Type Alias DuplicateStatusCode<Elm, Arr, Seen, Duplication>

DuplicateStatusCode: Arr extends Readonly<
    [infer Head extends Elm, ...(infer Tail extends Elm[])],
>
    ? Head extends Seen[number]
        ? DuplicateStatusCode<Elm, Tail, Seen, [...Duplication, Head]>
        : DuplicateStatusCode<Elm, Tail, [...Seen, Head], Duplication>
    : Duplication

The type that identifies duplicate elements in a tuple.
If there are no duplicates, it returns an empty tuple.

Elm extends UserDefinedStatusCode<ResponsesConfig>
The type of elements in the tuple (Elm extends UserDefinedStatusCode).
Arr extends Readonly<Elm[]>
The tuple type to check for duplicates (Arr extends Readonly<Elm[]>).
Seen extends Readonly<Elm[]> = []
The tuple type that keeps track of seen elements (default is an empty tuple).
Duplication extends Readonly<Elm[]> = []
The tuple type that accumulates duplicate elements (default is an empty tuple).