From f8d79cb446322e1447bfc266b31787a413c7675d Mon Sep 17 00:00:00 2001
From: Bart van Helvert <bart.vanhelvert@jetbrains.com>
Date: Sat, 22 Apr 2023 16:01:12 +0200
Subject: [PATCH] [kotlin] Move `MoveSource` to common refactoring module

^KTIJ-23273 Also renames it to `KotlinMoveSource` to make it similar to `KotlinMoveTarget`

GitOrigin-RevId: 813909d52de9efd8359528cdc2a330af56c12381
---
 .../MoveMemberOutOfObjectIntention.kt         |  8 +++++--
 .../MoveMemberToCompanionObjectIntention.kt   | 12 +++++------
 .../cutPaste/MoveDeclarationsProcessor.kt     |  8 +++++--
 .../KotlinChangePackageRefactoring.kt         |  3 +--
 ...ractDeclarationFromCurrentFileIntention.kt |  5 +++--
 .../MoveKotlinDeclarationsProcessor.kt        | 19 ++---------------
 .../ui/MoveKotlinNestedClassesModel.kt        |  3 ++-
 ...oveKotlinNestedClassesToUpperLevelModel.kt |  3 ++-
 .../ui/MoveKotlinTopLevelDeclarationsModel.kt |  2 +-
 .../MoveKotlinFileHandler.kt                  |  3 +--
 .../idea/refactoring/move/AbstractMoveTest.kt |  5 ++---
 .../idea/refactoring/move/KotlinMoveSource.kt | 21 +++++++++++++++++++
 12 files changed, 53 insertions(+), 39 deletions(-)
 create mode 100644 plugins/kotlin/refactorings/kotlin.refactorings.common/src/org/jetbrains/kotlin/idea/refactoring/move/KotlinMoveSource.kt

diff --git a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/MoveMemberOutOfObjectIntention.kt b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/MoveMemberOutOfObjectIntention.kt
index ea6b8607df66..cf8567965fa3 100644
--- a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/MoveMemberOutOfObjectIntention.kt
+++ b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/MoveMemberOutOfObjectIntention.kt
@@ -9,8 +9,12 @@ import com.intellij.util.containers.MultiMap
 import org.jetbrains.kotlin.idea.codeinsight.api.classic.intentions.SelfTargetingRangeIntention
 import org.jetbrains.kotlin.idea.refactoring.CompositeRefactoringRunner
 import org.jetbrains.kotlin.idea.refactoring.checkConflictsInteractively
+import org.jetbrains.kotlin.idea.refactoring.move.KotlinMoveSource
 import org.jetbrains.kotlin.idea.refactoring.move.KotlinMoveTarget
-import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.*
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDelegate
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDescriptor
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveKotlinDeclarationsProcessor
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.Mover
 import org.jetbrains.kotlin.psi.KtClassOrObject
 import org.jetbrains.kotlin.psi.KtElement
 import org.jetbrains.kotlin.psi.KtFile
@@ -43,7 +47,7 @@ abstract class MoveMemberOutOfObjectIntention(textGetter: () -> String) : SelfTa
         if (element is KtClassOrObject || !element.isPrivate() && destination is KtFile) {
             val moveDescriptor = MoveDeclarationsDescriptor(
                 project,
-                MoveSource(element),
+                KotlinMoveSource(element),
                 KotlinMoveTarget.ExistingElement(destination),
                 MoveDeclarationsDelegate.NestedClass()
             )
diff --git a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/MoveMemberToCompanionObjectIntention.kt b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/MoveMemberToCompanionObjectIntention.kt
index b73ff6713523..42e06c88d2b9 100644
--- a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/MoveMemberToCompanionObjectIntention.kt
+++ b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/MoveMemberToCompanionObjectIntention.kt
@@ -48,11 +48,11 @@ import org.jetbrains.kotlin.idea.core.ShortenReferences
 import org.jetbrains.kotlin.idea.core.util.runSynchronouslyWithProgress
 import org.jetbrains.kotlin.idea.quickfix.KotlinSingleIntentionActionFactory
 import org.jetbrains.kotlin.idea.refactoring.checkConflictsInteractively
-import org.jetbrains.kotlin.idea.refactoring.move.KotlinMoveTarget
-import org.jetbrains.kotlin.idea.refactoring.move.OuterInstanceReferenceUsageInfo
-import org.jetbrains.kotlin.idea.refactoring.move.collectOuterInstanceReferences
-import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.*
-import org.jetbrains.kotlin.idea.refactoring.move.traverseOuterInstanceReferences
+import org.jetbrains.kotlin.idea.refactoring.move.*
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDelegate
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDescriptor
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveKotlinDeclarationsProcessor
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.Mover
 import org.jetbrains.kotlin.idea.references.KtSimpleNameReference
 import org.jetbrains.kotlin.idea.search.declarationsSearch.HierarchySearchRequest
 import org.jetbrains.kotlin.idea.search.declarationsSearch.searchOverriders
@@ -382,7 +382,7 @@ class MoveMemberToCompanionObjectIntention : SelfTargetingRangeIntention<KtNamed
             }
             val moveDescriptor = MoveDeclarationsDescriptor(
                 project,
-                MoveSource(element),
+                KotlinMoveSource(element),
                 KotlinMoveTarget.Companion(containingClass),
                 MoveDeclarationsDelegate.NestedClass(null, outerInstanceName),
                 moveCallback = MoveCallback { runTemplateForInstanceParam(movedClass!!, nameSuggestions, editor) }
diff --git a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/cutPaste/MoveDeclarationsProcessor.kt b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/cutPaste/MoveDeclarationsProcessor.kt
index ca71c20949fe..2ee79df94751 100644
--- a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/cutPaste/MoveDeclarationsProcessor.kt
+++ b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/cutPaste/MoveDeclarationsProcessor.kt
@@ -18,8 +18,12 @@ import org.jetbrains.kotlin.idea.caches.resolve.unsafeResolveToDescriptor
 import org.jetbrains.kotlin.idea.codeInsight.shorten.runRefactoringAndKeepDelayedRequests
 import org.jetbrains.kotlin.idea.core.util.runSynchronouslyWithProgress
 import org.jetbrains.kotlin.idea.refactoring.cutPaste.MoveDeclarationsTransferableData.Companion.STUB_RENDERER
+import org.jetbrains.kotlin.idea.refactoring.move.KotlinMoveSource
 import org.jetbrains.kotlin.idea.refactoring.move.KotlinMoveTarget
-import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.*
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDelegate
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDescriptor
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveKotlinDeclarationsProcessor
+import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.Mover
 import org.jetbrains.kotlin.idea.util.application.executeWriteCommand
 import org.jetbrains.kotlin.idea.util.getSourceRoot
 import org.jetbrains.kotlin.psi.*
@@ -138,7 +142,7 @@ class MoveDeclarationsProcessor(
 
         val declarationProcessor = MoveKotlinDeclarationsProcessor(
             MoveDeclarationsDescriptor(
-                moveSource = MoveSource(stubDeclarations),
+                moveSource = KotlinMoveSource(stubDeclarations),
                 moveTarget = KotlinMoveTarget.ExistingElement(targetPsiFile),
                 delegate = MoveDeclarationsDelegate.TopLevel,
                 project = project
diff --git a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/changePackage/KotlinChangePackageRefactoring.kt b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/changePackage/KotlinChangePackageRefactoring.kt
index cafef66a8167..1fe07be33d3f 100644
--- a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/changePackage/KotlinChangePackageRefactoring.kt
+++ b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/changePackage/KotlinChangePackageRefactoring.kt
@@ -13,7 +13,6 @@ import org.jetbrains.kotlin.idea.refactoring.move.*
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDelegate
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDescriptor
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveKotlinDeclarationsProcessor
-import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveSource
 import org.jetbrains.kotlin.idea.util.application.executeWriteCommand
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.psi.KtFile
@@ -28,7 +27,7 @@ class KotlinChangePackageRefactoring(val file: KtFile) {
         val declarationProcessor = MoveKotlinDeclarationsProcessor(
             MoveDeclarationsDescriptor(
                 project = project,
-                moveSource = MoveSource(file),
+                moveSource = KotlinMoveSource(file),
                 moveTarget = KotlinMoveTarget.Directory(newFqName, file.containingDirectory!!.virtualFile),
                 delegate = MoveDeclarationsDelegate.TopLevel,
                 searchInCommentsAndStrings = KotlinRefactoringSettings.instance.MOVE_SEARCH_IN_COMMENTS,
diff --git a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ExtractDeclarationFromCurrentFileIntention.kt b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ExtractDeclarationFromCurrentFileIntention.kt
index 7492fd4e17d0..0cd4f8d321d9 100644
--- a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ExtractDeclarationFromCurrentFileIntention.kt
+++ b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ExtractDeclarationFromCurrentFileIntention.kt
@@ -23,6 +23,7 @@ import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptorIfAny
 import org.jetbrains.kotlin.idea.codeinsight.api.classic.intentions.SelfTargetingRangeIntention
 import org.jetbrains.kotlin.idea.core.moveCaret
 import org.jetbrains.kotlin.idea.refactoring.createKotlinFile
+import org.jetbrains.kotlin.idea.refactoring.move.KotlinMoveSource
 import org.jetbrains.kotlin.idea.refactoring.move.KotlinMoveTarget
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.ui.MoveKotlinTopLevelDeclarationsDialog
 import org.jetbrains.kotlin.idea.refactoring.showWithTransaction
@@ -105,9 +106,9 @@ class ExtractDeclarationFromCurrentFileIntention : SelfTargetingRangeIntention<K
 
         val moveSource = element.tryGetExtraClassesToMove()
             ?.let { additionalElements ->
-                MoveSource(additionalElements.toMutableList().also { it.add(0, element) })
+                KotlinMoveSource(additionalElements.toMutableList().also { it.add(0, element) })
             }
-            ?: MoveSource(element)
+            ?: KotlinMoveSource(element)
 
         val moveCallBack = MoveCallback {
             val newFile = directory.findFile(targetFileName) as KtFile
diff --git a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/MoveKotlinDeclarationsProcessor.kt b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/MoveKotlinDeclarationsProcessor.kt
index 902845653513..2159676df4a2 100644
--- a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/MoveKotlinDeclarationsProcessor.kt
+++ b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/MoveKotlinDeclarationsProcessor.kt
@@ -86,24 +86,9 @@ interface Mover : (KtNamedDeclaration, KtElement) -> KtNamedDeclaration {
     }
 }
 
-sealed class MoveSource {
-    abstract val elementsToMove: Collection<KtNamedDeclaration>
-
-    class Elements(override val elementsToMove: Collection<KtNamedDeclaration>) : MoveSource()
-
-    class File(val file: KtFile) : MoveSource() {
-        override val elementsToMove: Collection<KtNamedDeclaration>
-            get() = file.declarations.filterIsInstance<KtNamedDeclaration>()
-    }
-}
-
-fun MoveSource(declaration: KtNamedDeclaration) = MoveSource.Elements(listOf(declaration))
-fun MoveSource(declarations: Collection<KtNamedDeclaration>) = MoveSource.Elements(declarations)
-fun MoveSource(file: KtFile) = MoveSource.File(file)
-
 class MoveDeclarationsDescriptor @JvmOverloads constructor(
     val project: Project,
-    val moveSource: MoveSource,
+    val moveSource: KotlinMoveSource,
     val moveTarget: KotlinMoveTarget,
     val delegate: MoveDeclarationsDelegate,
     val searchInCommentsAndStrings: Boolean = true,
@@ -147,7 +132,7 @@ class MoveKotlinDeclarationsProcessor(
     val project get() = descriptor.project
 
     private var nonCodeUsages: Array<NonCodeUsageInfo>? = null
-    private val moveEntireFile = descriptor.moveSource is MoveSource.File
+    private val moveEntireFile = descriptor.moveSource is KotlinMoveSource.File
     private val elementsToMove = descriptor.moveSource.elementsToMove.filter { e ->
         e.parent != descriptor.moveTarget.getTargetPsiIfExists(e)
     }
diff --git a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinNestedClassesModel.kt b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinNestedClassesModel.kt
index 79d6ffe6b69b..8b3b896e2811 100644
--- a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinNestedClassesModel.kt
+++ b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinNestedClassesModel.kt
@@ -9,6 +9,7 @@ import com.intellij.psi.util.PsiTreeUtil
 import com.intellij.refactoring.RefactoringBundle
 import com.intellij.refactoring.move.MoveCallback
 import org.jetbrains.kotlin.idea.base.resources.KotlinBundle
+import org.jetbrains.kotlin.idea.refactoring.move.KotlinMoveSource
 import org.jetbrains.kotlin.idea.refactoring.move.KotlinMoveTarget
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.*
 import org.jetbrains.kotlin.idea.statistics.KotlinMoveRefactoringFUSCollector.MoveRefactoringDestination
@@ -57,7 +58,7 @@ internal class MoveKotlinNestedClassesModel(
         val delegate = MoveDeclarationsDelegate.NestedClass()
         val descriptor = MoveDeclarationsDescriptor(
             project,
-            MoveSource(elementsToMove),
+            KotlinMoveSource(elementsToMove),
             target,
             delegate,
             searchInCommentsAndStrings = false,
diff --git a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinNestedClassesToUpperLevelModel.kt b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinNestedClassesToUpperLevelModel.kt
index 02639e28b342..db1ae4bf267c 100644
--- a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinNestedClassesToUpperLevelModel.kt
+++ b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinNestedClassesToUpperLevelModel.kt
@@ -23,6 +23,7 @@ import org.jetbrains.kotlin.idea.base.resources.KotlinBundle
 import org.jetbrains.kotlin.idea.base.util.module
 import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptorIfAny
 import org.jetbrains.kotlin.idea.refactoring.createKotlinFile
+import org.jetbrains.kotlin.idea.refactoring.move.KotlinMoveSource
 import org.jetbrains.kotlin.idea.refactoring.move.KotlinMoveTarget
 import org.jetbrains.kotlin.idea.refactoring.move.getTargetPackageFqName
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.*
@@ -195,7 +196,7 @@ internal abstract class MoveKotlinNestedClassesToUpperLevelModel(
         val delegate = MoveDeclarationsDelegate.NestedClass(className, outerInstanceParameterName)
         val moveDescriptor = MoveDeclarationsDescriptor(
             project,
-            MoveSource(innerClass),
+            KotlinMoveSource(innerClass),
             moveTarget.first,
             delegate,
             searchInComments,
diff --git a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinTopLevelDeclarationsModel.kt b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinTopLevelDeclarationsModel.kt
index 7f4259f70ac0..cd70020033ed 100644
--- a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinTopLevelDeclarationsModel.kt
+++ b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/ui/MoveKotlinTopLevelDeclarationsModel.kt
@@ -311,7 +311,7 @@ internal class MoveKotlinTopLevelDeclarationsModel(
 
         val options = MoveDeclarationsDescriptor(
             project,
-            MoveSource(elementsWithMPPIfNeeded),
+            KotlinMoveSource(elementsWithMPPIfNeeded),
             target,
             MoveDeclarationsDelegate.TopLevel,
             isSearchInComments,
diff --git a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveFilesOrDirectories/MoveKotlinFileHandler.kt b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveFilesOrDirectories/MoveKotlinFileHandler.kt
index 3339738f28e6..01fd2ea78ba0 100644
--- a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveFilesOrDirectories/MoveKotlinFileHandler.kt
+++ b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveFilesOrDirectories/MoveKotlinFileHandler.kt
@@ -20,7 +20,6 @@ import org.jetbrains.kotlin.idea.refactoring.move.*
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDelegate
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDescriptor
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveKotlinDeclarationsProcessor
-import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveSource
 import org.jetbrains.kotlin.idea.roots.isOutsideKotlinAwareSourceRoot
 import org.jetbrains.kotlin.psi.KtFile
 
@@ -85,7 +84,7 @@ class MoveKotlinFileHandler : MoveFileHandler() {
         return MoveKotlinDeclarationsProcessor(
             MoveDeclarationsDescriptor(
                 project = project,
-                moveSource = MoveSource(psiFile),
+                moveSource = KotlinMoveSource(psiFile),
                 moveTarget = moveTarget,
                 delegate = MoveDeclarationsDelegate.TopLevel,
                 allElementsToMove = psiFile.allElementsToMove,
diff --git a/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/refactoring/move/AbstractMoveTest.kt b/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/refactoring/move/AbstractMoveTest.kt
index b6eb58f4b911..104da7d15fdf 100644
--- a/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/refactoring/move/AbstractMoveTest.kt
+++ b/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/refactoring/move/AbstractMoveTest.kt
@@ -31,7 +31,6 @@ import org.jetbrains.kotlin.idea.refactoring.move.moveClassesOrPackages.KotlinAw
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDelegate
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationsDescriptor
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveKotlinDeclarationsProcessor
-import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveSource
 import org.jetbrains.kotlin.idea.refactoring.move.moveMethod.MoveKotlinMethodProcessor
 import org.jetbrains.kotlin.idea.refactoring.runRefactoringTest
 import org.jetbrains.kotlin.idea.stubindex.KotlinFullClassNameIndex
@@ -241,7 +240,7 @@ enum class MoveAction : AbstractMultifileRefactoringTest.RefactoringAction {
                 )
             }
 
-            val descriptor = MoveDeclarationsDescriptor(project, MoveSource(elementsToMove), moveTarget, MoveDeclarationsDelegate.TopLevel)
+            val descriptor = MoveDeclarationsDescriptor(project, KotlinMoveSource(elementsToMove), moveTarget, MoveDeclarationsDelegate.TopLevel)
             MoveKotlinDeclarationsProcessor(descriptor).run()
         }
     },
@@ -303,7 +302,7 @@ enum class MoveAction : AbstractMultifileRefactoringTest.RefactoringAction {
                         createKotlinFile(fileName, targetDir, targetPackageFqName.asString())
                     }
                 }
-            val descriptor = MoveDeclarationsDescriptor(project, MoveSource(elementToMove), moveTarget, delegate)
+            val descriptor = MoveDeclarationsDescriptor(project, KotlinMoveSource(elementToMove), moveTarget, delegate)
             MoveKotlinDeclarationsProcessor(descriptor).run()
         }
     },
diff --git a/plugins/kotlin/refactorings/kotlin.refactorings.common/src/org/jetbrains/kotlin/idea/refactoring/move/KotlinMoveSource.kt b/plugins/kotlin/refactorings/kotlin.refactorings.common/src/org/jetbrains/kotlin/idea/refactoring/move/KotlinMoveSource.kt
new file mode 100644
index 000000000000..30b66203b85a
--- /dev/null
+++ b/plugins/kotlin/refactorings/kotlin.refactorings.common/src/org/jetbrains/kotlin/idea/refactoring/move/KotlinMoveSource.kt
@@ -0,0 +1,21 @@
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package org.jetbrains.kotlin.idea.refactoring.move
+
+import org.jetbrains.kotlin.psi.KtFile
+import org.jetbrains.kotlin.psi.KtNamedDeclaration
+
+fun KotlinMoveSource(declaration: KtNamedDeclaration) = KotlinMoveSource.Elements(listOf(declaration))
+
+fun KotlinMoveSource(declarations: Collection<KtNamedDeclaration>) = KotlinMoveSource.Elements(declarations)
+
+fun KotlinMoveSource(file: KtFile) = KotlinMoveSource.File(file)
+
+sealed interface KotlinMoveSource {
+    val elementsToMove: Collection<KtNamedDeclaration>
+
+    class Elements(override val elementsToMove: Collection<KtNamedDeclaration>) : KotlinMoveSource
+
+    class File(val file: KtFile) : KotlinMoveSource {
+        override val elementsToMove: Collection<KtNamedDeclaration> get() = file.declarations.filterIsInstance<KtNamedDeclaration>()
+    }
+}
\ No newline at end of file