/** Minimal cache interface exposed for on-demand cache expiration. */
interface ISRCache {
	expire(key: string): Promise<void>;
	expireAll(): Promise<void>;
}
/** @internal Register the ISR cache instance on globalThis for cross-module access. */
declare function registerCache(instance: ISRCache): void;
/**
* Expire an ISR cache entry by its pathname. The entry is deleted from the
* cache and will be re-rendered on the next request (lazy revalidation).
*
* No-op when ISR is not enabled — safe to call unconditionally.
*
* @example
* ```ts
* import { unstable_expirePath } from "@wyattjoh/astro-bun-adapter/cache";
*
* // In an API route or middleware:
* await unstable_expirePath("/blog/my-post");
* ```
*/
declare function unstable_expirePath(pathname: string): Promise<void>;
/**
* Expire all ISR cache entries. Every cached page is deleted and will be
* re-rendered on the next request (lazy revalidation).
*
* No-op when ISR is not enabled — safe to call unconditionally.
*
* @example
* ```ts
* import { unstable_expireAll } from "@wyattjoh/astro-bun-adapter/cache";
*
* // In an API route or middleware:
* await unstable_expireAll();
* ```
*/
declare function unstable_expireAll(): Promise<void>;
export { unstable_expirePath, unstable_expireAll, registerCache };