==== tests/cases/compiler/subtypingWithObjectMembersAccessibility.ts (3 errors) ====
    // Derived member is private, base member is not causes errors
    
    class Base {
        foo: string;
    }
    
    class Derived extends Base {
        bar: string;
    }
    
    class A {
        public foo: Base;
    }
    
    class B extends A {
          ~
!!! subtypingWithObjectMembersAccessibility.ts(15,7): error TS2141: Class 'B' cannot extend class 'A':
!!! 	Property 'foo' defined as private in type 'B' is defined as public in type 'A'.
        private foo: Derived; // error
    }
    
    class A2 {
        public 1: Base; 
    }
    
    class B2 extends A2 {
          ~~
!!! subtypingWithObjectMembersAccessibility.ts(23,7): error TS2141: Class 'B2' cannot extend class 'A2':
!!! 	Property '1' defined as private in type 'B2' is defined as public in type 'A2'.
        private 1: Derived; // error
    }
    
    class A3 {
        public '1': Base;
    }
    
    class B3 extends A3 {
          ~~
!!! subtypingWithObjectMembersAccessibility.ts(31,7): error TS2141: Class 'B3' cannot extend class 'A3':
!!! 	Property ''1'' defined as private in type 'B3' is defined as public in type 'A3'.
        private '1': Derived; // error
    }