import type { NextFn } from '@nhtio/middleware';
/**
 * Execute an asynchronous middleware onion around a terminal operation.
 *
 * A fresh runner is deliberately created for each invocation: middleware runners are single-use.
 * Errors are captured and re-thrown unchanged — including a thrown `undefined`, which a
 * value-based sentinel would silently swallow — while a chain that stops without invoking its
 * terminal operation is reported through `onNoNext`.
 */
export declare const runOnion: <Ctx, Res>(ctx: Ctx, use: readonly ((ctx: Ctx, next: NextFn) => void | Promise<void>)[], core: () => Promise<Res>, onNoNext: () => never) => Promise<Res>;