Type Alias _Positive<T, U, $O>
_Positive<T, U, $O>: T extends U & infer R ? `${T}` extends `-${string}` ? $ResolveBranch<T, $O, [$Else]> : U extends T ? $ResolveBranch<T, $O, [$Then]> | $ResolveBranch<T, $O, [$Else]> : [T, R] extends [R, T] ? $ResolveBranch<T, $O, [$Then]> : $ResolveBranch<number, $O, [$Then]> | $ResolveBranch<T, $O, [$Else]> : never