/**
 * Federation registry — load/save/add/remove/list the project-local
 * `.openlore/federation.json` index-of-indexes manifest, plus per-repo index
 * liveness evaluation.
 *
 * The registry is intentionally tiny and synchronous: it references repos, it is
 * never a build artifact. Adding or removing a repo edits only this file (and that
 * repo builds its own index independently) — never a global rebuild.
 */
import { type ConsultedRepo, type FederationRegistry, type FederationRepoEntry, type RepoIndexState } from './types.js';
/** Absolute path to the federation manifest inside a home repo's `.openlore/`. */
export declare function federationManifestPath(homeDir: string): string;
/**
 * Read a repo's current index fingerprint hash, or null when the repo has no
 * built index (or the file is unreadable/malformed).
 */
export declare function readRepoFingerprint(repoPath: string): string | null;
/**
 * Load the federation registry for a home repo. Returns an empty registry when no
 * manifest exists. Throws only on a present-but-corrupt manifest, so a typo never
 * silently degrades to "no federation".
 */
export declare function loadRegistry(homeDir: string): FederationRegistry;
/** Persist the registry atomically (write-tmp-then-rename) under `.openlore/`. */
export declare function saveRegistry(homeDir: string, registry: FederationRegistry): void;
/**
 * Add (or refresh) a repo in the home repo's federation registry. Reads the
 * target's live fingerprint at registration time; a missing index is allowed
 * (recorded with an empty fingerprint) so a repo can be registered before its
 * first `openlore analyze`. De-duplicates by absolute path; a duplicate path
 * refreshes the existing entry rather than appending.
 */
export declare function addRepo(homeDir: string, repoPath: string, opts?: {
    name?: string;
    now?: string;
}): {
    registry: FederationRegistry;
    entry: FederationRepoEntry;
};
/** Remove a repo by name or absolute/relative path. Returns true if one was removed. */
export declare function removeRepo(homeDir: string, nameOrPath: string): boolean;
/** List registry entries (sorted by name). */
export declare function listRepos(homeDir: string): FederationRepoEntry[];
/** Classify a registry entry's live index state without loading the graph. */
export declare function evaluateRepoState(entry: FederationRepoEntry): RepoIndexState;
/** Build a ConsultedRepo status record (consulted flag set by the caller). */
export declare function repoStatus(entry: FederationRepoEntry, consulted: boolean): ConsultedRepo;
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