import { HttpClient } from '@angular/common/http';
import { Class_ } from '../../models/class_.model';
import { Country } from '../../models/country.model';
import { BaseHttpService } from './base-http.service';
import { Observable } from 'rxjs/Observable';
import { CacheService } from '../../services/cache/cache.service';
import { Environment } from '../../interfaces/environment.interface';
export declare class ClassesHttpService extends BaseHttpService {
    protected environment: Environment;
    constructor(http: HttpClient, cache: CacheService, environment: Environment);
    /**
     * Get classes associated to a country
     */
    byCountry(country: Country): Observable<Class_[]>;
}
