export declare function findGitRoot(path: string): string | null;
/**
 * Lists tracked files plus untracked files that are not excluded by Git's
 * standard ignore rules. `null` means Git is unavailable or the path is not
 * inside a repository; an empty array is a valid empty worktree result.
 */
export declare function collectGitVisibleFiles(rootDir: string): string[] | null;
export interface GitSnapshot {
    repoRoot: string;
    headSha: string;
    dirtyFiles: string[];
}
export declare function readGitSnapshot(projectDir: string): GitSnapshot | null;
export declare function diffGitFilesBetweenCommits(projectDir: string, fromSha: string, toSha: string): string[];