/**
 * Copyright (c) 2025 Elara AI Pty Ltd
 * Licensed under BSL 1.1. See LICENSE for details.
 */
import type { RepoStore, RepoStatus, RepoMetadata, BatchResult, GcObjectScanResult, GcRootScanResult } from '../interfaces.js';
import type { RefStore, DatasetRefStore } from '../interfaces.js';
/**
 * Local filesystem implementation of RepoStore.
 *
 * Manages repository lifecycle for local e3 repositories stored
 * as subdirectories within a parent directory.
 */
export declare class LocalRepoStore implements RepoStore {
    private readonly reposDir;
    private readonly refs;
    private readonly datasets?;
    /**
     * Create a new LocalRepoStore.
     * @param reposDir - Parent directory containing repositories
     * @param refs - RefStore for reading package/workspace/execution refs
     * @param datasets - DatasetRefStore for reading per-dataset refs (for GC scanning)
     */
    constructor(reposDir: string, refs: RefStore, datasets?: DatasetRefStore | undefined);
    /**
     * Get the path to a repository directory.
     */
    private getRepoPath;
    /**
     * Get the path to a repository's metadata file.
     */
    private getMetadataPath;
    /**
     * Check if a directory is a valid e3 repository.
     */
    private isValidRepository;
    list(): Promise<string[]>;
    exists(repo: string): Promise<boolean>;
    getMetadata(repo: string): Promise<RepoMetadata | null>;
    create(repo: string): Promise<void>;
    setStatus(repo: string, status: RepoStatus, expected?: RepoStatus | RepoStatus[]): Promise<void>;
    remove(repo: string): Promise<void>;
    deleteRefsBatch(repo: string, _cursor?: string): Promise<BatchResult>;
    deleteObjectsBatch(repo: string, _cursor?: string): Promise<BatchResult>;
    /**
     * Recursively delete all contents of a directory.
     * Returns count of files deleted.
     */
    private deleteDirectoryContents;
    gcScanPackageRoots(repo: string, _cursor?: unknown): Promise<GcRootScanResult>;
    gcScanWorkspaceRoots(repo: string, _cursor?: unknown): Promise<GcRootScanResult>;
    gcScanExecutionRoots(repo: string, _cursor?: unknown): Promise<GcRootScanResult>;
    gcScanObjects(repo: string, _cursor?: unknown): Promise<GcObjectScanResult>;
    gcDeleteObjects(repo: string, hashes: string[]): Promise<void>;
}
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