export declare const TIA_DIR = "tia";
export declare const TIA_MAP_FILE = "map.json";
export declare const TIA_LAST_RECORDED_DAY_FILE = "last-recorded-day";
export interface TiaMap {
    version: 1;
    head_sha: string;
    recorded_at: string;
    instrumented_seconds: number;
    /** repo-relative path -> sha256 of its content at record time */
    file_hashes: Record<string, string>;
    /** test file (repo-relative) -> source files it executed */
    tests: Record<string, string[]>;
}
/** Built-in convention for what counts as a test file. */
export declare function isTestPath(rel: string): boolean;
export declare function tiaMapPath(mqDir: string): string;
export declare function readTiaMap(mqDir: string): TiaMap | null;
export declare function writeTiaMap(mqDir: string, map: TiaMap): void;
export declare function hashContent(buf: Buffer): string;
/** Parse NODE_V8_COVERAGE dumps. Attribution model: vitest/jest with an
 *  isolating pool run each test FILE in its own process, so each per-process
 *  dump containing test file T maps T to every project source the process
 *  loaded. Coarser pools (many test files per process) degrade to
 *  OVER-selection — never under-selection. */
export declare function buildTiaMap(opts: {
    coverageDir: string;
    projectRoot: string;
    headSha: string;
    seconds: number;
    now: string;
}): TiaMap;
//# sourceMappingURL=map.d.ts.map