/********************************************************************************
 * Copyright (C) 2020 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
 ********************************************************************************/ export const PropertyDataService = Symbol ( 'PropertyDataService' ) ; /**
 * `PropertyDataService` should be implemented to provide property data for the given selection.
 */ export interface PropertyDataService { /**
     * A unique id for this provider.
     */ readonly id : string ; /**
     * A human-readable name for this provider.
     */ readonly label ? : string ; /**
     * Test whether this provider can provide property data for the given selection.
     * Return a nonzero number if this provider can provide; otherwise it cannot.
     * Never reject.
     *
     * A returned value indicating a priority of this provider.
     */ canHandleSelection ( selection ) : number ; /**
     * Provide property data for the given selection.
     * Resolve to a property view content widget.
     * Never reject if `canHandle` return a positive number; otherwise should reject.
     */ providePropertyData ( selection ) : Promise < Object | undefined > ; }