/********************************************************************************
 * Copyright (c) 2026 EclipseSource 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 { Action, GModelElement, GModelRoot, IActionDispatcher, IVNodePostprocessor, RequestExportAction } from '@eclipse-glsp/sprotty';
import { VNode } from 'snabbdom';
import { DiagramExporter } from './diagram-exporter';
/**
 * Postprocessor for the unified {@link RequestExportAction} flow. Captures the rendered model
 * root from the `decorate` pass, then on `postUpdate` looks up the matching
 * {@link DiagramExporter} by `format` and dispatches an {@link ExportResultAction} with the
 * produced bytes.
 */
export declare class DiagramExportPostprocessor implements IVNodePostprocessor {
    protected exporters: DiagramExporter[];
    protected actionDispatcher: IActionDispatcher;
    protected root: GModelRoot;
    decorate(vnode: VNode, element: GModelElement): VNode;
    postUpdate(cause?: Action): void;
    protected runExport(request: RequestExportAction): Promise<void>;
}
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