import { Observable } from 'rxjs/Observable';
import { ContentfulService } from 'ng2-contentful';
import 'rxjs/add/operator/map';
import { ContentfulNodePage, ContentfulTagPage, ContentfulProfilePage, ContentfulContributionPage, ContentfulImage, ContentfulFooterHeader } from './aliases.structures';
/**
 * ContentfulContent works as a replacement for the original ng2-contentful library.
 * It adds next abstraction layer for contenful requests,
 * and any type of custom request and request transformation used in gapminder-org
 * should be implemented here.
 *
 * !! Still in developing !!
 */
export declare class ContenfulContent {
    private contentfulService;
    private contentfulTypeIds;
    constructor(contentfulService: ContentfulService, contentfulTypeIds: any);
    /**
     *
     *  @param slug - slug of the current about content
     */
    getAboutPage(slug: string): Observable<{
        submenuItems: any[];
        content: ContentfulNodePage;
    }>;
    getOverviewPages(): Observable<ContentfulNodePage[]>;
    getLatestArticlesByTag(tagSysId: string, limit: number): Observable<ContentfulNodePage[]>;
    /**
     *
     * @param slug
     * @returns {any}
     */
    getNodePage(slug: string): Observable<ContentfulNodePage[]>;
    /**
     *
     * @param tagId
     * @param slug
     * @returns {ContentfulNodePage}
     */
    getArticleByTagAndSlug(tagId: string, slug: string): Observable<ContentfulNodePage[]>;
    getTagsBySlug(slug: string): Observable<ContentfulTagPage[]>;
    getImagesByTitle(title: string): Observable<ContentfulImage[]>;
    getProfilesByUsername(username: string): Observable<ContentfulProfilePage[]>;
    getProfilesByArticleIdAndProjectTag(id: string, projectTag: string): Observable<ContentfulProfilePage[]>;
    getProfilesByTag(tagSysId: string): Observable<ContentfulProfilePage[]>;
    getProfilesByTags(tagSysIds: string[]): Observable<ContentfulProfilePage[]>;
    getChildrenOfArticle(articleSysId: string): Observable<ContentfulNodePage[]>;
    getChildrenOfArticleByTag(articleSysId: string, projectTag: string): Observable<ContentfulNodePage[]>;
    getArticlesByTag(tagSysId: string): Observable<ContentfulNodePage[]>;
    getArticlesByTags(tagSysIds: string[], limit?: number): Observable<ContentfulNodePage[]>;
    getLatestArticlesByTags(tagSysIds: string[], limit?: number): Observable<ContentfulNodePage[]>;
    getArticleBySysId(sysId: string): Observable<ContentfulNodePage[]>;
    getContributionsByArticle(articleSysId: string): Observable<ContentfulContributionPage[]>;
    getProfilesByContributions(contributionSysIds: string[]): Observable<ContentfulProfilePage[]>;
    getMenuByTag(menuType: string, tagSysId: string): Observable<ContentfulFooterHeader[]>;
    getArticleParentSlug(id: string, onSlugFound: (path: string) => void): void;
    getArticleWithFullUrlPopulated(articles: ContentfulNodePage[]): Observable<ContentfulNodePage[]>;
    private getArticleWithFullUrl(article, onSlugFound);
    private getRawNodePageBySlug(slug);
    private getProfileByUsername(userName);
    /**
     *
     * @param searchItems
     * @returns {ContentfulRequest}
     */
    private getRawNodePagesByParams(...searchItems);
    private getSubmenuItemsFromResponse(response);
}
export interface ArticleWithFullUrl {
    url: string;
    article: ContentfulNodePage;
}