import { SearchResultsPage, WithContext, Offer, AggregateRating, Thing, FAQPage, WebPage } from 'schema-dts';
import { ReviewRatingDTO } from './dto/ReviewRatingDTO';
import { OfferDTO } from './dto/OfferDTO';
import { EntityDTO } from './dto/EntityDTO';
import { FAQItemDto } from './dto/FAQItemDto';
import { BreadcrumbDTO } from './dto/BreadcrumbDTO';
import { PaywallDTO } from './dto/PaywallDTO';
import { PageTypes } from '../enums/PageTypes';
export declare abstract class SearchStructuredDataFactory<TCard> {
    buildStructuredData(title: string, description: string, cards: TCard[], faqItems?: FAQItemDto[], breadcrumbs?: BreadcrumbDTO[], listItemStructure?: boolean, pageType?: PageTypes): Promise<WithContext<SearchResultsPage | WebPage>>;
    private generateMainEntities;
    protected abstract buildStructuredDataForCard(entity: EntityDTO<TCard>): Promise<Thing | undefined> | Thing | undefined;
    /**
     * Get the rating for a card.
     * This method should be overridden by subclasses to provide the specific rating logic.
     * If no rating is available, return undefined and no aggregate rating will be constructed for the card & page.
     *
     * @param card
     * @protected
     */
    protected getRating(card: TCard): ReviewRatingDTO | undefined;
    /**
     * Get the offer data for a card.
     * This method should be overridden by subclasses to provide the specific offer logic.
     * If no offer is available, return undefined and no aggregate offer will be constructed for the card & page.
     *
     * @param card
     * @protected
     */
    protected getOfferData(card: TCard): Promise<OfferDTO | undefined>;
    protected getPaywallData(): PaywallDTO | undefined;
    private constructOptionalPageOffers;
    protected constructOptionalFaqPage(faqItems: FAQItemDto[]): FAQPage | undefined;
    private constructOptionalPageParts;
    private constructOptionalBreadcrumbs;
    private constructPaywallElement;
    protected constructAggregateRating(reviewRating?: ReviewRatingDTO): AggregateRating | undefined;
    protected constructOffer(offerData?: OfferDTO): Offer | undefined;
    /**
     * Add paywall information to any structured data object
     *
     * @param structuredData The structured data object to enhance
     * @param paywallData The paywall data to add
     * @protected
     */
    protected addPaywallToStructuredData(structuredData: Record<string, any>, paywallData?: PaywallDTO): void;
    private stripHtmlWithListRetain;
}