import type { ApiSimulator } from './types.js';
export interface FetchHandlerOptions {
    maxBodyBytes?: number;
}
export interface SimulatorFetchOptions {
    /**
     * What to do when no simulated endpoint matches.
     * `throw` (default) raises `EndpointNotFoundError`.
     * `passthrough` forwards to `fetch` (or `globalThis.fetch`).
     */
    unmatched?: 'throw' | 'passthrough';
    /** Live fetch used for passthrough. Defaults to `globalThis.fetch`. */
    fetch?: typeof globalThis.fetch;
    maxBodyBytes?: number;
}
/**
 * WHATWG Request/Response adapter for edge runtimes, Deno, Bun, and Next.js route handlers.
 * Unmatched requests return a 404 JSON body.
 */
export declare const createFetchHandler: (simulator: ApiSimulator, options?: FetchHandlerOptions) => (request: Request) => Promise<Response>;
/**
 * Client-side `fetch` interceptor. Inject into vendor HTTP clients instead of
 * branching live vs simulation at each call site.
 *
 * Undici: pass the returned function as `fetch` (or as the `fetch` option on
 * `undici.fetch` / a custom Agent). This package does not bundle an undici
 * `Dispatcher` subclass.
 */
export declare const createSimulatorFetch: (simulator: ApiSimulator, options?: SimulatorFetchOptions) => typeof globalThis.fetch;
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