interface StorageStrategy {
    store(key: string, data: string): void;
    retrieve(key: string): string | undefined;
    remove(key: string): void;
}
declare class LocalStorage implements StorageStrategy {
    store(key: string, data: string): void;
    retrieve(key: string): string | undefined;
    remove(key: string): void;
    static clear(): void;
}
declare class BrowserSessionStorage implements StorageStrategy {
    store(key: string, data: string): void;
    retrieve(key: string): string | undefined;
    remove(key: string): void;
    static clear(): void;
}
declare class StandardHttpCookiesStorage implements StorageStrategy {
    store(key: string, data: string): void;
    retrieve(key: string): string | undefined;
    remove(key: string): void;
    static clear(): void;
}
declare function clear(): void;
export { StorageStrategy, LocalStorage, BrowserSessionStorage, StandardHttpCookiesStorage, clear, };