Rename UseExperimental->OptIn, Experimental->RequiresOptIn in quickfix and IDE tests

idea/jvm-debugger/jvm-debugger-test/testData/evaluation/singleBreakpoint/experimentalApi.kt

@@ -1,6 +1,6 @@
 package experimentalApi
 
-@Experimental(Experimental.Level.ERROR)
+@RequiresOptIn(level = RequiresOptIn.Level.ERROR)
 annotation class UnstableApi
 
 @UnstableApi

idea/src/org/jetbrains/kotlin/idea/quickfix/MakeModuleExperimentalFix.kt

@@ -28,11 +28,11 @@ class MakeModuleExperimentalFix(
     private val module: Module,
     private val annotationFqName: FqName
 ) : KotlinQuickFixAction<KtFile>(file) {
-    override fun getText(): String = "Add '-Xuse-experimental=$annotationFqName' to module ${module.name} compiler arguments"
+    override fun getText(): String = "Add '-Xopt-in=$annotationFqName' to module ${module.name} compiler arguments"
 
-    override fun getFamilyName(): String = "Make module experimental"
+    override fun getFamilyName(): String = "Add an opt-in requirement marker compiler argument"
 
-    private val compilerArgument = "-Xuse-experimental=$annotationFqName"
+    private val compilerArgument = "-Xopt-in=$annotationFqName"
 
     override fun invoke(project: Project, editor: Editor?, file: KtFile) {
         val modelsProvider = IdeModifiableModelsProviderImpl(project)
@@ -60,7 +60,7 @@ class MakeModuleExperimentalFix(
             compilerArgument !in compilerSettings.additionalArgumentsAsList
         } else {
             compilerSettings.additionalArgumentsAsList.none {
-                it.startsWith("-Xuse-experimental=") || it.startsWith("-Xexperimental=")
+                it.startsWith("-Xopt-in=") || it.startsWith("-Xuse-experimental=") || it.startsWith("-Xexperimental=")
             }
         }
     }

idea/testData/codeInsight/overrideImplement/copyExperimental.kt

@@ -1,6 +1,6 @@
 // DISABLE-ERRORS
 
-@Experimental
+@RequiresOptIn
 annotation class FirstExperience
 
 open class ParentTarget {

idea/testData/codeInsight/overrideImplement/copyExperimental.kt.after

@@ -1,6 +1,6 @@
 // DISABLE-ERRORS
 
-@Experimental
+@RequiresOptIn
 annotation class FirstExperience
 
 open class ParentTarget {

idea/testData/decompiler/stubBuilder/Contracts/Contracts.kt

@@ -4,7 +4,7 @@ package test
 
 import kotlin.contracts.*
 
-@UseExperimental(ExperimentalContracts::class)
+@OptIn(ExperimentalContracts::class)
 fun myRequire(x: Boolean) {
     contract {
         returns(true) implies (x)

idea/testData/multiModuleHighlighting/jsExperimentalLibrary/lib/lib.kt

@@ -1,6 +1,6 @@
 package lib
 
-@Experimental
+@RequiresOptIn
 annotation class ExperimentalAPI
 
 class Foo

idea/testData/multiModuleHighlighting/jvmExperimentalLibrary/lib/lib.kt

@@ -1,6 +1,6 @@
 package lib
 
-@Experimental
+@RequiresOptIn
 annotation class ExperimentalAPI
 
 class Foo

idea/testData/quickfix/experimental/annotationInTopLevelProperty.kt

@@ -1,8 +1,8 @@
 // "Add '@TopMarker' annotation to 'topUserVal'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 annotation class TopMarker
 
 @TopMarker
@@ -12,4 +12,4 @@ class TopClass
 @TopMarker
 annotation class TopAnn
 
-val topUserVal: @<caret>TopAnn TopClass? = null
+val topUserVal: @<caret>TopAnn TopClass? = null

idea/testData/quickfix/experimental/annotationInTopLevelProperty.kt.after

@@ -1,8 +1,8 @@
 // "Add '@TopMarker' annotation to 'topUserVal'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 annotation class TopMarker
 
 @TopMarker
@@ -13,4 +13,4 @@ class TopClass
 annotation class TopAnn
 
 @TopMarker
-val topUserVal: @TopAnn TopClass? = null
+val topUserVal: @TopAnn TopClass? = null

idea/testData/quickfix/experimental/basicFunction.kt

@@ -1,8 +1,8 @@
 // "Add '@MyExperimentalAPI' annotation to 'bar'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 annotation class MyExperimentalAPI
 
 @MyExperimentalAPI
@@ -12,4 +12,4 @@ class Bar {
     fun bar() {
         foo<caret>()
     }
-}
+}

idea/testData/quickfix/experimental/basicFunction.kt.after

@@ -1,8 +1,8 @@
 // "Add '@MyExperimentalAPI' annotation to 'bar'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 annotation class MyExperimentalAPI
 
 @MyExperimentalAPI
@@ -13,4 +13,4 @@ class Bar {
     fun bar() {
         foo()
     }
-}
+}

idea/testData/quickfix/experimental/basicFunctionContainingClass.kt

@@ -1,8 +1,8 @@
 // "Add '@MyExperimentalAPI' annotation to containing class 'Bar'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 annotation class MyExperimentalAPI
 
 @MyExperimentalAPI
@@ -12,4 +12,4 @@ class Bar {
     fun bar() {
         foo<caret>()
     }
-}
+}

idea/testData/quickfix/experimental/basicFunctionContainingClass.kt.after

@@ -1,8 +1,8 @@
 // "Add '@MyExperimentalAPI' annotation to containing class 'Bar'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 annotation class MyExperimentalAPI
 
 @MyExperimentalAPI
@@ -13,4 +13,4 @@ class Bar {
     fun bar() {
         foo()
     }
-}
+}

idea/testData/quickfix/experimental/basicFunctionNotApplicable.kt

@@ -1,13 +1,13 @@
 // "Add '@MyExperimentalAPI' annotation to 'bar'" "false"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 // ACTION: Add '@MyExperimentalAPI' annotation to containing class 'Bar'
 // ACTION: Add '@OptIn(MyExperimentalAPI::class)' annotation to 'bar'
-// ACTION: Add '-Xuse-experimental=MyExperimentalAPI' to module light_idea_test_case compiler arguments
+// ACTION: Add '-Xopt-in=MyExperimentalAPI' to module light_idea_test_case compiler arguments
 // ERROR: This declaration is experimental and its usage must be marked with '@MyExperimentalAPI' or '@OptIn(MyExperimentalAPI::class)'
 // ERROR: This declaration is experimental and its usage must be marked with '@MyExperimentalAPI' or '@OptIn(MyExperimentalAPI::class)'
 
-@Experimental
+@RequiresOptIn
 @Target(AnnotationTarget.CLASS)
 annotation class MyExperimentalAPI
 

idea/testData/quickfix/experimental/basicModule.kt

@@ -1,12 +1,12 @@
-// "Add '-Xuse-experimental=test.MyExperimentalAPI' to module light_idea_test_case compiler arguments" "true"
+// "Add '-Xopt-in=test.MyExperimentalAPI' to module light_idea_test_case compiler arguments" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
-// COMPILER_ARGUMENTS_AFTER: -Xuse-experimental=kotlin.Experimental -Xuse-experimental=test.MyExperimentalAPI
+// COMPILER_ARGUMENTS_AFTER: -Xopt-in=kotlin.RequiresOptIn -Xopt-in=test.MyExperimentalAPI
 // DISABLE-ERRORS
 // WITH_RUNTIME
 
 package test
 
-@Experimental
+@RequiresOptIn
 annotation class MyExperimentalAPI
 
 @MyExperimentalAPI
@@ -18,4 +18,4 @@ class Bar {
     fun bar() {
         Some().foo<caret>()
     }
-}
+}

idea/testData/quickfix/experimental/basicModule.kt.after

@@ -1,12 +1,12 @@
-// "Add '-Xuse-experimental=test.MyExperimentalAPI' to module light_idea_test_case compiler arguments" "true"
+// "Add '-Xopt-in=test.MyExperimentalAPI' to module light_idea_test_case compiler arguments" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
-// COMPILER_ARGUMENTS_AFTER: -Xuse-experimental=kotlin.Experimental -Xuse-experimental=test.MyExperimentalAPI
+// COMPILER_ARGUMENTS_AFTER: -Xopt-in=kotlin.RequiresOptIn -Xopt-in=test.MyExperimentalAPI
 // DISABLE-ERRORS
 // WITH_RUNTIME
 
 package test
 
-@Experimental
+@RequiresOptIn
 annotation class MyExperimentalAPI
 
 @MyExperimentalAPI
@@ -18,4 +18,4 @@ class Bar {
     fun bar() {
         Some().foo()
     }
-}
+}

idea/testData/quickfix/experimental/basicUseExperimental.kt

@@ -1,10 +1,10 @@
 // "Add '@OptIn(MyExperimentalAPI::class)' annotation to 'bar'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
 package a.b
 
-@Experimental
+@RequiresOptIn
 @Target(AnnotationTarget.CLASS)
 annotation class MyExperimentalAPI
 

idea/testData/quickfix/experimental/basicUseExperimental.kt.after

@@ -1,10 +1,10 @@
 // "Add '@OptIn(MyExperimentalAPI::class)' annotation to 'bar'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
 package a.b
 
-@Experimental
+@RequiresOptIn
 @Target(AnnotationTarget.CLASS)
 annotation class MyExperimentalAPI
 

idea/testData/quickfix/experimental/classUseExperimental.kt

@@ -1,10 +1,10 @@
 // "Add '@OptIn(MyExperimentalAPI::class)' annotation to containing class 'Bar'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
 package a.b
 
-@Experimental
+@RequiresOptIn
 @Target(AnnotationTarget.FUNCTION)
 annotation class MyExperimentalAPI
 

idea/testData/quickfix/experimental/classUseExperimental.kt.after

@@ -1,10 +1,10 @@
 // "Add '@OptIn(MyExperimentalAPI::class)' annotation to containing class 'Bar'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
 package a.b
 
-@Experimental
+@RequiresOptIn
 @Target(AnnotationTarget.FUNCTION)
 annotation class MyExperimentalAPI
 

idea/testData/quickfix/experimental/doNotSwitchOn.kt

@@ -1,10 +1,10 @@
-// "Add '-Xuse-experimental=kotlin.Experimental' to module light_idea_test_case compiler arguments" "false"
+// "Add '-Xopt-in=kotlin.RequiresOptIn' to module light_idea_test_case compiler arguments" "false"
-// COMPILER_ARGUMENTS: -version -Xuse-experimental=Something
+// COMPILER_ARGUMENTS: -version -Xopt-in=Something
 // DISABLE-ERRORS
 // WITH_RUNTIME
 // ACTION: Introduce import alias
 // ACTION: Make internal
 // ACTION: Make private
 
-@Experimental<caret>
+@RequiresOptIn<caret>
-annotation class MyExperimentalAPI
+annotation class MyExperimentalAPI

idea/testData/quickfix/experimental/experimentalUnused.kt

@@ -1,10 +1,10 @@
 // "Safe delete 'Marker'" "false"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental -Xuse-experimental=test.Marker
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn -Xopt-in=test.Marker
 // WITH_RUNTIME
 // ACTION: Rename file to Marker.kt
 // TOOL: org.jetbrains.kotlin.idea.inspections.UnusedSymbolInspection
 
 package test
 
-@Experimental
+@RequiresOptIn
 annotation class <caret>Marker

idea/testData/quickfix/experimental/experimentalUnused2.kt

@@ -1,10 +1,10 @@
 // "Safe delete 'Marker'" "false"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental -Xexperimental=test.Marker
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn -Xexperimental=test.Marker
 // WITH_RUNTIME
 // ACTION: Rename file to Marker.kt
 // TOOL: org.jetbrains.kotlin.idea.inspections.UnusedSymbolInspection
 
 package test
 
-@Experimental
+@RequiresOptIn
 annotation class <caret>Marker

idea/testData/quickfix/experimental/functionInLocalClass.kt

@@ -1,8 +1,8 @@
 // "Add '@MyExperimentalAPI' annotation to 'outer'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 @Target(AnnotationTarget.FUNCTION)
 annotation class MyExperimentalAPI
 
@@ -17,4 +17,4 @@ class Outer {
             override fun foo<caret>() {}
         }
     }
-}
+}

idea/testData/quickfix/experimental/functionInLocalClass.kt.after

@@ -1,8 +1,8 @@
 // "Add '@MyExperimentalAPI' annotation to 'outer'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 @Target(AnnotationTarget.FUNCTION)
 annotation class MyExperimentalAPI
 
@@ -18,4 +18,4 @@ class Outer {
             override fun foo<caret>() {}
         }
     }
-}
+}

idea/testData/quickfix/experimental/localFunction.kt

@@ -1,8 +1,8 @@
 // "Add '@MyExperimentalAPI' annotation to 'outer'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 annotation class MyExperimentalAPI
 
 @MyExperimentalAPI
@@ -12,4 +12,4 @@ fun outer() {
     fun bar() {
         foo<caret>()
     }
-}
+}

idea/testData/quickfix/experimental/localFunction.kt.after

@@ -1,8 +1,8 @@
 // "Add '@MyExperimentalAPI' annotation to 'outer'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 annotation class MyExperimentalAPI
 
 @MyExperimentalAPI
@@ -13,4 +13,4 @@ fun outer() {
     fun bar() {
         foo()
     }
-}
+}

idea/testData/quickfix/experimental/nestedClasses.kt

@@ -1,14 +1,14 @@
 // "Add '@MyExperimentalAPI' annotation to containing class 'Outer'" "false"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 // ACTION: Add '@MyExperimentalAPI' annotation to 'bar'
 // ACTION: Add '@MyExperimentalAPI' annotation to containing class 'Inner'
 // ACTION: Add '@OptIn(MyExperimentalAPI::class)' annotation to 'bar'
-// ACTION: Add '-Xuse-experimental=MyExperimentalAPI' to module light_idea_test_case compiler arguments
+// ACTION: Add '-Xopt-in=MyExperimentalAPI' to module light_idea_test_case compiler arguments
 // ACTION: Introduce import alias
 // ERROR: This declaration is experimental and its usage must be marked with '@MyExperimentalAPI' or '@OptIn(MyExperimentalAPI::class)'
 
-@Experimental
+@RequiresOptIn
 annotation class MyExperimentalAPI
 
 @MyExperimentalAPI

idea/testData/quickfix/experimental/override.kt

@@ -1,13 +1,13 @@
 // "Add '@MyExperimentalAPI' annotation to containing class 'Derived'" "false"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 // ACTION: Add '@MyExperimentalAPI' annotation to 'foo'
 // ACTION: Add '@OptIn(MyExperimentalAPI::class)' annotation to 'foo'
 // ACTION: Add '@OptIn(MyExperimentalAPI::class)' annotation to containing class 'Derived'
-// ACTION: Add '-Xuse-experimental=MyExperimentalAPI' to module light_idea_test_case compiler arguments
+// ACTION: Add '-Xopt-in=MyExperimentalAPI' to module light_idea_test_case compiler arguments
 // ERROR: This declaration overrides experimental member of supertype 'Base' and must be annotated with '@MyExperimentalAPI'
 
-@Experimental
+@RequiresOptIn
 @Target(AnnotationTarget.FUNCTION)
 annotation class MyExperimentalAPI
 

idea/testData/quickfix/experimental/propertyInConstructor.kt

@@ -1,12 +1,12 @@
 // "Add '@PropertyTypeMarker' annotation to 'PropertyTypeContainer'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 // ACTION: Add '@PropertyTypeMarker' annotation to containing class 'PropertyTypeContainer'
 
-@Experimental
+@RequiresOptIn
 annotation class PropertyTypeMarker
 
 @PropertyTypeMarker
 class PropertyTypeMarked
 
-class PropertyTypeContainer(val subject: Property<caret>TypeMarked)
+class PropertyTypeContainer(val subject: Property<caret>TypeMarked)

idea/testData/quickfix/experimental/propertyInConstructor.kt.after

@@ -1,12 +1,12 @@
 // "Add '@PropertyTypeMarker' annotation to 'PropertyTypeContainer'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 // ACTION: Add '@PropertyTypeMarker' annotation to containing class 'PropertyTypeContainer'
 
-@Experimental
+@RequiresOptIn
 annotation class PropertyTypeMarker
 
 @PropertyTypeMarker
 class PropertyTypeMarked
 
-class PropertyTypeContainer @PropertyTypeMarker constructor(val subject: PropertyTypeMarked)
+class PropertyTypeContainer @PropertyTypeMarker constructor(val subject: PropertyTypeMarked)

idea/testData/quickfix/experimental/switchOn.kt

@@ -1,8 +1,8 @@
-// "Add '-Xuse-experimental=kotlin.RequiresOptIn' to module light_idea_test_case compiler arguments" "true"
+// "Add '-Xopt-in=kotlin.RequiresOptIn' to module light_idea_test_case compiler arguments" "true"
 // COMPILER_ARGUMENTS: -version
-// COMPILER_ARGUMENTS_AFTER: -version -Xuse-experimental=kotlin.RequiresOptIn
+// COMPILER_ARGUMENTS_AFTER: -version -Xopt-in=kotlin.RequiresOptIn
 // DISABLE-ERRORS
 // WITH_RUNTIME
 
-@Experimental<caret>
+@RequiresOptIn<caret>
 annotation class MyExperimentalAPI

idea/testData/quickfix/experimental/switchOn.kt.after

@@ -1,8 +1,8 @@
-// "Add '-Xuse-experimental=kotlin.RequiresOptIn' to module light_idea_test_case compiler arguments" "true"
+// "Add '-Xopt-in=kotlin.RequiresOptIn' to module light_idea_test_case compiler arguments" "true"
 // COMPILER_ARGUMENTS: -version
-// COMPILER_ARGUMENTS_AFTER: -version -Xuse-experimental=kotlin.RequiresOptIn
+// COMPILER_ARGUMENTS_AFTER: -version -Xopt-in=kotlin.RequiresOptIn
 // DISABLE-ERRORS
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 annotation class MyExperimentalAPI

idea/testData/quickfix/experimental/typeAlias.kt

@@ -1,9 +1,9 @@
 // "Add '@OptIn(AliasMarker::class)' annotation to 'AliasMarkerUsage'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
-// ACTION: Add '-Xuse-experimental=AliasMarker' to module light_idea_test_case compiler arguments
+// ACTION: Add '-Xopt-in=AliasMarker' to module light_idea_test_case compiler arguments
 
-@Experimental
+@RequiresOptIn
 annotation class AliasMarker
 
 @AliasMarker

idea/testData/quickfix/experimental/typeAlias.kt.after

@@ -1,9 +1,9 @@
 // "Add '@OptIn(AliasMarker::class)' annotation to 'AliasMarkerUsage'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
-// ACTION: Add '-Xuse-experimental=AliasMarker' to module light_idea_test_case compiler arguments
+// ACTION: Add '-Xopt-in=AliasMarker' to module light_idea_test_case compiler arguments
 
-@Experimental
+@RequiresOptIn
 annotation class AliasMarker
 
 @AliasMarker

idea/testData/quickfix/experimental/typeInTopLevelProperty.kt

@@ -1,8 +1,8 @@
 // "Add '@TopMarker' annotation to 'topUserVal'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 annotation class TopMarker
 
 @TopMarker
@@ -12,4 +12,4 @@ class TopClass
 @TopMarker
 annotation class TopAnn
 
-val topUserVal: @TopAnn <caret>TopClass? = null
+val topUserVal: @TopAnn <caret>TopClass? = null

idea/testData/quickfix/experimental/typeInTopLevelProperty.kt.after

@@ -1,8 +1,8 @@
 // "Add '@TopMarker' annotation to 'topUserVal'" "true"
-// COMPILER_ARGUMENTS: -Xuse-experimental=kotlin.Experimental
+// COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn
 // WITH_RUNTIME
 
-@Experimental
+@RequiresOptIn
 annotation class TopMarker
 
 @TopMarker
@@ -13,4 +13,4 @@ class TopClass
 annotation class TopAnn
 
 @TopMarker
-val topUserVal: @TopAnn TopClass? = null
+val topUserVal: @TopAnn TopClass? = null

idea/testData/resolve/partialBodyResolve/ContractFromSource.completion

@@ -5,7 +5,7 @@ package test
 
 import kotlin.contracts.*
 
-@UseExperimental(ExperimentalContracts::class)
+@OptIn(ExperimentalContracts::class)
 fun myRequire(x: Boolean) {
     contract {
         returns() implies x

idea/testData/resolve/partialBodyResolve/ContractFromSource.dump

@@ -5,7 +5,7 @@ package test
 
 import kotlin.contracts.*
 
-@UseExperimental(ExperimentalContracts::class)
+@OptIn(ExperimentalContracts::class)
 fun myRequire(x: Boolean) {
     contract {
         returns() implies x

idea/testData/resolve/partialBodyResolve/ContractFromSource.kt

@@ -3,7 +3,7 @@ package test
 
 import kotlin.contracts.*
 
-@UseExperimental(ExperimentalContracts::class)
+@OptIn(ExperimentalContracts::class)
 fun myRequire(x: Boolean) {
     contract {
         returns() implies x

idea/tests/org/jetbrains/kotlin/idea/caches/resolve/MultiModuleHighlightingTest.kt

@@ -234,7 +234,7 @@ open class MultiModuleHighlightingTest : AbstractMultiModuleHighlightingTest() {
         val lib = MockLibraryUtil.compileJvmLibraryToJar(
             testDataPath + "${getTestName(true)}/lib", "lib",
             extraOptions = listOf(
-                "-Xuse-experimental=kotlin.Experimental",
+                "-Xopt-in=kotlin.RequiresOptIn",
                 "-Xexperimental=lib.ExperimentalAPI"
             )
         )
@@ -247,7 +247,7 @@ open class MultiModuleHighlightingTest : AbstractMultiModuleHighlightingTest() {
         val lib = MockLibraryUtil.compileJsLibraryToJar(
             testDataPath + "${getTestName(true)}/lib", "lib", false,
             extraOptions = listOf(
-                "-Xuse-experimental=kotlin.Experimental",
+                "-Xopt-in=kotlin.RequiresOptIn",
                 "-Xexperimental=lib.ExperimentalAPI"
             )
         )