import { IStorageValueChangeEvent, StorageScope, StorageTarget } from "../../platform/storage/common/storage.js";
import { IStorageService } from "../../platform/storage/common/storage.service.js";
import { DisposableStore } from "../../base/common/lifecycle.js";
import { Event } from "../../base/common/event.js";
export declare class Memento<T extends object> {
    private storageService;
    private static readonly applicationMementos;
    private static readonly profileMementos;
    private static readonly workspaceMementos;
    private static readonly COMMON_PREFIX;
    private readonly id;
    constructor(id: string, storageService: IStorageService);
    getMemento(scope: StorageScope, target: StorageTarget): Partial<T>;
    onDidChangeValue(scope: StorageScope, disposables: DisposableStore): Event<IStorageValueChangeEvent>;
    saveMemento(): void;
    reloadMemento(scope: StorageScope): void;
    static clear(scope: StorageScope): void;
}