/**
 * Git utilities for enhanced run summary.
 */
export interface CommitLogEntry {
    hash: string;
    title: string;
}
export interface FileDiffStat {
    path: string;
    added: number;
    removed: number;
}
/**
 * Get the current commit hash (HEAD).
 *
 * @param projectRoot - Root directory of the git repository
 * @returns Short commit hash, or null if not available
 */
export declare function getCurrentCommitHash(projectRoot: string): string | null;
/**
 * Get diff stats between two commits.
 *
 * @param projectRoot - Root directory of the git repository
 * @param fromHash - Starting commit hash
 * @param toHash - Ending commit hash
 * @returns Array of file diff stats, or null if not available
 */
export declare function getDiffStats(projectRoot: string, fromHash: string, toHash: string): FileDiffStat[] | null;
/**
 * Get the list of commits between two refs.
 *
 * @param projectRoot - Root directory of the git repository
 * @param fromHash - Starting commit hash (exclusive)
 * @param toHash - Ending commit hash (inclusive)
 * @returns Array of commit entries, or null if not available
 */
export declare function getRecentCommits(projectRoot: string, count?: number): CommitLogEntry[];
export declare function getCommitList(projectRoot: string, fromHash: string, toHash: string): CommitLogEntry[] | null;