/********************************************************************************
 * Copyright (c) 2023-2024 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 { Bounds, GModelElement, GModelRoot, IActionDispatcher } from '@eclipse-glsp/sprotty';
import { SelectableBoundsAware } from '../../../utils/gmodel-util';
import { ElementNavigator } from './element-navigator';
export declare class PositionNavigator implements ElementNavigator {
    protected readonly actionDispatcher: IActionDispatcher;
    previous(root: Readonly<GModelRoot>, current: SelectableBoundsAware, previousCurrent?: SelectableBoundsAware, predicate?: (element: GModelElement) => boolean): GModelElement | undefined;
    next(root: Readonly<GModelRoot>, current: SelectableBoundsAware, previousCurrent?: SelectableBoundsAware, predicate?: (element: GModelElement) => boolean): GModelElement | undefined;
    up(root: Readonly<GModelRoot>, current: SelectableBoundsAware, previousCurrent?: SelectableBoundsAware, predicate?: (element: GModelElement) => boolean): GModelElement | undefined;
    down(root: Readonly<GModelRoot>, current: SelectableBoundsAware, previousCurrent?: SelectableBoundsAware, predicate?: (element: GModelElement) => boolean): GModelElement | undefined;
    protected getNearestElement(root: Readonly<GModelRoot>, current: SelectableBoundsAware, filter: (e: SelectableBoundsAware) => boolean): GModelElement | undefined;
    protected sortByDistance(root: GModelRoot, current: SelectableBoundsAware, elements: SelectableBoundsAware[]): SelectableBoundsAware[];
    protected boundElements(root: Readonly<GModelRoot>): SelectableBoundsAware[];
    protected bounds(root: Readonly<GModelRoot>, element: SelectableBoundsAware): Bounds;
    protected boundsInViewport(element: GModelElement, bounds: Bounds, viewport: GModelRoot): Bounds;
}
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