xk

```ts type ParseUrlParams = T extends `${string}:${infer R}` ? R extends `${infer P}/${infer L}` ? P | ParseUrlParams : R : never ```

```ts type LessThan = A extends [infer AF, ...infer ARest extends any[]] ? B extends [infer BF, ...infer BRest extends any[]] ? LessThan : false : A['length'] extends B['length'] ?...