import type { FafData } from '../core/types.js';
/**
 * Enrich .faf data with facts DETECTED from the repo at export time, so a lean
 * or stale .faf still yields a complete AGENTS.md — the "frictionless, any repo"
 * goal. Fill-if-absent: hand-authored .faf values always WIN; detection only
 * fills the gaps. Pure (returns a shallow copy; never mutates the input).
 *
 * Detects: build/test/lint commands, key files/entry points, and secrets
 * (.env presence — location only, never the values).
 */
export declare function enrichFromRepo(dir: string, data: FafData): FafData;