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=== tests/cases/conformance/classes/classDeclarations/classHeritageSpecification/classIsSubtypeOfBaseType.ts ===
class Base<T> {
>Base : Base<T>
foo: T;
>foo : T
}
class Derived extends Base<{ bar: string; }> {
>Derived : Derived
>Base : Base<{ bar: string; }>
>bar : string
foo: {
>foo : { bar: string; baz: number; }
bar: string; baz: number; // ok
>bar : string
>baz : number
}
}
class Derived2 extends Base<{ bar: string; }> {
>Derived2 : Derived2
>Base : Base<{ bar: string; }>
>bar : string
foo: {
>foo : { bar?: string; }
bar?: string; // error
>bar : string
}
}
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