import { Alpha2Code } from 'i18n-iso-countries';
import * as i0 from "@angular/core";
export declare class LocalStorage {
    private _document;
    private readonly _supported;
    constructor();
    private get _storage();
    getItem(key: string): string | null;
    setItem(key: string, value: string): void;
    private _defaultCountry;
    private _defaultMethodName;
    private _defaultCurrency;
    private _defaultLang;
    get defaultCountry(): Alpha2Code | null;
    get defaultMethodName(): string | null;
    get defaultCurrency(): string | null;
    get defaultLang(): string | null;
    saveDefaultCountry(value: string): void;
    saveDefaultMethodName(value: string): void;
    saveDefaultCurrency(value: string): void;
    saveDefaultLang(value: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<LocalStorage, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LocalStorage>;
}