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/**
* @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 { ComponentHarness, HarnessPredicate } from '@angular/cdk/testing';
import { TabNavBarHarnessFilters, TabLinkHarnessFilters } from './tab-harness-filters';
import { MatTabLinkHarness } from './tab-link-harness';
/** Harness for interacting with a standard mat-tab-nav-bar in tests. */
export declare class MatTabNavBarHarness extends ComponentHarness {
/** The selector for the host element of a `MatTabNavBar` instance. */
static hostSelector: string;
/**
* Gets a `HarnessPredicate` that can be used to search for a `MatTabNavBar` that meets
* certain criteria.
* @param options Options for filtering which tab nav bar instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options?: TabNavBarHarnessFilters): HarnessPredicate<MatTabNavBarHarness>;
/**
* Gets the list of links in the nav bar.
* @param filter Optionally filters which links are included.
*/
getLinks(filter?: TabLinkHarnessFilters): Promise<MatTabLinkHarness[]>;
/** Gets the active link in the nav bar. */
getActiveLink(): Promise<MatTabLinkHarness>;
/**
* Clicks a link inside the nav bar.
* @param filter An optional filter to apply to the child link. The first link matching the filter
* will be clicked.
*/
clickLink(filter?: TabLinkHarnessFilters): Promise<void>;
}