/**
 * Git recency metric — recently modified files score higher.
 *
 * Runs a single `git log` command to get last-modified timestamps for all
 * files, then applies linear decay scoring.
 */
import type { StoredChunk } from "../types.js";
/**
 * Compute git recency scores based on when files were last modified.
 * More recently modified files score higher.
 * Falls back gracefully if git is unavailable.
 */
export declare function computeGitRecencyScores(projectRoot: string, chunks: StoredChunk[]): Promise<Map<number, number>>;
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