==== tests/cases/conformance/classes/members/inheritanceAndOverriding/derivedClassWithPrivateInstanceShadowingPublicInstance.ts (13 errors) ====
    class Base {
        public x: string;
        public fn(): string {
            return '';
        }
    
        public get a() { return 1; }
                   ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
        public set a(v) { }
                   ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
    }
    
    // error, not a subtype
    class Derived extends Base {
          ~~~~~~~
!!! Class 'Derived' incorrectly extends base class 'Base':
!!!   Private property 'x' cannot be reimplemented.
        private x: string; 
        private fn(): string {
            return '';
        }
    
        private get a() { return 1; }
                    ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
        private set a(v) { }
                    ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
    }
    
    var r = Base.x; // ok
                 ~
!!! Property 'x' does not exist on type 'typeof Base'.
    var r2 = Derived.x; // error
                     ~
!!! Property 'x' does not exist on type 'typeof Derived'.
    
    var r3 = Base.fn(); // ok
                  ~~
!!! Property 'fn' does not exist on type 'typeof Base'.
    var r4 = Derived.fn(); // error
                     ~~
!!! Property 'fn' does not exist on type 'typeof Derived'.
    
    var r5 = Base.a; // ok
                  ~
!!! Property 'a' does not exist on type 'typeof Base'.
    Base.a = 2; // ok
         ~
!!! Property 'a' does not exist on type 'typeof Base'.
    
    var r6 = Derived.a; // error
                     ~
!!! Property 'a' does not exist on type 'typeof Derived'.
    Derived.a = 2; // error
            ~
!!! Property 'a' does not exist on type 'typeof Derived'.