/**
 * File storage utilities for configuration and history management
 */
import type { Configuration, Message, SessionMetadataFile } from '../types/index.js';
/**
 * Get the path to the configuration directory
 * Linux/macOS: ~/.config/yolo-cli/
 * Windows: ~/.yolo-cli/
 */
export declare function getConfigDir(): string;
/**
 * Get the path to the configuration file
 */
export declare function getConfigPath(): string;
/**
 * Get the path to the history directory for a working directory
 */
export declare function getHistoryDir(workingDir: string): string;
/**
 * Get the path to the history file for a working directory
 * Supports multi-session with optional sessionId parameter
 */
export declare function getHistoryPath(workingDir: string, sessionId?: string): string;
/**
 * Get the path to the session metadata file
 */
export declare function getSessionMetadataPath(workingDir: string): string;
/**
 * Ensure a directory exists, creating it if necessary
 */
export declare function ensureDir(dirPath: string): Promise<void>;
/**
 * Check if a file exists
 */
export declare function fileExists(filePath: string): boolean;
/**
 * Read and parse a JSON file
 */
export declare function readJsonFile<T>(filePath: string): Promise<T>;
/**
 * Write an object to a JSON file with atomic write
 */
export declare function writeJsonFile<T>(filePath: string, data: T): Promise<void>;
/**
 * Load configuration from file
 */
export declare function loadConfig(): Promise<Configuration | null>;
/**
 * Save configuration to file
 */
export declare function saveConfig(config: Configuration): Promise<void>;
/**
 * Load session metadata from file
 */
export declare function loadSessionMetadata(workingDir: string): Promise<SessionMetadataFile | null>;
/**
 * Save session metadata to file (atomic write)
 */
export declare function saveSessionMetadata(workingDir: string, metadata: SessionMetadataFile): Promise<void>;
/**
 * Read messages from history file (JSONL format)
 * Supports multi-session with optional sessionId parameter
 */
export declare function readHistory(workingDir: string, sessionId?: string): Promise<Message[]>;
/**
 * Append a message to the history file (JSONL format)
 * Supports multi-session with optional sessionId parameter
 */
export declare function appendToHistory(workingDir: string, message: Message, sessionId?: string): Promise<void>;
/**
 * Rotate history file if it exceeds the message limit
 */
export declare function rotateHistory(workingDir: string, maxMessages: number): Promise<void>;
/**
 * Clear all history for a working directory
 */
export declare function clearHistory(workingDir: string): Promise<void>;
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