File: indexedAccessRelation.ts

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// Repro from #14723

class Component<S> {
    setState<K extends keyof S>(state: Pick<S, K>) {}
}

export interface State<T> {
    a?: T;
}

class Foo {}

class Comp<T extends Foo, S> extends Component<S & State<T>>
{
    foo(a: T) {
        this.setState({ a: a });
    }
}