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tests/cases/compiler/classImplementsClass4.ts(5,7): error TS2420: Class 'C' incorrectly implements interface 'A'.
Property 'x' is missing in type 'C'.
tests/cases/compiler/classImplementsClass4.ts(16,1): error TS2322: Type 'C' is not assignable to type 'C2'.
Property 'x' is missing in type 'C'.
==== tests/cases/compiler/classImplementsClass4.ts (2 errors) ====
class A {
private x = 1;
foo(): number { return 1; }
}
class C implements A {
~
!!! error TS2420: Class 'C' incorrectly implements interface 'A'.
!!! error TS2420: Property 'x' is missing in type 'C'.
foo() {
return 1;
}
}
class C2 extends A {}
var c: C;
var c2: C2;
c = c2;
c2 = c;
~~
!!! error TS2322: Type 'C' is not assignable to type 'C2'.
!!! error TS2322: Property 'x' is missing in type 'C'.
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