export interface EndpointsRuntime {
    /** GET active announcement (used by `<AnnouncementBar>` mount fetch + refocus revalidation). */
    announcementsUrl: string;
    accessCode: {
        /** POST validate access code. */
        validateUrl: string;
        /** POST consume / redeem access code after registration. */
        consumeUrl: string;
    };
    /** POST contact-form submission. */
    contactUrl: string;
    /** GET base of the host's private-storage view proxy
     *  (`<base>/<bucket>/<object>`). `ClaudeEmbed` derives artifact mirror
     *  urls under it (`<base>/design-briefs/<uuid>.html`). OPTIONAL: a host
     *  without the proxy simply omits it and claude embeds fall back to
     *  claude.ai — no probing happens. */
    storageViewBaseUrl?: string;
}
export declare const EndpointsRuntimeContext: import("react").Context<EndpointsRuntime | null>;
/**
 * Optional read — returns null when no provider is mounted. Use for
 * surfaces that should silently skip the fetch (e.g. announcement
 * polling on a page rendered outside the provider tree).
 */
export declare function useEndpointsRuntime(): EndpointsRuntime | null;
/**
 * Strict variant — throws on missing provider. Use for consumers that
 * cannot function without an endpoint (form submission, code
 * validation). In tests/Storybook, wrap with the hub's
 * `<HubRuntimeProvider>` or a stub
 * `<EndpointsRuntimeContext.Provider value={mockedEndpoints}>`.
 */
export declare function useRequiredEndpointsRuntime(): EndpointsRuntime;
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