==== tests/cases/compiler/implementPublicPropertyAsPrivate.ts (1 errors) ====
    interface I {
        x: number;
    }
    class C implements I {
          ~
!!! implementPublicPropertyAsPrivate.ts(4,7): error TS2137: Class C declares interface I but does not implement it:
!!! 	Property 'x' defined as private in type 'C' is defined as public in type 'I'.
        private x = 0; // should raise error at class decl
    }