type Data = Record<string, unknown>;
/**
 * A storage that throttles writes to the underlying storage.
 * This is useful to avoid excessive writes to the storage, as we may have many updates
 * of the data in a short period of time.
 */
export declare class WriteThrottledStorage {
    private static readonly DEFAULT_WRITE_INTERVAL_MS;
    private readonly _storage;
    private _lastWrite;
    private _pendingData?;
    private _writeTimer?;
    private readonly _writeIntervalMs;
    constructor(storage: Storage, writeIntervalMs?: number);
    hasDataAlreadyWritten(): boolean;
    write(data: Data): Data;
    read(): Data;
    clear(): void;
    private scheduleWrite;
}
export {};