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=== tests/cases/compiler/unionTypeParameterInference.ts ===
// Regression test for #5861
interface Foo<T> { prop: T; }
>prop : T
declare function lift<U>(value: U | Foo<U>): Foo<U>;
>lift : <U>(value: U | Foo<U>) => Foo<U>
>value : U | Foo<U>
function unlift<U>(value: U | Foo<U>): U {
>unlift : <U>(value: U | Foo<U>) => U
>value : U | Foo<U>
return lift(value).prop;
>lift(value).prop : U
>lift(value) : Foo<U>
>lift : <U>(value: U | Foo<U>) => Foo<U>
>value : U | Foo<U>
>prop : U
}
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