import { RootLocator } from '@serenity-js/web';
import type * as protractor from 'protractor';
/**
 * Protractor-specific implementation of [`RootLocator`](https://serenity-js.org/api/web/class/RootLocator/).
 *
 * @group Models
 */
export declare class ProtractorRootLocator extends RootLocator<protractor.ElementFinder> {
    private readonly browser;
    constructor(browser: protractor.ProtractorBrowser);
    isPresent(): Promise<boolean>;
    nativeElement(): Promise<Pick<protractor.ElementFinder, 'element' | 'all'>>;
    switchToFrame(element: protractor.ElementFinder): Promise<void>;
    switchToParentFrame(): Promise<void>;
    switchToMainFrame(): Promise<void>;
}
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