import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs/Observable';
import { Chapter } from '../../models/chapter.model';
import { Class_ } from '../../models/class_.model';
import { Discipline } from '../../models/discipline.model';
import { BaseHttpService } from './base-http.service';
import { CacheService } from '../../services/cache/cache.service';
import { Environment } from '../../interfaces/environment.interface';
import { NotionRecursive } from '../../interfaces/notion-recursive.interface';
export declare class ChaptersHttpService extends BaseHttpService {
    protected environment: Environment;
    constructor(http: HttpClient, cache: CacheService, environment: Environment);
    byClassAndDiscipline(class_: Class_, discipline: Discipline): Observable<Chapter[]>;
    recursiveToModule(chapter: Chapter): Observable<NotionRecursive>;
}
