import { ComponentHarness } from '@angular/cdk/testing';
/**
 * Harness for interacting with a back to top component in tests.
 */
export declare class SkyBackToTopHarness extends ComponentHarness {
    #private;
    /**
     * @internal
     */
    static hostSelector: string;
    /**
     * Clicks the back to top button.
     */
    clickBackToTop(): Promise<void>;
}