import { Observable } from 'rxjs';
import { HttpClient } from '@angular/common/http';
export declare class ForexService {
    private http;
    urlCurrency: string;
    urlBeg: string;
    urlEnd: string;
    dailyBeg: string;
    constructor(http: HttpClient);
    getCurrencyRate(currency_from: string, currency_to: string): Observable<any[]>;
    search(symbol: string): Observable<any[]>;
    daily(symbol: string): Observable<any[]>;
}