/********************************************************************************
 * 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 { EdgeRouterRegistry, GModelElement, GModelRoot } from '@eclipse-glsp/sprotty';
import { SelectableBoundsAware } from '../../../utils/gmodel-util';
import { ElementNavigator } from './element-navigator';
export declare class LeftToRightTopToBottomElementNavigator implements ElementNavigator {
    readonly edgeRouterRegistry?: EdgeRouterRegistry;
    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;
    protected getElements(root: Readonly<GModelRoot>, predicate: (element: GModelElement) => boolean): GModelElement[];
    protected getNextIndex(current: SelectableBoundsAware, elements: GModelElement[]): number;
    protected getPreviousIndex(current: SelectableBoundsAware, elements: GModelElement[]): number;
    protected compare(one: GModelElement, other: GModelElement): number;
}
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