/**
 * Runtime accessors for `gateway.publicUrl` (the user-deployed reverse-proxy
 * URL). Centralizes the "is it configured?" + "normalized origin" lookup so
 * callers (pair-context, exchange-token, CORS allowlist, UI status) all agree
 * on the same value.
 */
import type { Config } from '../config/schema.js';
export declare function resolveReverseProxyPublicUrl(config: Config | undefined): string | null;