Support KPackage.members, functions and properties

core/builtins/src/kotlin/reflect/KClass.kt

@@ -42,7 +42,7 @@ public interface KClass<T> : KDeclarationContainer {
      * All functions and properties accessible in this class, including those declared in this class
      * and all of its superclasses. Does not include constructors.
      */
-    public val members: Collection<KCallable<*>>
+    override val members: Collection<KCallable<*>>
 
     /**
      * All constructors declared in this class.

core/builtins/src/kotlin/reflect/KDeclarationContainer.kt

@@ -20,4 +20,9 @@ package kotlin.reflect
  * Represents an entity which may contain declarations of any other entities,
  * such as a class or a package.
  */
-public interface KDeclarationContainer
+public interface KDeclarationContainer {
+    /**
+     * All functions and properties accessible in this container.
+     */
+    public val members: Collection<KCallable<*>>
+}