/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
import { IDisposable } from "../../../base/common/lifecycle.mjs";
import { URI } from "../../../base/common/uri.mjs";
import { IDialogService } from "../../dialogs/common/dialogs.mjs";
import { INotificationService } from "../../notification/common/notification.mjs";
import { IPastFutureElements, IUndoRedoElement, IUndoRedoService, ResourceEditStackSnapshot, UndoRedoGroup, UndoRedoSource, UriComparisonKeyComputer } from "./undoRedo.mjs";
export declare class UndoRedoService implements IUndoRedoService {
    private readonly _dialogService;
    private readonly _notificationService;
    readonly _serviceBrand: undefined;
    private readonly _editStacks;
    private readonly _uriComparisonKeyComputers;
    constructor(_dialogService: IDialogService, _notificationService: INotificationService);
    registerUriComparisonKeyComputer(scheme: string, uriComparisonKeyComputer: UriComparisonKeyComputer): IDisposable;
    getUriComparisonKey(resource: URI): string;
    private _print;
    pushElement(element: IUndoRedoElement, group?: UndoRedoGroup, source?: UndoRedoSource): void;
    private _pushElement;
    getLastElement(resource: URI): IUndoRedoElement | null;
    private _splitPastWorkspaceElement;
    private _splitFutureWorkspaceElement;
    removeElements(resource: URI | string): void;
    setElementsValidFlag(resource: URI, isValid: boolean, filter: (element: IUndoRedoElement) => boolean): void;
    hasElements(resource: URI): boolean;
    createSnapshot(resource: URI): ResourceEditStackSnapshot;
    restoreSnapshot(snapshot: ResourceEditStackSnapshot): void;
    getElements(resource: URI): IPastFutureElements;
    private _findClosestUndoElementWithSource;
    canUndo(resourceOrSource: URI | UndoRedoSource): boolean;
    private _onError;
    private _acquireLocks;
    private _safeInvokeWithLocks;
    private _invokeWorkspacePrepare;
    private _invokeResourcePrepare;
    private _getAffectedEditStacks;
    private _tryToSplitAndUndo;
    private _checkWorkspaceUndo;
    private _workspaceUndo;
    private _isPartOfUndoGroup;
    private _confirmAndExecuteWorkspaceUndo;
    private _resourceUndo;
    private _findClosestUndoElementInGroup;
    private _continueUndoInGroup;
    undo(resourceOrSource: URI | UndoRedoSource): Promise<void> | void;
    private _undo;
    private _confirmAndContinueUndo;
    private _findClosestRedoElementWithSource;
    canRedo(resourceOrSource: URI | UndoRedoSource): boolean;
    private _tryToSplitAndRedo;
    private _checkWorkspaceRedo;
    private _workspaceRedo;
    private _executeWorkspaceRedo;
    private _resourceRedo;
    private _findClosestRedoElementInGroup;
    private _continueRedoInGroup;
    redo(resourceOrSource: URI | UndoRedoSource | string): Promise<void> | void;
    private _redo;
}