import { type CanActivate, type ExecutionContext } from '@nestjs/common';
import type { ResolvedDashboardAuth } from '../auth/dashboard-auth-config.js';
import type { ResolvedCoreConfig } from '../config/options.js';
import { type TelescopeModuleOptions } from './telescope.options.js';
export declare class TelescopeGuard implements CanActivate {
    private readonly options;
    private readonly dashboardAuth;
    private readonly config;
    constructor(options: TelescopeModuleOptions, dashboardAuth?: ResolvedDashboardAuth | null, config?: ResolvedCoreConfig | null);
    canActivate(context: ExecutionContext): Promise<boolean>;
    private verifyRequestSession;
    /**
     * Sliding renewal: when a valid cookie is past 50% of its TTL, re-issue a
     * fresh one so active users never get logged out mid-session. Appends a new
     * Set-Cookie (preserving any others already on the response).
     */
    private maybeRenew;
    private runAuthorizer;
}
//# sourceMappingURL=telescope.guard.d.ts.map