export type RequiredRecursively<T> = Exclude<
  T extends string | number | boolean | Function | RegExp
    ? T
    : {
        [P in keyof T]-?: T[P] extends Array<infer U>
          ? Array<RequiredRecursively<U>>
          : T[P] extends Array<infer U>
          ? Array<RequiredRecursively<U>>
          : RequiredRecursively<T[P]>;
      },
  null | undefined
>;