export type ClaudeMirrorStatus = 
/** No mirror candidate at all (no proxy configured, or a non-mirrorable url). */
'absent'
/** Probing the host for a self-hosted mirror (or minting one on first view). */
 | 'probing'
/** A mirror exists and `src` points at it. */
 | 'found';
export interface ClaudeMirrorState {
    /** The mirror src when found (with a cache-bust once a re-publish is
     *  detected), else `null`. */
    src: string | null;
    status: ClaudeMirrorStatus;
}
/**
 * The host's SELF-HOSTED MIRROR src for a claude artifact url, plus a
 * `status` so the viewer can show a loading state while it resolves — THE
 * hook behind `ClaudeEmbed`'s transparent mirror leg, extracted so the
 * component stays presentational.
 *
 * Fully under the hood, three moves:
 *   1. Derive the candidate mirror path from the url's artifact id under the
 *      host's configured storage-view proxy base
 *      (`EndpointsRuntime.storageViewBaseUrl`) and probe it with a 1-byte
 *      ranged GET. On a cold first view that probe IS the server-side
 *      self-heal (~1-2s), which is exactly why `status: 'probing'` exists —
 *      the viewer shows a spinner instead of the empty "no embeddable view"
 *      flash. Exists → `found`; missing / no proxy / blip → `absent`, and the
 *      caller's claude.ai fallback stands (the pre-mirror behavior).
 *   2. Once found, fire ONE background revalidation. If the artifact was
 *      re-published since the mirror was cached, the server re-mints it and
 *      reports the new version; the hook bumps a cache-bust on `src` so the
 *      iframe silently reloads the fresh bytes. Unchanged → nothing happens.
 *
 * A host that mounts no EndpointsRuntime provider (or omits the entry) skips
 * the mirror leg entirely (`absent`).
 */
export declare function useClaudeMirrorSrc(url: string): ClaudeMirrorState;
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