import { ComponentHarness } from '@angular/cdk/testing';
export declare class CounterHarness extends ComponentHarness {
    static hostSelector: string;
    buttonEl: import("@angular/cdk/testing").AsyncFactoryFn<import("@angular/cdk/testing").TestElement>;
    value(): Promise<string>;
    increment(): Promise<void>;
    visitButton(): Promise<void>;
    isHostMarkedAs(state: 'touched' | 'dirty' | 'valid' | 'invalid'): Promise<boolean>;
}