import { type SomeParsers } from "https://deno.land/x/ts_matches@v5.4.0/src/parsers/some-parser.ts";
definition: T extends [] | readonly [] ? IParser<unknown, any> : T extends [infer A] | readonly [infer A] ? EnsureParser<A> : T extends [infer A, ...infer B] | readonly [infer A, ...infer B] ? OrParser<A, SomeParsers<B>> : T extends Array<infer A> | ReadonlyArray<infer A> ? A : never