==== tests/cases/compiler/publicMemberImplementedAsPrivateInDerivedClass.ts (1 errors) ====
    interface Qux {
     Bar: number;
    }
    class Foo implements Qux {
          ~~~
!!! publicMemberImplementedAsPrivateInDerivedClass.ts(4,7): error TS2137: Class Foo declares interface Qux but does not implement it:
!!! 	Property 'Bar' defined as private in type 'Foo' is defined as public in type 'Qux'.
     private Bar: number;
    }
    