/*!
 * Copyright © 2005-2025 Hyland Software, Inc. and its affiliates. All rights reserved.
 *
 * Alfresco Example Content Application
 *
 * This file is part of the Alfresco Example Content Application.
 * If the software was purchased under a paid Alfresco license, the terms of
 * the paid license agreement will prevail. Otherwise, the software is
 * provided under the following open source license terms:
 *
 * The Alfresco Example Content Application is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The Alfresco Example Content Application is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * from Hyland Software. If not, see <http://www.gnu.org/licenses/>.
 */
import { UserPreferencesService } from '@alfresco/adf-core';
import { ContentApiService } from '@alfresco/aca-shared';
import * as i0 from "@angular/core";
interface AdjacentFiles {
    left: string;
    right: string;
}
export declare class ViewerService {
    private preferences;
    private contentApi;
    private _customNodesOrder;
    set customNodesOrder(customNodesOrder: string[]);
    constructor(preferences: UserPreferencesService, contentApi: ContentApiService);
    recentFileFilters: string[];
    /**
     * Retrieves nearest node information for the given node and folder.
     *
     * @param nodeId Unique identifier of the document node
     * @param folderId Unique identifier of the containing folder node.
     * @param source Data source name. Returns file ids for personal-files, libraries, favorites, shared and recent-files, otherwise returns empty.
     */
    getNearestNodes(nodeId: string, folderId: string, source: string): Promise<AdjacentFiles>;
    /**
     * Retrieves a list of node identifiers for the folder and data source.
     *
     * @param source Data source name. Returns file ids for personal-files, libraries, favorites, shared and recent-files, otherwise returns empty.
     * @param folderId Optional parameter containing folder node identifier for 'personal-files' and 'libraries' sources.
     */
    getFileIds(source: string, folderId?: string): Promise<string[]>;
    /**
     * Get the root field name from the property path.
     * Example: 'property1.some.child.property' => 'property1'
     *
     * @param path Property path
     */
    getRootField(path: string): string;
    private sort;
    private getFields;
    private getSortKeyDir;
    private getDefaults;
    private getCustomNodesOrderIfNoNodes;
    static ɵfac: i0.ɵɵFactoryDeclaration<ViewerService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ViewerService>;
}
export {};