import { L10nConfigRef } from "../models/l10n-config";
/**
 * Implement this class-interface to create a custom storage for default locale, currency & timezone.
 */
export declare abstract class LocaleStorage {
    /**
     * This method must contain the logic to read the storage.
     * @param name 'defaultLocale', 'currency' or 'timezone'
     * @return A promise with the value of the given name
     */
    abstract read(name: 'defaultLocale' | 'currency' | 'timezone'): Promise<string | null>;
    /**
     * This method must contain the logic to write the storage.
     * @param name 'defaultLocale', 'currency' or 'timezone'
     * @param value The value for the given name
     */
    abstract write(name: 'defaultLocale' | 'currency' | 'timezone', value: string): Promise<void>;
}
export declare class L10nStorage implements LocaleStorage {
    private configuration;
    private hasCookie;
    private hasStorage;
    constructor(configuration: L10nConfigRef);
    read(name: string): Promise<string | null>;
    write(name: string, value: string): Promise<void>;
    private getName;
}