import { NextFunction, Request, Response } from "express";
/**
 * Fixed-allowlist CORS for the dashboard's own origin. Unlike the widget's
 * reflect-any-origin policy, DASHBOARD_ORIGIN is a deployment-time constant,
 * not per-tenant, so a real static allowlist is possible. No-op entirely if
 * DASHBOARD_ORIGIN is unset (e.g. a server-rendered/same-origin dashboard).
 */
export declare function dashboardCors(req: Request, res: Response, next: NextFunction): void;