import { CachedRdfDocument, OfflineCache } from '@pod-os/core';
/**
 * An offline cache backed by the browsers IndexedDB storage
 */
export declare class IndexedDbOfflineCache implements OfflineCache {
    private readonly dbPromise;
    constructor();
    clear(): Promise<void>;
    get(url: string): Promise<CachedRdfDocument | undefined>;
    put(document: CachedRdfDocument): Promise<void>;
}