Type Alias ConcatReturnTypes<T>

ConcatReturnTypes: T extends readonly []
    ? Record<never, never>
    : T extends readonly [infer First, ...(infer Rest)]
        ? First extends Func
            ? Awaited<ReturnType<First>> & ConcatReturnTypes<
                Rest extends readonly Func[] ? Rest : [],
            >
            : Record<never, never>
        : Record<never, never>