[K/N] Internalize KPropertyImpl classes

As a part of efforts to stabilize Native stdlib.

kotlin-native/runtime/src/main/kotlin/kotlin/native/internal/KPropertyImpl.kt

@@ -8,7 +8,8 @@ package kotlin.native.internal
 import kotlin.UnsupportedOperationException
 import kotlin.reflect.*
 
-abstract class KProperty0ImplBase<out R> : KProperty0<R> {
+@PublishedApi
+internal abstract class KProperty0ImplBase<out R> : KProperty0<R> {
     abstract val getter: KFunction0<R>
     override val returnType get() = getter.returnType
 
@@ -21,7 +22,8 @@ abstract class KProperty0ImplBase<out R> : KProperty0<R> {
     }
 }
 
-final class KProperty0Impl<out R>(override val name: String, override val getter: KFunction0<R>) : KProperty0ImplBase<R>() {
+@PublishedApi
+internal final class KProperty0Impl<out R>(override val name: String, override val getter: KFunction0<R>) : KProperty0ImplBase<R>() {
     override fun equals(other: Any?): Boolean {
         val otherKProperty = other as? KProperty0Impl<*>
         if (otherKProperty == null) return false
@@ -37,7 +39,8 @@ final class KProperty0Impl<out R>(override val name: String, override val getter
     }
 }
 
-abstract class KProperty1ImplBase<T, out R> : KProperty1<T, R> {
+@PublishedApi
+internal abstract class KProperty1ImplBase<T, out R> : KProperty1<T, R> {
     abstract val getter: KFunction1<T, R>
     override val returnType get() = getter.returnType
 
@@ -50,7 +53,8 @@ abstract class KProperty1ImplBase<T, out R> : KProperty1<T, R> {
     }
 }
 
-class KProperty1Impl<T, out R>(override val name: String, override val getter: KFunction1<T, R>) : KProperty1ImplBase<T, R>() {
+@PublishedApi
+internal class KProperty1Impl<T, out R>(override val name: String, override val getter: KFunction1<T, R>) : KProperty1ImplBase<T, R>() {
     override fun equals(other: Any?): Boolean {
         val otherKProperty = other as? KProperty1Impl<*, *>
         if (otherKProperty == null) return false
@@ -67,7 +71,8 @@ class KProperty1Impl<T, out R>(override val name: String, override val getter: K
 }
 
 
-abstract class KProperty2ImplBase<T1, T2, out R> : KProperty2<T1, T2, R> {
+@PublishedApi
+internal abstract class KProperty2ImplBase<T1, T2, out R> : KProperty2<T1, T2, R> {
     abstract val getter: KFunction2<T1, T2, R>
     override val returnType get() = getter.returnType
 
@@ -80,7 +85,8 @@ abstract class KProperty2ImplBase<T1, T2, out R> : KProperty2<T1, T2, R> {
     }
 }
 
-class KProperty2Impl<T1, T2, out R>(override val name: String, override val getter: KFunction2<T1, T2, R>)
+@PublishedApi
+internal class KProperty2Impl<T1, T2, out R>(override val name: String, override val getter: KFunction2<T1, T2, R>)
     : KProperty2ImplBase<T1, T2, R>() {
     override fun equals(other: Any?): Boolean {
         val otherKProperty = other as? KProperty2Impl<*, *, *>
@@ -98,7 +104,8 @@ class KProperty2Impl<T1, T2, out R>(override val name: String, override val gett
 }
 
 
-class KMutableProperty0Impl<R>(override val name: String, override val getter: KFunction0<R>, val setter: (R) -> Unit)
+@PublishedApi
+internal class KMutableProperty0Impl<R>(override val name: String, override val getter: KFunction0<R>, val setter: (R) -> Unit)
     : KProperty0ImplBase<R>(), KMutableProperty0<R> {
     override fun set(value: R): Unit {
         setter(value)
@@ -119,7 +126,8 @@ class KMutableProperty0Impl<R>(override val name: String, override val getter: K
     }
 }
 
-class KMutableProperty1Impl<T, R>(override val name: String, override val getter: KFunction1<T, R>, val setter: (T, R) -> Unit)
+@PublishedApi
+internal class KMutableProperty1Impl<T, R>(override val name: String, override val getter: KFunction1<T, R>, val setter: (T, R) -> Unit)
     : KProperty1ImplBase<T, R>(), KMutableProperty1<T, R> {
     override fun set(receiver: T, value: R): Unit {
         setter(receiver, value)
@@ -140,7 +148,8 @@ class KMutableProperty1Impl<T, R>(override val name: String, override val getter
     }
 }
 
-class KMutableProperty2Impl<T1, T2, R>(
+@PublishedApi
+internal class KMutableProperty2Impl<T1, T2, R>(
         override val name: String,
         override val getter: KFunction2<T1, T2, R>,
         val setter: (T1, T2, R) -> Unit)
@@ -164,7 +173,8 @@ class KMutableProperty2Impl<T1, T2, R>(
     }
 }
 
-abstract class KLocalDelegatedPropertyImplBase<out R> : KProperty0<R> {
+@PublishedApi
+internal abstract class KLocalDelegatedPropertyImplBase<out R> : KProperty0<R> {
     override fun get(): R {
         throw UnsupportedOperationException("Not supported for local property reference.")
     }
@@ -174,13 +184,15 @@ abstract class KLocalDelegatedPropertyImplBase<out R> : KProperty0<R> {
     }
 }
 
-class KLocalDelegatedPropertyImpl<out R>(override val name: String, override val returnType: KType) : KLocalDelegatedPropertyImplBase<R>() {
+@PublishedApi
+internal class KLocalDelegatedPropertyImpl<out R>(override val name: String, override val returnType: KType) : KLocalDelegatedPropertyImplBase<R>() {
     override fun toString(): String {
         return "property $name (Kotlin reflection is not available)"
     }
 }
 
-class KLocalDelegatedMutablePropertyImpl<R>(override val name: String, override val returnType: KType) :
+@PublishedApi
+internal class KLocalDelegatedMutablePropertyImpl<R>(override val name: String, override val returnType: KType) :
         KLocalDelegatedPropertyImplBase<R>(), KMutableProperty0<R> {
     override fun set(value: R): Unit {
         throw UnsupportedOperationException("Not supported for local property reference.")