import { ISiteDefinition } from './SiteDefinition.types';
/**
 * Retrieves the first platform defined in the page's AppState definition.
 * @param pageTitle The title of the page as defined in AppState.
 */
export declare function getPageFirstPlatform<TPlatforms extends string = string>(pageTitle: string, siteDefinition: ISiteDefinition<TPlatforms>): TPlatforms;