Interface CTEOrderBy<T>

interface CTEOrderBy<T> {
    direction: "asc" | "desc";
    field: T extends object
        ? | Extract<keyof T, string>
        | `${Extract<keyof T, string>}.${NonNullable<T[Extract<keyof T, string>]> extends object
            ?
                | Extract<keyof NonNullable<T[Extract<keyof (...), string>]>, string>
                | `${Extract<keyof NonNullable<T[Extract<(...), (...)>]>, string>}.${NonNullable<
                    NonNullable<(...)[(...)]>[Extract<keyof (...), string>],
                > extends object
                    ?
                        | Extract<keyof NonNullable<(...)>, string>
                        | `${Extract<keyof (...), string>}.${Extract<keyof (...), string>}`
                    : never}`
            : never}`
        : never;
}