Introduce KProperty{0,1,2}.getDelegate

#KT-8384 In Progress

core/runtime.jvm/src/kotlin/jvm/internal/MutablePropertyReference0.java

@@ -47,4 +47,9 @@ public abstract class MutablePropertyReference0 extends MutablePropertyReference
     public KMutableProperty0.Setter getSetter() {
         return ((KMutableProperty0) getReflected()).getSetter();
     }
+
+    @Override
+    public Object getDelegate() {
+        return ((KMutableProperty0) getReflected()).getDelegate();
+    }
 }

core/runtime.jvm/src/kotlin/jvm/internal/MutablePropertyReference1.java

@@ -47,4 +47,9 @@ public abstract class MutablePropertyReference1 extends MutablePropertyReference
     public KMutableProperty1.Setter getSetter() {
         return ((KMutableProperty1) getReflected()).getSetter();
     }
+
+    @Override
+    public Object getDelegate(Object receiver) {
+        return ((KMutableProperty1) getReflected()).getDelegate(receiver);
+    }
 }

core/runtime.jvm/src/kotlin/jvm/internal/MutablePropertyReference2.java

@@ -40,4 +40,9 @@ public abstract class MutablePropertyReference2 extends MutablePropertyReference
     public KMutableProperty2.Setter getSetter() {
         return ((KMutableProperty2) getReflected()).getSetter();
     }
+
+    @Override
+    public Object getDelegate(Object receiver1, Object receiver2) {
+        return ((KMutableProperty2) getReflected()).getDelegate(receiver1, receiver2);
+    }
 }

core/runtime.jvm/src/kotlin/jvm/internal/PropertyReference0.java

@@ -42,4 +42,9 @@ public abstract class PropertyReference0 extends PropertyReference implements KP
     public KProperty0.Getter getGetter() {
         return ((KProperty0) getReflected()).getGetter();
     }
+
+    @Override
+    public Object getDelegate() {
+        return ((KProperty0) getReflected()).getDelegate();
+    }
 }

core/runtime.jvm/src/kotlin/jvm/internal/PropertyReference1.java

@@ -41,4 +41,9 @@ public abstract class PropertyReference1 extends PropertyReference implements KP
     public KProperty1.Getter getGetter() {
         return ((KProperty1) getReflected()).getGetter();
     }
+
+    @Override
+    public Object getDelegate(Object receiver) {
+        return ((KProperty1) getReflected()).getDelegate(receiver);
+    }
 }

core/runtime.jvm/src/kotlin/jvm/internal/PropertyReference2.java

@@ -34,4 +34,9 @@ public abstract class PropertyReference2 extends PropertyReference implements KP
     public KProperty2.Getter getGetter() {
         return ((KProperty2) getReflected()).getGetter();
     }
+
+    @Override
+    public Object getDelegate(Object receiver1, Object receiver2) {
+        return ((KProperty2) getReflected()).getDelegate(receiver1, receiver2);
+    }
 }