import { TerminalSession } from './TerminalSession';
import type { SparqlEngine } from '../storage/sparql/SubgraphQueryEngine';
import type { EnvRef, CreateSessionRequest } from './types';
export interface TerminalSessionManagerOptions {
    /** Maximum sessions per user */
    maxSessionsPerUser: number;
    /** Maximum total sessions */
    maxTotalSessions: number;
    /** Default session timeout in seconds */
    defaultTimeout: number;
    /** Maximum session timeout in seconds */
    maxTimeout: number;
    /** Default working directory */
    defaultWorkdir: string;
    /** Product SPARQL engine for ACL queries */
    sparqlEngine?: SparqlEngine;
    /** Whether to require ACL Control permission (default: true) */
    requireAclControl: boolean;
    /** Base URL for mapping file paths to resource URLs */
    baseUrl?: string;
    /** File system root for mapping URLs to paths */
    fileSystemRoot?: string;
}
export declare class TerminalSessionManager {
    protected readonly logger: import("global-logger-factory").Logger<unknown>;
    private readonly sessions;
    private readonly userSessions;
    private readonly options;
    private readonly aclService?;
    constructor(options?: Partial<TerminalSessionManagerOptions>);
    /**
     * Convert a file system path to a resource URL.
     */
    private pathToUrl;
    /**
     * Check if user has acl:Control permission for the working directory.
     */
    checkWorkdirPermission(userId: string, workdir: string): Promise<boolean>;
    /**
     * Create a new terminal session
     */
    createSession(userId: string, request: CreateSessionRequest, secretResolver?: (ref: EnvRef) => Promise<string>): Promise<TerminalSession>;
    /**
     * Get a session by ID
     */
    getSession(sessionId: string): TerminalSession | undefined;
    /**
     * Get all sessions for a user
     */
    getUserSessions(userId: string): TerminalSession[];
    /**
     * Terminate a session
     */
    terminateSession(sessionId: string): boolean;
    /**
     * Remove a session from tracking
     */
    private removeSession;
    /**
     * Get session statistics
     */
    getStats(): {
        totalSessions: number;
        activeUsers: number;
    };
    /**
     * Terminate all sessions (for shutdown)
     */
    terminateAll(): void;
}