/** Walk every TypeScript source file under `projectRoot` and collect
 *  the set of Vue page manifest keys flagged `client: 'none'` at
 *  registration time. The returned names correspond to the PascalCased
 *  basenames of the .vue source files (e.g. `LandingPage` matches
 *  `LandingPage.vue`). */
export declare const scanVueSsrOnlyPages: (projectRoot: string) => Set<string>;