/**
 * SessionStorage Service
 * Wrapper for browser sessionStorage API
 */
import { StorageItem } from "../models/storageItem";
import { BaseStorageService } from "./base/BaseStorageService";
/**
 * SessionStorage service implementation
 */
export declare class SessionStorageService extends BaseStorageService {
    protected readonly storageType = "sessionStorage";
    /**
     * Get the sessionStorage object
     */
    protected getStorage(): Storage | null;
    /**
     * Save an item to sessionStorage
     */
    save(key: string, value: string): void;
    /**
     * Retrieve an item from sessionStorage
     */
    retrieve(key: string): StorageItem | null;
    /**
     * Remove an item from sessionStorage
     */
    remove(key: string): void;
    /**
     * Clear all items from sessionStorage
     */
    clear(): void;
}
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