import { type PolicyHandle } from './types';
export type ResilientFetch = (input: string | URL, init?: RequestInit) => Promise<Response>;
/**
 * Wraps the global `fetch` in the supplied policy. Per-attempt AbortSignal is
 * forwarded so a timeout actually closes the socket rather than letting the
 * receiver respond into a discarded promise.
 *
 * Retry behaviour:
 *  - Network errors → retry per policy.
 *  - 5xx + 408/425/429 → retry (the failed Response is converted to an Error).
 *  - Other 4xx → throw NonRetriable, which bypasses the retry policy.
 *
 * The returned Response is always fully buffered — see `bufferResponse`. This
 * is a deliberate non-streaming contract: `ResilientFetch` is for
 * service-to-service RPC, where responses are small and the caller reads the
 * whole body anyway.
 */
export declare function resilientFetch(policy: PolicyHandle): ResilientFetch;
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