/**
 * Consolidates all git-related operations including hook log parsing.
 */
export declare class GitService {
    private projectRoot;
    constructor(projectRoot: string);
    isRepo(): boolean;
    getBranch(): string | null;
    getHead(): string | null;
    getLogSince(since: string, limit?: number): string;
    getDiffStat(since: string): string;
    getFilesChanged(since: string): string[];
    runGitCommand(command: string): string;
    /**
     * Parse the git hook log file (.engram/git-changes.log) and extract
     * entries since the last session end time.
     */
    parseHookLog(lastSessionEndedAt?: string | null): string;
}
//# sourceMappingURL=git.service.d.ts.map