/**
 * Copyright (c) 2025 Elara AI Pty Ltd
 * Licensed under BSL 1.1. See LICENSE for details.
 */
import type { ObjectStore } from '../interfaces.js';
/**
 * Atomically write an object to the repository.
 *
 * @param repoPath - Path to e3 repository
 * @param data - Data to store
 * @returns SHA256 hash of the data
 */
export declare function objectWrite(repoPath: string, data: Uint8Array): Promise<string>;
/**
 * Atomically write a stream to the repository.
 *
 * @param repoPath - Path to e3 repository
 * @param stream - Stream to store
 * @returns SHA256 hash of the data
 */
export declare function objectWriteStream(repoPath: string, stream: ReadableStream<Uint8Array>): Promise<string>;
/**
 * Read an object from the repository.
 *
 * @param repoPath - Path to e3 repository
 * @param hash - SHA256 hash of the object
 * @returns Object data
 * @throws {ObjectNotFoundError} If object not found
 */
export declare function objectRead(repoPath: string, hash: string): Promise<Uint8Array>;
/**
 * Check if an object exists in the repository.
 *
 * @param repoPath - Path to e3 repository
 * @param hash - SHA256 hash of the object
 * @returns true if object exists
 */
export declare function objectExists(repoPath: string, hash: string): Promise<boolean>;
/**
 * Local filesystem implementation of ObjectStore.
 *
 * The `repo` parameter is the path to the e3 repository directory.
 */
export declare class LocalObjectStore implements ObjectStore {
    write(repo: string, data: Uint8Array): Promise<string>;
    writeStream(repo: string, stream: AsyncIterable<Uint8Array>): Promise<string>;
    read(repo: string, hash: string): Promise<Uint8Array>;
    exists(repo: string, hash: string): Promise<boolean>;
    stat(repo: string, hash: string): Promise<{
        size: number;
    }>;
    list(repo: string): Promise<string[]>;
    count(repo: string): Promise<number>;
}
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