/**
 * Manages browserstack-local instance, making sure there is only one per
 * instance set up for all browser launchers.
 */
import { BrowserLauncher } from '@web/test-runner-core';
import browserstack from 'browserstack-local';
export declare const localId: string;
export declare function registerBrowserstackLocal(launcher: BrowserLauncher, password: string, options?: Partial<browserstack.Options>): Promise<void>;
export declare function unregisterBrowserstackLocal(launcher: BrowserLauncher): void;
//# sourceMappingURL=browserstackManager.d.ts.map