import VolumeCache from './VolumeCache';
import { DicomVolumeMetadata } from '../DicomVolumeLoader';
/**
 * Volume Cache backed by IndexedDB, which means the cache data will be
 * saved to the local browser storage permanently.
 * The created cache will be injected to `RsVolumeLoader`.
 */
export default class IndexedDbVolumeCache implements VolumeCache {
    private _db;
    constructor(dbName: string);
    getMetadata(key: string): Promise<DicomVolumeMetadata | undefined>;
    putMetadata(key: string, data: DicomVolumeMetadata): Promise<void>;
    getVolume(key: string): Promise<ArrayBuffer | undefined>;
    putVolume(key: string, data: ArrayBuffer): Promise<void>;
}