import type { HttpMethod, MisinaPlugin, MisinaRequestInit } from "../types.mjs";
export interface DedupeOptions {
	/** Compute a dedupe key. Default: `${method} ${url}`. */
	key?: (input: string, init?: MisinaRequestInit) => string;
	/** Methods eligible for de-duplication. Default: GET/HEAD/OPTIONS. */
	methods?: HttpMethod[];
}
/**
* Plugin that collapses concurrent identical requests onto a single
* in-flight promise. Each waiter receives the same `MisinaResponse` —
* `response.raw` is shared, so callers wanting to re-read the body via
* `.raw.text()` should clone it first.
*
* Defaults to safe methods only — de-duping POST is risky.
*/
export declare function dedupe(opts?: DedupeOptions): MisinaPlugin;