import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { PytApisConfig } from "./pyt-apis.module";
import * as i0 from "@angular/core";
export interface Currency {
    id: Number;
    isoCode: String;
    name: String;
}
export interface CurrencyRate {
    id: Number;
    source: String;
    target: String;
    rate: Number;
    date: Date;
}
export declare class CurrencyService {
    private http;
    private config;
    private currencies;
    constructor(http: HttpClient, config: PytApisConfig);
    init(currencyIsoCode: String): void;
    getAllCurrencies(): Observable<Currency[]>;
    getCurrencyRate(source: string, target: string): CurrencyRate | undefined;
    static ɵfac: i0.ɵɵFactoryDeclaration<CurrencyService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<CurrencyService>;
}