import type { ConversationCache } from "../../conversation-cache";
import type { CacheMetadataRepository } from "../../db/repositories/cacheMetadata.repository";
import type { ConversationsRepository } from "../../db/repositories/conversations.repository";
import type { ProjectsRepository } from "../../db/repositories/projects.repository";
export interface RefreshConversationCacheDeps {
    cache: ConversationCache;
    projectsRepo: ProjectsRepository;
    conversationsRepo: ConversationsRepository;
    cacheMetadataRepo: CacheMetadataRepository;
}
export interface RefreshConversationCacheResult {
    projectsTouched: number;
    conversationsBackfilled: number;
    latestConversationId: string | null;
}
/**
 * After a scanner-driven cache rebuild has run, walk the cache to:
 *   1. Upsert one project row per unique canonical project_path.
 *   2. Backfill conversation_meta.project_id for any rows missing it.
 *   3. Update cache_metadata.last_conversation_id so subsequent freshness
 *      checks can short-circuit.
 *
 * The scanner itself runs in `server.ts` today; this function picks up
 * after it has populated `conversation_meta`.
 */
export declare function refreshConversationCache(deps: RefreshConversationCacheDeps): RefreshConversationCacheResult;
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