/**
 * Re-discovery for a client that holds only an app-scoped token.
 *
 * {@link createMintRediscover} needs the identity session, so it can only be
 * wired by a caller that has one. A game that was handed an app token and
 * nothing else could not recover at all — which is the common case, since the
 * Overworld portal mints the token and the game receives it.
 *
 * `gameClientBootstrap.discoveryUrl` closes that: it is the environment's shared
 * load balancer, which by definition still answers when a single instance does
 * not, and querying it with the app token the client already holds returns a
 * fresh `gameApiUrl`/`gameApiWsUrl`.
 */
export interface BootstrapRediscoverOptions {
    /**
     * The shared load balancer origin, from a previous
     * `gameClientBootstrap.discoveryUrl`. Pointing this at an instance hostname
     * defeats the entire purpose: it would die with the instance it is meant to
     * replace.
     */
    discoveryUrl: string;
    /** Bearer token to authenticate with; usually the app-scoped token. */
    getToken: () => string | null | undefined;
    appId?: string;
    fetchImpl?: typeof fetch;
    logger?: {
        warn?: (msg: string) => void;
    };
}
export declare function createBootstrapRediscover(options: BootstrapRediscoverOptions): (appId: string | null) => Promise<{
    httpUrl?: string | null;
    wsUrl?: string | null;
} | null>;
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