/**
 * Session state management for TestDriver MCP Server
 * Tracks sandbox sessions for MCP server
 */
export interface SessionState {
    sessionId: string;
    sandboxId: string | null;
    status: "initializing" | "active" | "expired" | "error";
    os: "linux" | "windows";
    resolution: string;
    createdAt: number;
    expiresAt: number;
    keepAlive: number;
    testFile: string | null;
    lastScreenshot: string | null;
    errorMessage?: string;
}
/**
 * Session Manager - handles session state for MCP server
 */
export declare class SessionManager {
    private sessions;
    private currentSessionId;
    /**
     * Create a new session
     */
    createSession(options: {
        sandboxId?: string;
        os?: "linux" | "windows";
        resolution?: string;
        keepAlive?: number;
        testFile?: string;
    }): SessionState;
    /**
     * Get the current active session
     */
    getCurrentSession(): SessionState | null;
    /**
     * Get a session by ID
     */
    getSession(sessionId: string): SessionState | null;
    /**
     * Update session state
     */
    updateSession(sessionId: string, updates: Partial<SessionState>): SessionState | null;
    /**
     * Mark session as active with sandbox ID
     */
    activateSession(sessionId: string, sandboxId: string): SessionState | null;
    /**
     * Extend session expiry time by adding additional milliseconds
     */
    extendSession(sessionId: string, additionalMs: number): SessionState | null;
    /**
     * Refresh session expiry to reset the keepAlive timer from now
     * Called on each command to keep session alive during active use
     */
    refreshSession(sessionId: string): SessionState | null;
    /**
     * Check if session is still valid
     */
    isSessionValid(sessionId: string): boolean;
    /**
     * Get time remaining until session expires
     */
    getTimeRemaining(sessionId: string): number;
    /**
     * Mark session as expired/ended
     */
    endSession(sessionId: string): void;
    /**
     * Delete a session
     */
    deleteSession(sessionId: string): boolean;
    /**
     * Get session summary for status reporting
     */
    getSessionSummary(sessionId: string): {
        sessionId: string;
        status: string;
        sandboxId: string | null;
        timeRemaining: number;
    } | null;
}
export declare const sessionManager: SessionManager;