/// <reference types="node" resolution-mode="require"/>
import type { EncryptedFS } from 'encryptedfs';
import type { VaultRef, VaultAction, CommitId, FileSystemReadable, FileSystemWritable } from './types.js';
import type { NodeId } from '../ids/types.js';
import { tagLast, refs } from './types.js';
/**
 * Vault history is designed for linear-history.
 * The canonical branch represents the one and only true timeline.
 * In the future, we can introduce non-linear history where branches are
 * automatically made when new timelines are created.
 */
declare const canonicalBranch = "master";
declare const canonicalBranchRef: string;
/**
 * Vault reference can be HEAD, any of the special tags, or a commit ID.
 */
declare function validateRef(ref: any): ref is VaultRef;
declare function assertRef(ref: any): asserts ref is VaultRef;
/**
 * Commit IDs are SHA1 hashes encoded as 40-character long lowercase
 * hexadecimal strings.
 */
declare function validateCommitId(commitId: any): commitId is CommitId;
declare function commitAuthor(nodeId: NodeId): {
    name: string;
    email: string;
};
declare function readDirRecursively(fs: any, dir?: string): AsyncGenerator<string, void, void>;
declare function walkFs(efs: FileSystemReadable, path?: string): AsyncGenerator<string, void, void>;
declare function isVaultAction(action: any): action is VaultAction;
declare function parseVaultAction(data: any): VaultAction;
declare function deleteObject(fs: EncryptedFS, gitdir: string, ref: string): Promise<void>;
declare function mkdirExists(efs: FileSystemWritable, directory: string): Promise<void>;
/**
 * Converts a `Buffer` to a `Uint8Array` without copying the contents.
 */
declare function bufferToUint8ArrayCopyless(data: Buffer): Uint8Array;
/**
 * Converts a `Uint8Array` to a `Buffer` without copying the contents.
 */
declare function uint8ArrayToBufferCopyless(data: Uint8Array): Buffer;
/**
 * Concatenates `Buffers` or `Uint8Array`s into a `Uint8Array`.
 */
declare function uint8ArrayConcat(list: Array<Uint8Array>): Uint8Array;
export { tagLast, refs, canonicalBranch, canonicalBranchRef, validateRef, assertRef, validateCommitId, commitAuthor, isVaultAction, parseVaultAction, readDirRecursively, walkFs, deleteObject, mkdirExists, bufferToUint8ArrayCopyless, uint8ArrayToBufferCopyless, uint8ArrayConcat, };
export { createVaultIdGenerator, encodeVaultId, decodeVaultId, } from '../ids/index.js';