[FIR] Add transformDeclarations to FirFile

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/FirFile.kt

@@ -34,4 +34,6 @@ abstract class FirFile : FirPureAbstractElement(), FirAnnotationContainer, FirDe
     abstract override fun replaceResolvePhase(newResolvePhase: FirResolvePhase)
 
     abstract override fun <D> transformAnnotations(transformer: FirTransformer<D>, data: D): FirFile
+
+    abstract fun <D> transformDeclarations(transformer: FirTransformer<D>, data: D): FirFile
 }

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

@@ -41,7 +41,7 @@ internal class FirFileImpl(
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirFileImpl {
         transformAnnotations(transformer, data)
         imports.transformInplace(transformer, data)
-        declarations.transformInplace(transformer, data)
+        transformDeclarations(transformer, data)
         return this
     }
 
@@ -50,6 +50,11 @@ internal class FirFileImpl(
         return this
     }
 
+    override fun <D> transformDeclarations(transformer: FirTransformer<D>, data: D): FirFileImpl {
+        declarations.transformInplace(transformer, data)
+        return this
+    }
+
     override fun replaceResolvePhase(newResolvePhase: FirResolvePhase) {
         resolvePhase = newResolvePhase
     }

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

@@ -390,7 +390,7 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
 
         file.configure {
             +fieldList(import)
-            +declarations
+            +declarations.withTransform()
             +stringField("name")
             +field("packageFqName", fqNameType)
         }