import { ComponentHarness } from '@angular/cdk/testing';
/**
 * Extend your custom component harness from this class. This will allow
 * using testCustomControlComponentCommons test utility function that tests
 * for common custom component behavior.
 */
export declare abstract class CustomFormControlHarness<ValueType> extends ComponentHarness {
    abstract setValue(value: ValueType): Promise<void>;
    abstract touch(): Promise<void>;
    isMarkedAs(state: 'touched' | 'dirty' | 'valid' | 'invalid'): Promise<boolean>;
}