/**
 * Discovery-cache I/O — mirrors the shape of catalog-cache but keyed to the
 * last `slaminar discover` result so repeated invocations in setup don't
 * re-walk the filesystem unnecessarily.
 */
import type { DiscoveryCacheEntry, DiscoveryResult } from '../types/index.js';
export declare const DEFAULT_DISCOVERY_TTL_MS: number;
export declare const DISCOVERY_CACHE_FILENAME = "discovery-cache.json";
export declare function getDiscoveryCachePath(): string;
export declare function loadDiscoveryCache(): DiscoveryCacheEntry | null;
export declare function saveDiscoveryCache(result: DiscoveryResult): string;
export declare function isDiscoveryCacheValid(entry: DiscoveryCacheEntry, ttlMs?: number): boolean;