=== tests/cases/compiler/indexedAccessRelation.ts ===
// Repro from #14723

class Component<S> {
>Component : Component<S>

    setState<K extends keyof S>(state: Pick<S, K>) {}
>setState : <K extends keyof S>(state: Pick<S, K>) => void
>state : Pick<S, K>
}

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

class Foo {}
>Foo : Foo

class Comp<T extends Foo, S> extends Component<S & State<T>>
>Comp : Comp<T, S>
>Component : Component<S & State<T>>
{
    foo(a: T) {
>foo : (a: T) => void
>a : T

        this.setState({ a: a });
>this.setState({ a: a }) : void
>this.setState : <K extends keyof S | "a">(state: Pick<S & State<T>, K>) => void
>this : this
>setState : <K extends keyof S | "a">(state: Pick<S & State<T>, K>) => void
>{ a: a } : { a: T; }
>a : T
>a : T
    }
}

