/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { InjectionToken } from '@angular/core';
/**
 * Token used to provide a `MatExpansionPanel` to `MatExpansionPanelContent`.
 * Used to avoid circular imports between `MatExpansionPanel` and `MatExpansionPanelContent`.
 */
export const MAT_EXPANSION_PANEL = new InjectionToken('MAT_EXPANSION_PANEL');
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