Prelude API
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    Type Alias Failure

    type Failure = {
        expected: Expected;
        ok: false;
        path: Segment[];
        received: unknown;
    }
    Index
    expected: Expected
    ok: false
    path: Segment[]

    From the outermost container down to the failing value.

    received: unknown

    The failing value itself (the innermost one, not the container).