/**
 * Helpers for loading cached graph data from the local codeprism.db
 * for incremental re-index (--repo flag with multi-repo workspace).
 *
 * When re-indexing a single repo, we load cached graph_edges and file_index
 * for the OTHER repos so cross-service card generation still sees all repos.
 */
import type Database from "better-sqlite3";
export interface CachedGraphEdge {
    source_file: string;
    target_file: string;
    relation: string;
    metadata: string;
    repo: string;
}
export interface CachedFileEntry {
    path: string;
    repo: string;
    branch: string;
    file_role: string;
    parsed_data: string;
    heat_score: number;
    updated_at: string | null;
}
/**
 * Load graph_edges for the given repos from the existing DB.
 * Returns edges whose `repo` column matches any of the provided repo names.
 */
export declare function loadCachedGraphEdges(db: Database.Database, repos: string[]): CachedGraphEdge[];
/**
 * Load file_index entries for the given repos from the existing DB.
 */
export declare function loadCachedFileIndex(db: Database.Database, repos: string[]): CachedFileEntry[];
/**
 * Check if cached data for a set of repos is stale (older than maxAgeDays).
 * Returns repo names whose most recent file_index.updated_at is beyond the threshold.
 */
export declare function checkCacheStaleness(db: Database.Database, repos: string[], maxAgeDays?: number): string[];
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