/**
 * GitHub repository synchronization.
 * Handles cloning and pulling repositories to local cache.
 */
import { GitHubRepoSpec } from "./github-config.js";
/**
 * Options for syncing GitHub repositories.
 */
export interface SyncOptions {
    cacheDir: string;
    token?: string;
    shallowClone?: boolean;
}
/**
 * Result of a sync operation.
 */
export interface SyncResult {
    spec: GitHubRepoSpec;
    localPath: string;
    clonePath: string;
    updated: boolean;
    error?: string;
}
/**
 * Sync a single GitHub repository.
 * Clones if not present, pulls if already cloned.
 *
 * @param spec - Repository specification
 * @param options - Sync options
 * @returns Sync result
 */
export declare function syncRepo(spec: GitHubRepoSpec, options: SyncOptions): Promise<SyncResult>;
/**
 * Sync multiple GitHub repositories.
 *
 * @param specs - Repository specifications
 * @param options - Sync options
 * @returns Array of sync results
 */
export declare function syncAllRepos(specs: GitHubRepoSpec[], options: SyncOptions): Promise<SyncResult[]>;
/**
 * Check if a repository has remote updates available.
 * Uses git fetch --dry-run to check without downloading.
 *
 * @param spec - Repository specification
 * @param options - Sync options
 * @returns true if updates are available
 */
export declare function hasRemoteUpdates(spec: GitHubRepoSpec, options: SyncOptions): Promise<boolean>;