/********************************************************************************
 * Copyright (c) 2023 Business Informatics Group (TU Wien) and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/
import { IActionDispatcher, ViewerOptions } from '@eclipse-glsp/sprotty';
import { Tool } from '../../../base/tool-manager/tool';
export declare class FocusTrackerTool implements Tool {
    static ID: string;
    isEditTool: boolean;
    protected actionDispatcher: IActionDispatcher;
    protected readonly viewerOptions: ViewerOptions;
    protected readonly focusInFunction: (event: FocusEvent) => Promise<void>;
    protected readonly focusOutFunction: (event: FocusEvent) => Promise<void>;
    protected registered: boolean;
    get id(): string;
    enable(): void;
    disable(): void;
    protected focusOut(event: FocusEvent): Promise<void>;
    protected focusIn(event: FocusEvent): Promise<void>;
    protected handleTextNode(target: HTMLElement): string | undefined;
    protected handleAriaLabel(target: HTMLElement): string | undefined;
    protected showToast(message?: string): Promise<void>;
    protected parentWithAriaLabel(target: HTMLElement): HTMLElement | undefined;
}
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