import type { WalkthroughVideoData } from './walkthrough-video';
export interface UseWalkthroughVideoOptions {
    /** Absolute or proxied URL of the public GET route. */
    endpoint: string;
    /** SSR/initial seed to avoid a loading flash. */
    initialData?: WalkthroughVideoData | null;
    enabled?: boolean;
    /** Rewrite the RELATIVE captionsUrl (e.g. prefix a `/content` proxy base).
     *  OPTIONAL override — when unset, the URL is rebased onto
     *  `ChatRuntime.endpoints.captionsUrlPrefix` (see `rebaseCaptionsUrl`), so
     *  embedders inside a runtime provider need no wiring here at all. */
    transformCaptionsUrl?: (relativeUrl: string) => string;
}
export interface UseWalkthroughVideoResult {
    video: WalkthroughVideoData | null;
    isLoading: boolean;
}
export declare function useWalkthroughVideo(opts: UseWalkthroughVideoOptions): UseWalkthroughVideoResult;
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