/**
 * Git commit extraction on the scanner daemon side.
 *
 * The production server runs in ECS and cannot `git log` the user's repo —
 * the repo lives on the user's machine, next to the daemon. We run `git log`
 * here and push the parsed commits alongside scan results. Server-side
 * `GitMiner.mineCommits` consumes them without touching the filesystem.
 */
export interface ParsedCommit {
    sha: string;
    author: string;
    date: string;
    message: string;
    files: string[];
    parents: string[];
}
/**
 * True when `repoRoot/.git` exists and `git log -1` returns a commit.
 * Non-git projects, `git init` with no commits, and corrupted repos all
 * return false without throwing.
 */
export declare function probeGit(repoRoot: string): Promise<boolean>;
/**
 * Fetch commits between `sinceCommit` and HEAD (or the last MAX_COMMITS on
 * first run). Returns [] on failure — caller omits the field from the push.
 *
 * Uses `-z` NUL-separated output so `--name-only` file entries cannot collide
 * with commit metadata. Parser mirrors the server-side token-walking parser
 * in GitMiner.parseLogOutput.
 */
export declare function fetchCommits(repoRoot: string, sinceCommit: string | null): Promise<ParsedCommit[]>;
export declare function parseLogOutput(raw: string): ParsedCommit[];