diff --git a/compiler/backend/src/org/jetbrains/jet/codegen/JvmFunctionImplTypes.java b/compiler/backend/src/org/jetbrains/jet/codegen/JvmFunctionImplTypes.java
index 0cf312e4d07..99c82023d92 100644
--- a/compiler/backend/src/org/jetbrains/jet/codegen/JvmFunctionImplTypes.java
+++ b/compiler/backend/src/org/jetbrains/jet/codegen/JvmFunctionImplTypes.java
@@ -80,15 +80,16 @@ public class JvmFunctionImplTypes {
     @NotNull
     private List<KFunctions> getKFunctionsImplList() {
         if (kFunctionsList == null) {
-            MutablePackageFragmentDescriptor reflect =
-                    new MutablePackageFragmentDescriptor(DescriptorUtils.getContainingModule(functionImpl), new FqName("kotlin.reflect"));
+            MutablePackageFragmentDescriptor packageFragment = new MutablePackageFragmentDescriptor(
+                    DescriptorUtils.getContainingModule(functionImpl), new FqName("kotlin.reflect.jvm.internal")
+            );
 
             ImmutableList.Builder<KFunctions> builder = ImmutableList.builder();
             for (int i = 0; i < KotlinBuiltIns.FUNCTION_TRAIT_COUNT; i++) {
                 builder.add(new KFunctions(
-                        createKFunctionImpl(reflect, "KFunctionImpl" + i, reflectionTypes.getKFunction(i)),
-                        createKFunctionImpl(reflect, "KMemberFunctionImpl" + i, reflectionTypes.getKMemberFunction(i)),
-                        createKFunctionImpl(reflect, "KExtensionFunctionImpl" + i, reflectionTypes.getKExtensionFunction(i))
+                        createKFunctionImpl(packageFragment, "KFunction" + i + "Impl", reflectionTypes.getKFunction(i)),
+                        createKFunctionImpl(packageFragment, "KMemberFunction" + i + "Impl", reflectionTypes.getKMemberFunction(i)),
+                        createKFunctionImpl(packageFragment, "KExtensionFunction" + i + "Impl", reflectionTypes.getKExtensionFunction(i))
                 ));
             }
             kFunctionsList = builder.build();
diff --git a/compiler/testData/codegen/boxWithStdlib/callableReference/function/toString.kt b/compiler/testData/codegen/boxWithStdlib/callableReference/function/toString.kt
index a004bc8ff86..148ee943a8a 100644
--- a/compiler/testData/codegen/boxWithStdlib/callableReference/function/toString.kt
+++ b/compiler/testData/codegen/boxWithStdlib/callableReference/function/toString.kt
@@ -9,15 +9,15 @@ fun A.baz() {}
 
 fun box(): String {
     val f = "${::foo}"
-    if (f != "kotlin.reflect.KFunctionImpl1<java.lang.String, kotlin.Unit>") return "Fail foo: $f"
+    if (f != "kotlin.reflect.jvm.internal.KFunction1Impl<java.lang.String, kotlin.Unit>") return "Fail foo: $f"
 
     val nameOfA = (A() as java.lang.Object).getClass().getName()
 
     val g = "${A::bar}"
-    if (g != "kotlin.reflect.KMemberFunctionImpl0<$nameOfA, java.lang.String>") return "Fail bar: $g"
+    if (g != "kotlin.reflect.jvm.internal.KMemberFunction0Impl<$nameOfA, java.lang.String>") return "Fail bar: $g"
 
     val h = "${A::baz}"
-    if (h != "kotlin.reflect.KExtensionFunctionImpl0<$nameOfA, kotlin.Unit>") return "Fail baz: $h"
+    if (h != "kotlin.reflect.jvm.internal.KExtensionFunction0Impl<$nameOfA, kotlin.Unit>") return "Fail baz: $h"
 
     return "OK"
 }
diff --git a/core/runtime.jvm/src/kotlin/reflect/KExtensionFunctionsImpl.kt b/core/runtime.jvm/src/kotlin/reflect/jvm/internal/KExtensionFunctionsImpl.kt
similarity index 80%
rename from core/runtime.jvm/src/kotlin/reflect/KExtensionFunctionsImpl.kt
rename to core/runtime.jvm/src/kotlin/reflect/jvm/internal/KExtensionFunctionsImpl.kt
index b27be01047b..65b076ef0bc 100644
--- a/core/runtime.jvm/src/kotlin/reflect/KExtensionFunctionsImpl.kt
+++ b/core/runtime.jvm/src/kotlin/reflect/jvm/internal/KExtensionFunctionsImpl.kt
@@ -16,76 +16,76 @@
 
 // Auto-generated file. DO NOT EDIT!
 
-package kotlin.reflect
+package kotlin.reflect.jvm.internal
 
 import java.io.Serializable
 
-public abstract class KExtensionFunctionImpl0<in T, out R> : KExtensionFunction0<T, R>, Serializable {
+public abstract class KExtensionFunction0Impl<in T, out R> : KExtensionFunction0<T, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl1<in T, in P1, out R> : KExtensionFunction1<T, P1, R>, Serializable {
+public abstract class KExtensionFunction1Impl<in T, in P1, out R> : KExtensionFunction1<T, P1, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl2<in T, in P1, in P2, out R> : KExtensionFunction2<T, P1, P2, R>, Serializable {
+public abstract class KExtensionFunction2Impl<in T, in P1, in P2, out R> : KExtensionFunction2<T, P1, P2, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl3<in T, in P1, in P2, in P3, out R> : KExtensionFunction3<T, P1, P2, P3, R>, Serializable {
+public abstract class KExtensionFunction3Impl<in T, in P1, in P2, in P3, out R> : KExtensionFunction3<T, P1, P2, P3, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl4<in T, in P1, in P2, in P3, in P4, out R> : KExtensionFunction4<T, P1, P2, P3, P4, R>, Serializable {
+public abstract class KExtensionFunction4Impl<in T, in P1, in P2, in P3, in P4, out R> : KExtensionFunction4<T, P1, P2, P3, P4, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl5<in T, in P1, in P2, in P3, in P4, in P5, out R> : KExtensionFunction5<T, P1, P2, P3, P4, P5, R>, Serializable {
+public abstract class KExtensionFunction5Impl<in T, in P1, in P2, in P3, in P4, in P5, out R> : KExtensionFunction5<T, P1, P2, P3, P4, P5, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl6<in T, in P1, in P2, in P3, in P4, in P5, in P6, out R> : KExtensionFunction6<T, P1, P2, P3, P4, P5, P6, R>, Serializable {
+public abstract class KExtensionFunction6Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, out R> : KExtensionFunction6<T, P1, P2, P3, P4, P5, P6, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl7<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, out R> : KExtensionFunction7<T, P1, P2, P3, P4, P5, P6, P7, R>, Serializable {
+public abstract class KExtensionFunction7Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, out R> : KExtensionFunction7<T, P1, P2, P3, P4, P5, P6, P7, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl8<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, out R> : KExtensionFunction8<T, P1, P2, P3, P4, P5, P6, P7, P8, R>, Serializable {
+public abstract class KExtensionFunction8Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, out R> : KExtensionFunction8<T, P1, P2, P3, P4, P5, P6, P7, P8, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl9<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, out R> : KExtensionFunction9<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, R>, Serializable {
+public abstract class KExtensionFunction9Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, out R> : KExtensionFunction9<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl10<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, out R> : KExtensionFunction10<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, R>, Serializable {
+public abstract class KExtensionFunction10Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, out R> : KExtensionFunction10<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl11<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, out R> : KExtensionFunction11<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, R>, Serializable {
+public abstract class KExtensionFunction11Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, out R> : KExtensionFunction11<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl12<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, out R> : KExtensionFunction12<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, R>, Serializable {
+public abstract class KExtensionFunction12Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, out R> : KExtensionFunction12<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl13<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, out R> : KExtensionFunction13<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, R>, Serializable {
+public abstract class KExtensionFunction13Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, out R> : KExtensionFunction13<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl14<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, out R> : KExtensionFunction14<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, R>, Serializable {
+public abstract class KExtensionFunction14Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, out R> : KExtensionFunction14<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl15<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, out R> : KExtensionFunction15<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, R>, Serializable {
+public abstract class KExtensionFunction15Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, out R> : KExtensionFunction15<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl16<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, out R> : KExtensionFunction16<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, R>, Serializable {
+public abstract class KExtensionFunction16Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, out R> : KExtensionFunction16<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl17<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, out R> : KExtensionFunction17<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, R>, Serializable {
+public abstract class KExtensionFunction17Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, out R> : KExtensionFunction17<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl18<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, out R> : KExtensionFunction18<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, R>, Serializable {
+public abstract class KExtensionFunction18Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, out R> : KExtensionFunction18<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl19<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, out R> : KExtensionFunction19<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, R>, Serializable {
+public abstract class KExtensionFunction19Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, out R> : KExtensionFunction19<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl20<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, out R> : KExtensionFunction20<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, R>, Serializable {
+public abstract class KExtensionFunction20Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, out R> : KExtensionFunction20<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl21<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, out R> : KExtensionFunction21<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, R>, Serializable {
+public abstract class KExtensionFunction21Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, out R> : KExtensionFunction21<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KExtensionFunctionImpl22<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, in P22, out R> : KExtensionFunction22<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, P22, R>, Serializable {
+public abstract class KExtensionFunction22Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, in P22, out R> : KExtensionFunction22<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, P22, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
diff --git a/core/runtime.jvm/src/kotlin/reflect/KFunctionsImpl.kt b/core/runtime.jvm/src/kotlin/reflect/jvm/internal/KFunctionsImpl.kt
similarity index 78%
rename from core/runtime.jvm/src/kotlin/reflect/KFunctionsImpl.kt
rename to core/runtime.jvm/src/kotlin/reflect/jvm/internal/KFunctionsImpl.kt
index 40f990bdbbf..fa8c3c5bf0c 100644
--- a/core/runtime.jvm/src/kotlin/reflect/KFunctionsImpl.kt
+++ b/core/runtime.jvm/src/kotlin/reflect/jvm/internal/KFunctionsImpl.kt
@@ -16,76 +16,76 @@
 
 // Auto-generated file. DO NOT EDIT!
 
-package kotlin.reflect
+package kotlin.reflect.jvm.internal
 
 import java.io.Serializable
 
-public abstract class KFunctionImpl0<out R> : KFunction0<R>, Serializable {
+public abstract class KFunction0Impl<out R> : KFunction0<R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl1<in P1, out R> : KFunction1<P1, R>, Serializable {
+public abstract class KFunction1Impl<in P1, out R> : KFunction1<P1, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl2<in P1, in P2, out R> : KFunction2<P1, P2, R>, Serializable {
+public abstract class KFunction2Impl<in P1, in P2, out R> : KFunction2<P1, P2, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl3<in P1, in P2, in P3, out R> : KFunction3<P1, P2, P3, R>, Serializable {
+public abstract class KFunction3Impl<in P1, in P2, in P3, out R> : KFunction3<P1, P2, P3, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl4<in P1, in P2, in P3, in P4, out R> : KFunction4<P1, P2, P3, P4, R>, Serializable {
+public abstract class KFunction4Impl<in P1, in P2, in P3, in P4, out R> : KFunction4<P1, P2, P3, P4, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl5<in P1, in P2, in P3, in P4, in P5, out R> : KFunction5<P1, P2, P3, P4, P5, R>, Serializable {
+public abstract class KFunction5Impl<in P1, in P2, in P3, in P4, in P5, out R> : KFunction5<P1, P2, P3, P4, P5, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl6<in P1, in P2, in P3, in P4, in P5, in P6, out R> : KFunction6<P1, P2, P3, P4, P5, P6, R>, Serializable {
+public abstract class KFunction6Impl<in P1, in P2, in P3, in P4, in P5, in P6, out R> : KFunction6<P1, P2, P3, P4, P5, P6, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl7<in P1, in P2, in P3, in P4, in P5, in P6, in P7, out R> : KFunction7<P1, P2, P3, P4, P5, P6, P7, R>, Serializable {
+public abstract class KFunction7Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, out R> : KFunction7<P1, P2, P3, P4, P5, P6, P7, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl8<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, out R> : KFunction8<P1, P2, P3, P4, P5, P6, P7, P8, R>, Serializable {
+public abstract class KFunction8Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, out R> : KFunction8<P1, P2, P3, P4, P5, P6, P7, P8, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl9<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, out R> : KFunction9<P1, P2, P3, P4, P5, P6, P7, P8, P9, R>, Serializable {
+public abstract class KFunction9Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, out R> : KFunction9<P1, P2, P3, P4, P5, P6, P7, P8, P9, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl10<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, out R> : KFunction10<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, R>, Serializable {
+public abstract class KFunction10Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, out R> : KFunction10<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl11<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, out R> : KFunction11<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, R>, Serializable {
+public abstract class KFunction11Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, out R> : KFunction11<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl12<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, out R> : KFunction12<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, R>, Serializable {
+public abstract class KFunction12Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, out R> : KFunction12<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl13<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, out R> : KFunction13<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, R>, Serializable {
+public abstract class KFunction13Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, out R> : KFunction13<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl14<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, out R> : KFunction14<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, R>, Serializable {
+public abstract class KFunction14Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, out R> : KFunction14<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl15<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, out R> : KFunction15<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, R>, Serializable {
+public abstract class KFunction15Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, out R> : KFunction15<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl16<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, out R> : KFunction16<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, R>, Serializable {
+public abstract class KFunction16Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, out R> : KFunction16<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl17<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, out R> : KFunction17<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, R>, Serializable {
+public abstract class KFunction17Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, out R> : KFunction17<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl18<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, out R> : KFunction18<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, R>, Serializable {
+public abstract class KFunction18Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, out R> : KFunction18<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl19<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, out R> : KFunction19<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, R>, Serializable {
+public abstract class KFunction19Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, out R> : KFunction19<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl20<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, out R> : KFunction20<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, R>, Serializable {
+public abstract class KFunction20Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, out R> : KFunction20<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl21<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, out R> : KFunction21<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, R>, Serializable {
+public abstract class KFunction21Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, out R> : KFunction21<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KFunctionImpl22<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, in P22, out R> : KFunction22<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, P22, R>, Serializable {
+public abstract class KFunction22Impl<in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, in P22, out R> : KFunction22<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, P22, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
diff --git a/core/runtime.jvm/src/kotlin/reflect/KMemberFunctionsImpl.kt b/core/runtime.jvm/src/kotlin/reflect/jvm/internal/KMemberFunctionsImpl.kt
similarity index 80%
rename from core/runtime.jvm/src/kotlin/reflect/KMemberFunctionsImpl.kt
rename to core/runtime.jvm/src/kotlin/reflect/jvm/internal/KMemberFunctionsImpl.kt
index d5d80905596..af64bae9e27 100644
--- a/core/runtime.jvm/src/kotlin/reflect/KMemberFunctionsImpl.kt
+++ b/core/runtime.jvm/src/kotlin/reflect/jvm/internal/KMemberFunctionsImpl.kt
@@ -16,76 +16,76 @@
 
 // Auto-generated file. DO NOT EDIT!
 
-package kotlin.reflect
+package kotlin.reflect.jvm.internal
 
 import java.io.Serializable
 
-public abstract class KMemberFunctionImpl0<in T, out R> : KMemberFunction0<T, R>, Serializable {
+public abstract class KMemberFunction0Impl<in T, out R> : KMemberFunction0<T, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl1<in T, in P1, out R> : KMemberFunction1<T, P1, R>, Serializable {
+public abstract class KMemberFunction1Impl<in T, in P1, out R> : KMemberFunction1<T, P1, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl2<in T, in P1, in P2, out R> : KMemberFunction2<T, P1, P2, R>, Serializable {
+public abstract class KMemberFunction2Impl<in T, in P1, in P2, out R> : KMemberFunction2<T, P1, P2, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl3<in T, in P1, in P2, in P3, out R> : KMemberFunction3<T, P1, P2, P3, R>, Serializable {
+public abstract class KMemberFunction3Impl<in T, in P1, in P2, in P3, out R> : KMemberFunction3<T, P1, P2, P3, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl4<in T, in P1, in P2, in P3, in P4, out R> : KMemberFunction4<T, P1, P2, P3, P4, R>, Serializable {
+public abstract class KMemberFunction4Impl<in T, in P1, in P2, in P3, in P4, out R> : KMemberFunction4<T, P1, P2, P3, P4, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl5<in T, in P1, in P2, in P3, in P4, in P5, out R> : KMemberFunction5<T, P1, P2, P3, P4, P5, R>, Serializable {
+public abstract class KMemberFunction5Impl<in T, in P1, in P2, in P3, in P4, in P5, out R> : KMemberFunction5<T, P1, P2, P3, P4, P5, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl6<in T, in P1, in P2, in P3, in P4, in P5, in P6, out R> : KMemberFunction6<T, P1, P2, P3, P4, P5, P6, R>, Serializable {
+public abstract class KMemberFunction6Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, out R> : KMemberFunction6<T, P1, P2, P3, P4, P5, P6, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl7<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, out R> : KMemberFunction7<T, P1, P2, P3, P4, P5, P6, P7, R>, Serializable {
+public abstract class KMemberFunction7Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, out R> : KMemberFunction7<T, P1, P2, P3, P4, P5, P6, P7, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl8<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, out R> : KMemberFunction8<T, P1, P2, P3, P4, P5, P6, P7, P8, R>, Serializable {
+public abstract class KMemberFunction8Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, out R> : KMemberFunction8<T, P1, P2, P3, P4, P5, P6, P7, P8, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl9<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, out R> : KMemberFunction9<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, R>, Serializable {
+public abstract class KMemberFunction9Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, out R> : KMemberFunction9<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl10<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, out R> : KMemberFunction10<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, R>, Serializable {
+public abstract class KMemberFunction10Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, out R> : KMemberFunction10<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl11<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, out R> : KMemberFunction11<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, R>, Serializable {
+public abstract class KMemberFunction11Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, out R> : KMemberFunction11<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl12<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, out R> : KMemberFunction12<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, R>, Serializable {
+public abstract class KMemberFunction12Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, out R> : KMemberFunction12<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl13<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, out R> : KMemberFunction13<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, R>, Serializable {
+public abstract class KMemberFunction13Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, out R> : KMemberFunction13<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl14<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, out R> : KMemberFunction14<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, R>, Serializable {
+public abstract class KMemberFunction14Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, out R> : KMemberFunction14<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl15<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, out R> : KMemberFunction15<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, R>, Serializable {
+public abstract class KMemberFunction15Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, out R> : KMemberFunction15<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl16<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, out R> : KMemberFunction16<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, R>, Serializable {
+public abstract class KMemberFunction16Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, out R> : KMemberFunction16<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl17<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, out R> : KMemberFunction17<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, R>, Serializable {
+public abstract class KMemberFunction17Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, out R> : KMemberFunction17<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl18<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, out R> : KMemberFunction18<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, R>, Serializable {
+public abstract class KMemberFunction18Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, out R> : KMemberFunction18<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl19<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, out R> : KMemberFunction19<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, R>, Serializable {
+public abstract class KMemberFunction19Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, out R> : KMemberFunction19<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl20<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, out R> : KMemberFunction20<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, R>, Serializable {
+public abstract class KMemberFunction20Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, out R> : KMemberFunction20<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl21<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, out R> : KMemberFunction21<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, R>, Serializable {
+public abstract class KMemberFunction21Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, out R> : KMemberFunction21<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
-public abstract class KMemberFunctionImpl22<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, in P22, out R> : KMemberFunction22<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, P22, R>, Serializable {
+public abstract class KMemberFunction22Impl<in T, in P1, in P2, in P3, in P4, in P5, in P6, in P7, in P8, in P9, in P10, in P11, in P12, in P13, in P14, in P15, in P16, in P17, in P18, in P19, in P20, in P21, in P22, out R> : KMemberFunction22<T, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, P22, R>, Serializable {
     override fun toString() = "${getClass().getGenericSuperclass()}"
 }
diff --git a/generators/src/org/jetbrains/jet/generators/builtins/functions.kt b/generators/src/org/jetbrains/jet/generators/builtins/functions.kt
index 461db07513b..2b4dacb2c86 100644
--- a/generators/src/org/jetbrains/jet/generators/builtins/functions.kt
+++ b/generators/src/org/jetbrains/jet/generators/builtins/functions.kt
@@ -34,9 +34,9 @@ enum class FunctionKind(
     K_EXTENSION_FUNCTION : FunctionKind("KExtensionFunction", true, "ExtensionFunction")
 
     fun getFileName() = (if (isReflection()) "reflect/" else "") + classNamePrefix + "s.kt"
-    fun getImplFileName() = "reflect/" + classNamePrefix + "sImpl.kt"
+    fun getImplFileName() = "reflect/jvm/internal/${classNamePrefix}sImpl.kt"
     fun getClassName(i: Int) = classNamePrefix + i
-    fun getImplClassName(i: Int) = classNamePrefix + "Impl" + i
+    fun getImplClassName(i: Int) = classNamePrefix + i + "Impl"
     fun getSuperClassName(i: Int) = superClassNamePrefix?.plus(i)
 
     fun isReflection() = superClassNamePrefix != null
@@ -103,7 +103,9 @@ class GenerateFunctions(out: PrintWriter, kind: FunctionKind) : GenerateFunction
     }
 }
 
-class GenerateFunctionsImpl(out: PrintWriter, kind: FunctionKind) : GenerateFunctionsBase(out, kind) {
+class GenerateKFunctionsImpl(out: PrintWriter, kind: FunctionKind) : GenerateFunctionsBase(out, kind) {
+    override fun getPackage() = "kotlin.reflect.jvm.internal"
+
     override fun generateBody() {
         out.println("import java.io.Serializable")
         out.println()
diff --git a/generators/src/org/jetbrains/jet/generators/builtins/generateBuiltIns.kt b/generators/src/org/jetbrains/jet/generators/builtins/generateBuiltIns.kt
index 5a8fc43c3ed..b3952068cbf 100644
--- a/generators/src/org/jetbrains/jet/generators/builtins/generateBuiltIns.kt
+++ b/generators/src/org/jetbrains/jet/generators/builtins/generateBuiltIns.kt
@@ -61,7 +61,7 @@ fun generateBuiltIns(generate: (File, (PrintWriter) -> BuiltInsSourceGenerator)
     for (kind in FunctionKind.values()) {
         if (kind.isReflection()) {
             generate(File(REFLECTION_DIR, kind.getFileName())) { GenerateFunctions(it, kind) }
-            generate(File(RUNTIME_JVM_DIR, kind.getImplFileName()), { GenerateFunctionsImpl(it, kind) })
+            generate(File(RUNTIME_JVM_DIR, kind.getImplFileName()), { GenerateKFunctionsImpl(it, kind) })
         }
         else {
             generate(File(BUILT_INS_SRC_DIR, kind.getFileName())) { GenerateFunctions(it, kind) }