import { type ChildProcess, execFileSync } from 'child_process';
import type * as fs from 'fs';
import type { AppContext } from '../types/context.js';
import type * as fileUtils from './fileUtils.js';
export interface GitFileInfo {
    type: string;
    path: string;
    action: 'add' | 'delete' | 'ignore';
}
interface DiffOptions {
    dir: string;
    gitRef?: string;
    existsSync: (path: string) => boolean;
    spawn: (command: string, args: string[], options?: {
        cwd: string;
    }) => ChildProcess;
}
export declare function diff({ dir, gitRef, existsSync, spawn, }: DiffOptions): Promise<GitFileInfo[]>;
export declare function log(dir: string, gitRef: string, execFileSyncStub?: typeof execFileSync): string[];
export declare function logAsync(dir: string, gitRef: string): Promise<string[]>;
interface LastCommitOptions {
    dir: string;
    fileName?: string;
    existsSync: (path: string) => boolean;
    execFileSync?: typeof execFileSync;
    fileUtils: typeof fileUtils;
}
interface LastCommitResult {
    lastCommit: string | undefined;
    latestCommit: string;
}
export declare function lastCommit({ ctx, dir, fileName, existsSync, execFileSync: _execFileSyncStub, // Kept for backward compatibility but not used (SEC-004: using async with timeout)
fileUtils, }: LastCommitOptions & {
    ctx: AppContext;
}): Promise<LastCommitResult>;
interface UpdateLastCommitOptions {
    ctx: AppContext;
    dir: string;
    latest: string | undefined;
    fileUtils: typeof fileUtils;
    fs: typeof fs;
}
export declare function updateLastCommit({ ctx, dir, latest, fileUtils, fs, }: UpdateLastCommitOptions): Promise<void>;
export {};
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