import { Readable } from 'stream';
import { PackageCache, PackageCacheOptions } from './PackageCache';
export declare class BrowserBasedPackageCache implements PackageCache {
    private databaseName;
    private log;
    private localResourceMap;
    constructor(databaseName: string, options?: PackageCacheOptions);
    initialize(dependencies: {
        name: string;
        version: string;
    }[]): Promise<void>;
    cachePackageTarball(name: string, version: string, data: Readable): Promise<string>;
    isPackageInCache(name: string, version: string): boolean;
    getPackagePath(name: string, version: string): string | undefined;
    getPackageJSONPath(name: string, version: string): string | undefined;
    getPotentialResourcePaths(name: string, version: string): string[];
    getResourceAtPath(resourcePath: string): any;
}