/**
 * REPL Session Manager
 *
 * Manages REPL session lifecycle, state persistence, and activity tracking
 */
/**
 * Session state
 */
export interface SessionState {
    sessionId: string;
    startTime: string;
    lastActivity: string;
    projectRoot: string;
    config: SessionConfig;
    history: CommandHistoryEntry[];
    stats: SessionStats;
}
/**
 * Session configuration
 */
export interface SessionConfig {
    apiKey?: string;
    projectType?: ProjectType;
    aiTools: string[];
    features: string[];
    autoUpdate: boolean;
    theme: string;
}
/**
 * Project type
 */
export type ProjectType = 'monorepo' | 'webapp' | 'library' | 'api' | 'cli' | 'unknown';
/**
 * Command history entry
 */
export interface CommandHistoryEntry {
    command: string;
    timestamp: string;
    result?: string;
    duration?: number;
}
/**
 * Session statistics
 */
export interface SessionStats {
    commandsExecuted: number;
    searchesPerformed: number;
    filesIndexed: number;
    embeddingsGenerated: number;
    errorsEncountered: number;
}
/**
 * REPL Session Manager
 */
export declare class REPLSessionManager {
    private state;
    private statePath;
    private projectRoot;
    constructor(projectRoot: string);
    /**
     * Create a new session
     */
    private createNewSession;
    /**
     * Load session from disk
     */
    private load;
    /**
     * Save session to disk
     */
    save(): void;
    /**
     * Get session state
     */
    getState(): SessionState;
    /**
     * Update session config
     */
    updateConfig(config: Partial<SessionConfig>): void;
    /**
     * Add command to history
     */
    addCommand(command: string, result?: string, duration?: number): void;
    /**
     * Get command history
     */
    getHistory(limit?: number): CommandHistoryEntry[];
    /**
     * Update session stats
     */
    updateStats(stats: Partial<SessionStats>): void;
    /**
     * Get session stats
     */
    getStats(): SessionStats;
    /**
     * Get session duration
     */
    getDuration(): {
        ms: number;
        human: string;
    };
    /**
     * Check if session is initialized (has API key and project type)
     */
    isInitialized(): boolean;
    /**
     * Set initialization status
     */
    setInitialized(apiKey: string, projectType: ProjectType): void;
    /**
     * Get OpenRouter API key
     */
    getApiKey(): string | undefined;
    /**
     * Clear session (for reset/reinit)
     */
    clear(): void;
    /**
     * End session
     */
    end(): void;
}
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