     }
 
     override fun <D> transformConversionTypeRef(transformer: FirTransformer<D>, data: D): FirTypeOperatorCallImpl {
-        conversionTypeRef = conversionTypeRef.transformSingle(transformer, data)
+        conversionTypeRef = conversionTypeRef.transform(transformer, data)
         return this
     }
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirTypeOperatorCallImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
-        argumentList = argumentList.transformSingle(transformer, data)
+        argumentList = argumentList.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirUnitExpression.kt

@@ -32,7 +32,7 @@ class FirUnitExpression @FirImplementationDetail constructor(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirUnitExpression {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirVarargArgumentsExpressionImpl.kt

@@ -32,10 +32,10 @@ internal class FirVarargArgumentsExpressionImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirVarargArgumentsExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         arguments.transformInplace(transformer, data)
-        varargElementType = varargElementType.transformSingle(transformer, data)
+        varargElementType = varargElementType.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirVariableAssignmentImpl.kt

@@ -53,19 +53,19 @@ internal class FirVariableAssignmentImpl(
         transformCalleeReference(transformer, data)
         transformAnnotations(transformer, data)
         transformTypeArguments(transformer, data)
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         if (dispatchReceiver !== explicitReceiver) {
-            dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+            dispatchReceiver = dispatchReceiver.transform(transformer, data)
         }
         if (extensionReceiver !== explicitReceiver && extensionReceiver !== dispatchReceiver) {
-            extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+            extensionReceiver = extensionReceiver.transform(transformer, data)
         }
         transformRValue(transformer, data)
         return this
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirVariableAssignmentImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 
@@ -80,22 +80,22 @@ internal class FirVariableAssignmentImpl(
     }
 
     override fun <D> transformExplicitReceiver(transformer: FirTransformer<D>, data: D): FirVariableAssignmentImpl {
-        explicitReceiver = explicitReceiver?.transformSingle(transformer, data)
+        explicitReceiver = explicitReceiver?.transform(transformer, data)
         return this
     }
 
     override fun <D> transformDispatchReceiver(transformer: FirTransformer<D>, data: D): FirVariableAssignmentImpl {
-        dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+        dispatchReceiver = dispatchReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformExtensionReceiver(transformer: FirTransformer<D>, data: D): FirVariableAssignmentImpl {
-        extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+        extensionReceiver = extensionReceiver.transform(transformer, data)
         return this
     }
 
     override fun <D> transformRValue(transformer: FirTransformer<D>, data: D): FirVariableAssignmentImpl {
-        rValue = rValue.transformSingle(transformer, data)
+        rValue = rValue.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirWhenBranchImpl.kt

@@ -34,12 +34,12 @@ internal class FirWhenBranchImpl(
     }
 
     override fun <D> transformCondition(transformer: FirTransformer<D>, data: D): FirWhenBranchImpl {
-        condition = condition.transformSingle(transformer, data)
+        condition = condition.transform(transformer, data)
         return this
     }
 
     override fun <D> transformResult(transformer: FirTransformer<D>, data: D): FirWhenBranchImpl {
-        result = result.transformSingle(transformer, data)
+        result = result.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirWhenExpressionImpl.kt

@@ -59,16 +59,16 @@ internal class FirWhenExpressionImpl(
     }
 
     override fun <D> transformCalleeReference(transformer: FirTransformer<D>, data: D): FirWhenExpressionImpl {
-        calleeReference = calleeReference.transformSingle(transformer, data)
+        calleeReference = calleeReference.transform(transformer, data)
         return this
     }
 
     override fun <D> transformSubject(transformer: FirTransformer<D>, data: D): FirWhenExpressionImpl {
         if (subjectVariable != null) {
-            subjectVariable = subjectVariable?.transformSingle(transformer, data)
+            subjectVariable = subjectVariable?.transform(transformer, data)
             subject = subjectVariable?.initializer
         } else {
-            subject = subject?.transformSingle(transformer, data)
+            subject = subject?.transform(transformer, data)
         }
         return this
     }
@@ -79,7 +79,7 @@ internal class FirWhenExpressionImpl(
     }
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirWhenExpressionImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         transformAnnotations(transformer, data)
         return this
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirWhileLoopImpl.kt

@@ -45,18 +45,18 @@ internal class FirWhileLoopImpl(
     }
 
     override fun <D> transformCondition(transformer: FirTransformer<D>, data: D): FirWhileLoopImpl {
-        condition = condition.transformSingle(transformer, data)
+        condition = condition.transform(transformer, data)
         return this
     }
 
     override fun <D> transformBlock(transformer: FirTransformer<D>, data: D): FirWhileLoopImpl {
-        block = block.transformSingle(transformer, data)
+        block = block.transform(transformer, data)
         return this
     }
 
     override fun <D> transformOtherChildren(transformer: FirTransformer<D>, data: D): FirWhileLoopImpl {
         transformAnnotations(transformer, data)
-        label = label?.transformSingle(transformer, data)
+        label = label?.transform(transformer, data)
         return this
     }
 }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirWrappedDelegateExpressionImpl.kt

@@ -33,8 +33,8 @@ internal class FirWrappedDelegateExpressionImpl(
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirWrappedDelegateExpressionImpl {
         transformAnnotations(transformer, data)
-        expression = expression.transformSingle(transformer, data)
+        expression = expression.transform(transformer, data)
-        delegateProvider = delegateProvider.transformSingle(transformer, data)
+        delegateProvider = delegateProvider.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/references/impl/FirExplicitSuperReference.kt

@@ -25,7 +25,7 @@ internal class FirExplicitSuperReference(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirExplicitSuperReference {
-        superTypeRef = superTypeRef.transformSingle(transformer, data)
+        superTypeRef = superTypeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/impl/FirFunctionTypeRefImpl.kt

@@ -35,9 +35,9 @@ internal class FirFunctionTypeRefImpl(
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirFunctionTypeRefImpl {
         transformAnnotations(transformer, data)
-        receiverTypeRef = receiverTypeRef?.transformSingle(transformer, data)
+        receiverTypeRef = receiverTypeRef?.transform(transformer, data)
         valueParameters.transformInplace(transformer, data)
-        returnTypeRef = returnTypeRef.transformSingle(transformer, data)
+        returnTypeRef = returnTypeRef.transform(transformer, data)
         return this
     }
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/impl/FirTypeProjectionWithVarianceImpl.kt

@@ -26,7 +26,7 @@ internal class FirTypeProjectionWithVarianceImpl(
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirTypeProjectionWithVarianceImpl {
-        typeRef = typeRef.transformSingle(transformer, data)
+        typeRef = typeRef.transform(transformer, data)
         return this
     }
 }

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/printer/implementation.kt

@@ -37,7 +37,7 @@ fun SmartPrinter.printImplementation(implementation: Implementation) {
             is FieldWithDefault -> origin.transform()
 
             is FirField ->
-                println("$name = ${name}${call()}transformSingle(transformer, data)")
+                println("$name = ${name}${call()}transform(transformer, data)")
 
             is FieldList -> {
                 println("${name}.transformInplace(transformer, data)")
@@ -198,13 +198,13 @@ fun SmartPrinter.printImplementation(implementation: Implementation) {
                                 val dispatchReceiver = implementation["dispatchReceiver"]!!
                                 val extensionReceiver = implementation["extensionReceiver"]!!
                                 if (explicitReceiver.isMutable) {
-                                    println("explicitReceiver = explicitReceiver${explicitReceiver.call()}transformSingle(transformer, data)")
+                                    println("explicitReceiver = explicitReceiver${explicitReceiver.call()}transform(transformer, data)")
                                 }
                                 if (dispatchReceiver.isMutable) {
                                     println(
                                         """
                                     |if (dispatchReceiver !== explicitReceiver) {
-                                    |            dispatchReceiver = dispatchReceiver.transformSingle(transformer, data)
+                                    |            dispatchReceiver = dispatchReceiver.transform(transformer, data)
                                     |        }
                                 """.trimMargin(),
                                     )
@@ -213,7 +213,7 @@ fun SmartPrinter.printImplementation(implementation: Implementation) {
                                     println(
                                         """
                                     |if (extensionReceiver !== explicitReceiver && extensionReceiver !== dispatchReceiver) {
-                                    |            extensionReceiver = extensionReceiver.transformSingle(transformer, data)
+                                    |            extensionReceiver = extensionReceiver.transform(transformer, data)
                                     |        }
                                 """.trimMargin(),
                                     )
@@ -266,10 +266,10 @@ fun SmartPrinter.printImplementation(implementation: Implementation) {
                             println(
                                 """
                                 |if (subjectVariable != null) {
-                                |            subjectVariable = subjectVariable?.transformSingle(transformer, data)
+                                |            subjectVariable = subjectVariable?.transform(transformer, data)
                                 |            subject = subjectVariable?.initializer
                                 |        } else {
-                                |            subject = subject?.transformSingle(transformer, data)
+                                |            subject = subject?.transform(transformer, data)
                                 |        }
                                     """.trimMargin(),
                             )