import { HT_IStorageService } from './ht_storage.service.interface';
export declare class HT_SessionStorageService implements HT_IStorageService {
    private store;
    constructor();
    getItem(key: string): any;
    removeItem(key: string): any;
    setItem(key: string, value: string): void;
    normaliseKeysToLowerCase(): void;
}