tests/cases/compiler/classExtendsInterfaceThatExtendsClassWithPrivates1.ts(10,7): error TS2420: Class 'D2' incorrectly implements interface 'I'.
  Types have separate declarations of a private property 'x'.


==== tests/cases/compiler/classExtendsInterfaceThatExtendsClassWithPrivates1.ts (1 errors) ====
    class C {
        public foo(x: any) { return x; }
        private x = 1;
    }
    
    interface I extends C {
        other(x: any): any;
    }
    
    class D2 implements I {
          ~~
!!! error TS2420: Class 'D2' incorrectly implements interface 'I'.
!!! error TS2420:   Types have separate declarations of a private property 'x'.
        public foo(x: any) { return x }
        private x = 3;
        other(x: any) { return x }
    }