File: typeGuardNarrowsIndexedAccessOfKnownProperty11.types

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=== tests/cases/compiler/typeGuardNarrowsIndexedAccessOfKnownProperty11.ts ===
enum E { A, B }
>E : E
>A : E.A
>B : E.B

declare const m: { [K in E]: string | null };
>m : { 0: string | null; 1: string | null; }

if (m[E.A] !== null) {
>m[E.A] !== null : boolean
>m[E.A] : string | null
>m : { 0: string | null; 1: string | null; }
>E.A : E.A
>E : typeof E
>A : E.A

    m[E.A].toString(); // string
>m[E.A].toString() : string
>m[E.A].toString : () => string
>m[E.A] : string
>m : { 0: string | null; 1: string | null; }
>E.A : E.A
>E : typeof E
>A : E.A
>toString : () => string
}