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z.SuperRefinement

import type { z } from "https://esm.sh/zod@3.25.76/index.d.cts"; 

const { SuperRefinement } = z;

type SuperRefinement<T> = (arg: T, ctx: RefinementCtx) => void | Promise<void>;

§Type Parameters

(arg: T, ctx: RefinementCtx) => void | Promise<void>