/**
 * @jorvel/runtime — Federated Router (Phase-0/1 bridge)
 *
 * Goal: allow the host (shell) to provide the *router singleton instance* to
 * remotes via Module Federation shared modules.
 *
 * Design A: a shared singleton module.
 *
 * - Host calls `provideHostRouter(getRouter())` once during bootstrap.
 * - Remotes call `getFederatedRouter()` to access the same Router instance.
 * - If the host never provides one, remotes fall back to their local router.
 */
import type { Router } from './router.js';
/**
 * Bind the host router singleton for remotes to consume.
 *
 * Call this from the host app (shell) during startup.
 */
export declare function provideHostRouter(router: Router): void;
/**
 * Returns the federated router if the host has provided one.
 * Otherwise returns the local singleton router.
 */
export declare function getFederatedRouter(): Router;
/** @internal */
export declare function _resetFederatedRouter(): void;
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