import { ReadTarball, UploadTarball } from '@verdaccio/streams';
import type { Callback, CallbackAction, Logger, Package, PackageTransformer, ReadPackageCallback, StorageUpdateCallback, StorageWriteCallback } from '@verdaccio/types';
import type { IPackageStorageManager } from './legacy-plugin-api';
export type DataHandler = {
    [key: string]: string;
};
declare class MemoryHandler implements IPackageStorageManager {
    private data;
    private name;
    private path;
    logger: Logger;
    constructor(packageName: string, data: DataHandler, logger: Logger);
    updatePackage(pkgFileName: string, updateHandler: StorageUpdateCallback, onWrite: StorageWriteCallback, transformPackage: PackageTransformer, onEnd: CallbackAction): void;
    deletePackage(pkgName: string, callback: Callback): void;
    removePackage(callback: CallbackAction): void;
    createPackage(name: string, value: Package, cb: CallbackAction): void;
    savePackage(name: string, value: Package, cb: CallbackAction): void;
    readPackage(name: string, cb: ReadPackageCallback): void;
    writeTarball(name: string): UploadTarball;
    readTarball(name: string): ReadTarball;
    private _getStorage;
}
export default MemoryHandler;