@eclipse-glsp/graph/lib/gmodel-util.d.ts

The typescript implementation of the GLSP graphical model (GModel)

/********************************************************************************
 * Copyright (c) 2022-2023 STMicroelectronics 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 { GModelElement, GModelElementConstructor } from './gmodel-element';
export type Predicate<T> = (element: T) => boolean;
/**
 * Returns the first element matching the search predicate starting from the given
 * element and walking up the parent hierarchy.
 *
 * @param element   The element to start the search from.
 * @param searchPredicate The predicate which the element should match.
 * @returns The first matching element or `undefined`.
 */
export declare function findParent(element: GModelElement, searchPredicate: Predicate<GModelElement>): GModelElement | undefined;
/**
 * Returns the first parent element that is an instance of the given {@link GModelElementConstructor} starting from the given element.
 * (recursively walking up the parent hierarchy).
 *
 * @param element   The element to start the search from.
 * @param constructor The queried parent class ({@link GModelElementConstructor}).
 * @returns The first matching parent element or `undefined`.
 */
export declare function findParentByClass<G extends GModelElement>(element: GModelElement, constructor: GModelElementConstructor<G>): G | undefined;
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