import { DataSyncConfig } from "..";
import { OperationQueueEntry, OfflineItem } from "./OperationQueueEntry";
/**
 * Abstract Offline storage
 */
export declare class OfflineStore {
    private storage;
    private readonly storageKey;
    constructor(clientConfig: DataSyncConfig);
    /**
     * Save data to store
     *
     * @param queue - array of offline elements to store
     */
    persistOfflineData(queue: OperationQueueEntry[]): Promise<void>;
    /**
     * Fetch data from the
     */
    getOfflineData(): Promise<OfflineItem[]>;
}