import { type TSetUnionMany } from "https://deno.land/x/typebox@0.34.0/src/type/sets/set.ts";
definition: (T extends [infer L extends PropertyKey[], ...infer R extends PropertyKey[][]] ? TSetUnionMany<R, TSetUnion<Acc, L>> : Acc)
import { type TSetUnionMany } from "https://deno.land/x/typebox@0.34.0/src/type/sets/set.ts";